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Mike Green
Even the discussion around Tesla's inclusion in September of 2020 paled in comparison to the discussion that's going on now. This is recognized as something different and we've dropped any pretense that they are, quote unquote passive indices. My analysis is it is mostly the passive flow. As I've shown elsewhere, that number is now accumulating to impact the largest US stocks by about 18% a year. Over 50% of Google's profits in this last quarter alone were tied directly to the price appreciation of its investment in anthropic. People are putting a multiple on those gains. I mean, these are one time gains. You either have the cash to make the payment on your debt or you don't. And that's the real question. I think that's going to play through to look back on it if it actually plays out and we'll say, well, these signs were all there and nobody was paying attention.
Matt
You're watching Excess Returns, the channel that makes complex investing ideas simple enough to actually use for better questions lead to better decisions. I can't decide. It's like you get one part Michael Lewis, you get another part Michael Milken, and probably a few other Michaels in between. Yes, we do give a fig about this. Chief strategist at Simplify Asset Management, Mike Green. So good to see you.
Mike Green
It's great to see you, Matt. I love the intros every single time. We were all products of the 60s and 70s. Mike was the most common name for an extended period.
Matt
Well, you're serving the name proud. Let me just compliment you on that.
Mike Green
Can we talk about it is something to be proud of when your name is Mike Green and you can actually find yourself on Google. So there you go, there you go.
Matt
Pride points on Gmail address. If nothing else. Can we talk about how boring markets are right now? This is the least interesting beat to death topic.
Mike Green
Why I think, honestly, every professional investor I know is suffering through a period of deep depression because there is just nothing you can actually say about what is happening other than here we go again. And you know, you think you learn. My work obviously suggests there's a mechanical component to much of this. The behavior of the indices actually would seem to validate that at this point. And so, you know, we're just kind of all waiting for what happens next because this, this has not happened before. We actually don't know how this will play out. We can build models of it and we understand the bid that is coming for SpaceX from the passive indices, the demand that that creates. The Heisman from The S&P 500 was actually a remarkable event. I candidly was a little bit surprised. As I described in my substack, I was actually in the middle of an interview discussing SpaceX when the news came out and had no, you know, no, no quicker made the observation that I couldn't understand why S and P was doing it. I did understand why NASDAQ was doing it. I couldn't understand what S and P was doing when the reporter I was speaking to said, well, guess what, S and P just announced they're not going to include it. And I think this is actually a really critical thing to understand is the role that the index committees and the index construction committees actually play from a fiduciary standpoint, that's become the most interesting thing in markets right now is this basic discussion around what sort of role should we expect passive to play, how should we expect it to impact it? It's a radical change to the discussion I was having a decade ago or even five years ago, which is people refusing to admit that indices had any impact whatsoever. So, you know, we've come to an interesting conclusion that feels a little bit like a logical endpoint to some of it, but again, we just don't know. We haven't seen it before.
Matt
So. And I would say even five days ago when that S and P ruling came out, was another change. I feel like, correct me if I'm wrong, this is the first time we actually gave mainstream conversation to the role that passive was going to play in an individual issue. I don't remember this being this size of A everybody was talking about all at once.
Mike Green
I completely agree with you. Even the discussion around Tesla's inclusion in September of 2020 paled in comparison to the discussion that's going on now. This is recognized as something different and we've dropped any pretense that they are, quote, unquote, passive indices. It's become very clear that they play a very active role in the behavior of capital markets.
Matt
So that being said, you saw the S and P news, you actually got to read it afterwards. What do you think the impact is? How do we think about day one versus five versus 15 versus 16 months out and lockups and blah blah, blah. How do we think about this stuff?
Mike Green
Well, again, you know, because this has not happened, it is difficult to figure out exactly what the pattern is going to be. The indications that we have is the low float that is being offered combined with the buying from the NASDAQ should result. There's Justin should result in something that looks, he did magically appear that looks something like two times the underlying float in terms of demand. That's created expectations that the IPO will do relatively well. The impact that it will have on remaining securities in the NASDAQ 100 and the Russell 1000 et cetera, is certainly going to become the primary focus. One of the factors is actually playing through right now, I would argue, is that the locking up of capital and margin associated with the IPO itself is probably part of the cause that we're actually seeing for some of the recent market weakness. The concerns around that, the actions by the S and P. You know, I correctly articulated that this was actually a pretty big deal, that this suggests that financing may be in question for some of these AI companies, But, you know, we can't know that fact yet is kind of the easiest way to put it.
Matt
How much should we care or be thinking about what impact this has for Anthropic for the other super IPOs that we have in the pipe?
Mike Green
Well, I think it has impact across both the existing publicly traded companies, where companies like Google have recognized that this may be one of the best opportunities to equitize some of the debt obligations that they've entered into. That in turn places pressure on additional supply from existing publicly traded companies. Meta is now exploring an offer, for example. It's hard to imagine that these can't get done, but all of it plays through in an increase in supply. And that really was the focus of the piece that I wrote this weekend, which is for the first time, we're actually seeing a meaningful shift in Supply that is quite different than what we've seen up to this point. By and large, companies have been repurchasing shares and shrinking the quantity of equity that's available, even as the demand from 401ks and passive entities have shifted outward, the aggregate demand driving prices and valuations much higher. It's natural to conclude that if we see anywhere close to the quantity of supply that is proposed with the anthropic ipo, the Google issue, the meta issue, how far behind can an Amazon issue or even a Microsoft issue potentially be behind this? We simply don't know. Again. And so this is one of those points where we've come to a fork in a road. And so the answer is always take it.
Matt
Always take it. The road less traveled is just the one.
Mike Green
We're not sure which one that actually is though. And that's the problem. Right. We can look for signs of it. It does feel like large cap IPOs of this magnitude is a road less travele hold. But again, this, this is just one of these situations that, you know, it is a predictable outcome. It is the anticipated source of supply. Marco Salmon, I highlighted his work who Clears the Market when Passive Trades has highlighted that the vast majority of supply for passive supply for passive demand is coming from companies themselves. And now we're just seeing it on a scale we haven't yet seen.
Matt
Michael Green, the Robert Frost of finance. Join us at podcast today in Poetry. I want to talk about the white paper that basically supported your prior conclusions on passive. There's a chart here. I'm going to explain this chart to you and we'll hopefully get this up on the screen. It was the big cap weight concentration premium from 95 to 2025. Can you explain just what's going on in that chart, what the cap weight concentration premium even is?
Mike Green
Yeah, so this is actually some of the more recent stuff that I've done. And it's ironically has been facilitated by the ability to use LLMs to rapidly build models and test some of this stuff. The really critical insight of passive is to think of it like a fire hose. It's concentrating a flow of capital into a, you know, a crowded theater. The behavior of the participants in that crowded theater are kind of what you need to be thinking about. And what we've done is articulate. Using market impact work that was created by JP Bouchard all the way back in 2014 was the subject of a very interesting paper that he wrote in, I believe it was 2024, originally called Ponzi Funds. It was Highlighting the impact of flows of capital that becomes a self endogenous momentum when the capital flows are large enough that the that the funds themselves become a significant source of the liquidity. He focused on the Ark funds example and how that created its own endogenous liquidity by creating capital that then had to buy the securities that underpinned her holdings and driving securities higher. The same phenomenon plays through in the S and P. Once you aggregate together all of the S and P funds, they've now become a very large fraction of the total holdings. NASDAQ 100 is obviously an extension of that. Slightly more concentrated, more tech oriented and as we've discovered, more prone to change itself to facilitate new IPO listings. But what we're really trying to do with that paper is identify how we should expect passive to impact markets. And so if you think of that fire hose, it's basically sending the largest flow of liquidity towards the largest stocks. It has the largest impact on the largest stocks that have the highest volatility per brochure's framework. We see the evidence of that in this chart. Where historically the large cap high volume stocks have been significant underperformers. This is part of the work that Cliff Asness at AQR correctly identified in the betting against beta framework. Basically, individuals overpay for access to highly volatile securities because it's an embedded form of leverage that they typically can't obtain in their accounts. That means those securities have a tendency to become overvalued and therefore their forward expected return on a discounted cash flow framework is expected to be lower. In a passive world that's reversed because they've become more richly valued because they are more volatile. The impact of those flows that are allocated simply on the basis of market capitalization has a larger impact on those securities. And if that flow becomes the underlying dominant flow as it has, we would expect those securities to suddenly start outperforming the remaining portions of the index. And that's exactly what that chart is illustrating.
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Matt
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Matt
about the the chart that was Cap Weight Premium for largest quintile US stocks rolling 10 year monthly first off, why the 10 year period? And then clearly we have a pretty extreme reading going on right now that's happening.
Mike Green
The objective of using a rolling 10 year is honestly somewhat arbitrary. We're simply trying to capture a long enough period that it typically will capture a business cycle. That's the objective of using something like a rolling 10 year framework. If we were to use a rolling 5 or a rolling 12 year framework, it would result in very similar outcomes. We actually tested for that to see if the choice of period really mattered and it ultimately didn't.
Matt
What about what's been going on with these biggest companies and how we talk about them? We say we can explain what's going on because of margins, because of network effects, AI exposure. Do we pay attention to any of these arguments or do we just say it's mostly the passive flows?
Mike Green
My analysis is it is mostly the passive flows. I've shown elsewhere that number is now accumulating to impact the largest U.S. stocks by about 18% a year. That's more than many of them have actually been appreciating for the past several years, and suggests actually that it is really passive driving this phenomenon. I'd also note that the vast majority of these companies that now claim AI provenance really didn't have any AI components to them a couple of years ago. And so like, you know, are memory stocks all about AI? No, they're really about memory. And memory is used by the large scale LLMs. But interestingly enough, we are seeing the forces of capitalism at work, the forces of innovation. As the price of memory has begun to rise, we're seeing more and more LLMs that are capable of operating with less memory and becoming more efficient in their usage of memory. This is totally predictable. It's exactly like the wave division multiplexing and the amplification that occurred alongside the fiber optic build out that allowed us to radically increase the quantity of capacity that we were able to obtain in terms of data transmission relative to the same amount of CapEx, I think this is going to be no different. And so, you know, is it AI? I think that's a convenient narrative. I do think that the earnings growth that people are pointing to is becoming increasingly circular. When Nvidia uses its stock to create an investment in Core Weave, Core Weave then has to use that investment to purchase Nvidia GPUs. That creates a circular financing component to it that is unfortunately identical to what we saw with the vendor financing that existed in the dot com and the fiber optic build out. And candidly it's been a feature of every capital spending bubble in basically recorded history. My analysis on it suggests that Nvidia's profits are radically overstated on this. Over 50% of Google's profits in this last quarter alone were tied directly to the price appreciation of its investment in anthropic. People are putting a multiple hurting those gains. I mean these are one time gains. Maybe they will continue forever because it certainly does feel like this is never going to stop. But to put a multiple on one times gains and call that quote unquote earnings is a very surprising outcome to me for most market participants.
Podcast Host
Yeah, to that point I was listening to another podcast just earlier today and I think the statistic and I might be kind of off but to your point Mike, that In the last 12 months like 12% of the S&P's earnings growth was a result of markups on those investments in those companies from you know, the larger sort of mega cap tech stocks, which was pretty crazy.
Mike Green
Was it 12% of earnings growth or 12% of earnings? I think actually it's maybe it's 12 earnings.
Podcast Host
Yeah, yeah, exactly right. Which is just kind of nothing basically
Mike Green
all the earnings growth. And you know, many other people have pointed this out, right that you know, the X Mag 7 or XAI earnings growth in the S and P is basically non existent.
Podcast Host
Do you think there are any signs or are there any, I guess indications that the passive flows and I'm thinking like the as you know more and more baby boomers sort of enter retirement and start drawing off their 401k and their retirement accounts and that's where kind of most of the wealth is. Is there any like evidence going forward that you can point to that would. We'd see sort of a shrinking of the passive flows or a sort of a reversal of what we've seen in the last 15 years or so?
Mike Green
We actually have seen some shrinkage of the 401k flow, but we've actually seen the exact opposite in terms of the aggregate flows. So as performance for the S and P has gotten better and better, again in my analysis, supported by the growth of passive as well as the demographic characteristics of boomers now having to effectively hoard financial assets rather than try to replace income. As I've discussed in several recent pieces, that has increasingly morphed into what feels like a discretionary buy every dip type phenomenon. And we absolutely saw that play through in the April to give or take end of May flows in which flows into ETFs actually exploded to the highest levels we've ever seen. Do I think that was tied to retirement flows? Not really. So the evidence that we have is there's some weakening on the 401k component. But as you would expect, as you get towards the end of any bubble, you're seeing an increase in discretionary participation as more and more people basically just say, well, this only goes up, it's a license to print money. And I think that was a bigger impact. Combined with the systematic flows, the reversal of short positions, the CT8 trend following strategies which continue to attract additional capital as well as things like volume control funds stepping back in for the very simple reason that we didn't actually realize that much, that much volatility. It's one of the things we actually talked about at the firm that I'm an advisor on, Tier one. As we looked at the market in April with the extraordinary skew and the bid for protection that was in place, it was behaving like a market that had already crashed. And we're starting to see signs of that again, that people are starting to bid up fixed strike volatility. The Vix is in the mid-20s. Implied correlation is in the absolute toilet is more concern is on single stock components of it. These are all hallmarks of a market that is uncertain about what happens next and is somewhat desperately bidding for protection. If it plays out as it did in April, although I think this could, you know, the increase in supply could be more material this time. If it plays out like it did in April, the odds are that we get another drawdown and then we get pushed to even new, you know, even, even higher highs in the absence of anything material developing. The flip side of that is as we look at the economy, the increase in gasoline prices in particular is hitting the lower end of that key consumer. And we're seeing sentiment deteriorate rapidly. We're seeing savings being drawn down. And you know, my personal favorite was a piece that came out from the New York Fed that was highlighting the link between inflation or loss of purchasing power and consumer sentiment and came to the absolutely shocking conclusion that households that had found new jobs that paid more money and allowed them to maintain their purchasing power without additional effort weren't reporting the same degree of depressed consumer sentiment as households that had to obtain additional working hours or get a second job. Like this was to me just an astonishing statement that came out of the New York Fed that they were surprised that people who are forced to work harder and work more jobs in order to maintain their purchasing power are more depressed than people who have found new jobs that allow them to do the same with less effort. It's shocking the insights that we develop at the highest levels of economics research.
Matt
I was in an Uber and the late the Uber driver was a laid off, chewy, factory like warehouse worker.
Mike Green
Okay.
Matt
And so number one, they're not going in the employment data. They were already working two jobs to support a household in the area. And then at the same time, right before we get on them, my phone's buzzing. I'm getting the campaign ads for, you know, November. Can we count on your vote? And its policies. This, this local rep running to reduce utility grocery and fully fund public schools. Can we count on your support? I don't think it's just the Fed. I think there's a lot of confusion on if any policy can have any impact here.
Mike Green
Well, I think this is one of these weird things where we've gotten to the point that the theoretical or academic work is so deeply separated from the experience that most people have that is just leading to. I think there's a reason, as I've said many times, that gaslighting has become the phrase of this decade. People are looking at the headline reports and they're hearing everything's great. They're seeing markets move higher and they're looking at their own condition in life and saying, man, this is not happening for me. And that is leading to resentment and frustration and a desire for change in leadership because the most recent change didn't seem to work. And so we're experiencing all sorts of uncertainty about who our leadership is going to be, what their priorities are going to be, how economically rational those priorities are going to be, how intrusive policies will become. We genuinely don't know. And this is the sort of flailing that occurs when policymakers are increasingly disassociated from the reality of what people are individually experiencing. It's a modern version of let them eat cake.
Podcast Host
Yeah. So it's like unless you've been in the stock market, unless you've been in the largest stocks in the stock market,
Mike Green
do you feel good?
Podcast Host
Because everybody else kind of just feels like left behind, I guess.
Mike Green
Yeah, I think that's right. And I would also highlight that it creates all sorts of risks in terms of policy response if you face a Federal Reserve that is actually forced to hike interest rates, which I don't expect to be clear, but there is clear pressure to respond to this wave of inflation. And by inflation we largely mean an increase in gasoline prices. At this point we don't know what is going to happen. Again, I just have to emphasize we're at a bit of a turning point fork in the road and we don't know which direction we're going to go, but we're definitely going to go one of the two when the information that's coming through in the system is telling us the wrong information. Because that individual, as you pointed out, is not unimportant employed. They are working and therefore they should be quote unquote happy. Because you know, when you're employed you're supposed to be happy. My hunch is, is that that's not how people are feeling.
Podcast Host
What would you be paying attention to? I'm just thinking about. So to your point earlier, you have SpaceX coming public. OpenAI has filed for an IPO. Anthropic has, you know, Google just, I think completed a, you know, major equity raise here. Berkshire Hathaway put in 10 billion. I think of that. But what of the things that you're paying attention to? What would you be looking at that would give you some pause that the market has, it's kind of exhausted here and there's really too much supply and the market has started to question or investors have started to question the business prospects of some of these, you know, AI related companies. I guess like is there something like I'm thinking back to, and I don't know, maybe I'm wrong about this but I think Back to like 2000 and it was like it was a Barron's piece that kind of looked at how, how much Runway these non profitable companies had. I think it was like 18 months of, of cash or whatever it was and they listed a whole bunch and that to me was like the crack that really put us, you know, into that sort of market decline and bear market. Is there something specific Mike? Or a few things that you would really be looking at and paying attention to that would really give you pause and say okay, I think the market's Reacting negatively to all this stuff.
Mike Green
Well, I mean the definition of reacting negatively by definition is of course prices go down. So that that is something that we would be watching. We are watching the flows very carefully. I do emphasize that where we are position right now is very different than where we were in April. By and large, investors are fully allocated in their portfolios. Systematic strategies like CTAs are basically fully allocated to equities volume control funds because realized volatility has run well below implied volatility are nearly fully invested as well. And so the risk of a retrenchment, either a movement of foreign capital away or as we saw in early 2025, or simply a change in narrative that causes some of that discretionary and systematic capital to flow out because price movement deteriorates is really going to be the key test on the flip side of that equation, the change in narrative or the awareness of this. I actually would argue almost everybody is aware of it at this point. Certainly if you go on Twitter, there's no shortage of people running commentary that says here's how ridiculous the assumptions around air. For the most part, the reaction to that is scoreboard, bro. You know, and that I think will of course we'll look back on it if it actually plays out and we'll say, well, these signs were all there and nobody was paying attention. That's the definition of a bubble. On the flip side of the equation, people have been saying this for an extended period of time. People have been highlighting the overvaluation of the markets. There's actually a fascinating new piece that came out that reexamines the Cape ratio in the context of individual securities. So instead of looking at the aggregate, adding up all the earnings for the S&P 500, which is subject to its own reporting characteristics, and applying a Cape ratio to that, which has the problem of the ship of theseus. Is it the same combination of stocks that existed 10 years ago? Brand new paper that came out just looks at this and says, absolutely, it's an improvement. If we look at every stock versus its own history, we see improved ability to forecast future returns. The downside to that analysis is it suggests we're even more overvalued than the Cape ratio would have suggested. Congratulations, you've got a mechanism that tells you what the CAPE ratio was already telling you, which is that we're heavily, heavily overvalued in terms of where this ultimately plays out and how it shakes out. The reason credit markets are the markets that most people follow is because ultimately they have their own catalysts internally, you either have the cash to make the payment on your debt or you don't. And that's the real question. I think that's going to play through firms I'm watching very closely are entities like coreweave. Excuse me, where if you look at what's actually played out there with Magnetar, I would argue this is one of the most interesting and possibly fascinating uses of capital structure control I've ever seen. For those who don't know who Magnetar is, they're a Chicago based hedge fund. They were actually the single biggest winner from the big short trade. They were the ones that figured out they could match cash flows by going along the equity tranche of the CLO, the CDOs, which means the riskiest tranche of it that pays a relatively high coupon and going longer, a significant higher quantity of notional protection at lower cost. And so they basically built a levered exposure to the trade that was self financing, allowed them to stay in that position. I'd argue they've done the exact same thing here with coreweave. Right. They invested in Core Weave initially through a senior convertible secured security that paid them a very high interest rate, gave them protection in the form of initial claims. They then were able to convert that into equity and ride the slope of hope up in terms of the new innovation wave. And now they're extraordinarily well positioned with what appears to me at least to be the Fulcrum securities. So that they've sold off, give or take, 85% of their equity at this stage and they now hold a debt position that if coreweave actually does enter into distress, they could end up owning the entire equity tranche. It's a brilliant form of engineering that basically falls into the loan to own category with a very happy outcome in between. That turned Magnetar into by far the biggest hedge fund success in this cycle, with possible exception of this kid, Leo Ashbruner or whatever his name is. You know, I'm watching what they're doing very, very closely. I think those guys are probably the smartest players at the table.
Podcast Host
What do you think of just the long. Let's talk about the short term and the long term impact of AI. I know you think about this a lot. I mean, are you in the camp that this is going to be a major productivity booster and you know, sort of this, I don't know, revolutionary game changing technology for the economy or just how are you thinking about the technology in general, both short and long term?
Mike Green
Well, I think this is the interesting thing about it. So first, I think it's an extraordinary general purpose technology for the consumer. Basically offers them augmented IQ points in handling the uncertainties of life and answering the questions that they're exposed to. It's the type of technology that is near biological in its framework, not dissimilar to the corrective lenses that Matt is wearing, for example. Right. They allow Matt to participate at relatively low cost in tons of activities that he'd be unable to if glasses didn't exist. Like, you would pay a significant premium for them. But because it is available to you relatively cheaply, even the stylish frames that you wear, the reality is that you would never choose to go without it. And I think that's what consumers are by and large saying like, holy cow, I've got a tool that can help me plan my vacation. I've got a tool that can help me plan the financing of my child's education. I've got a tool that can help me evaluate the trade offs between owning a home and renting a home, what my investment strategies should be, how I should interact with my spouse, my boss, et cetera. As I pointed out in my latest piece, this is much more akin to the endlessly popular advice section of the newspaper where people would send in letters to Dear Abby, basically trying to establish, in modern parlance, am I the asshole in the interaction. Right. And you know, people have correctly figured out that this is an extraordinary resource. But the data is pretty straightforward. The people are using it two to one for those personal choices, those personal activities relative to the actual business activities. So it's revealing a latent demand for it. Vice columns that are personalized and don't require you to put your thoughts in front of, you know, your local community in an advice letter to the local Deer Abbey and run the risk that you're going to get in trouble for it or whatever. You know, I'm not surprised that the market for that is incredibly huge. On the actual productivity side of the equation, though, I think we've actually completely misunderstood what the demand is telling us. That it's largely about advice that people by and large would like to have, but not necessarily willing to pay a huge premium for and the ability of businesses to reorganize themselves in a meaningful way to take advantage of the automation of tasks, not the replacement of human beings. I emphasized in my last piece that there's a huge difference between replacing humans who ultimately can't be replaced in the process because they are the end source of demand. We don't build tools and food and all sorts of stuff simply for, you know, the capital owners. We also are doing it for the workers who are expressing their point of view through their sacrifice of leisure in the form of time that they spend working and also in how they choose to spend that money. There will be incredible productivity once we get through the process of redesigning our systems around AI, much like there was incredible productivity that emerged once we stopped treating factories as basically places to gather together a bunch of fairly skilled individuals to, you know, sew suits together or to do the exact same thing that they were doing before. And instead we created the assembly line and we actually suddenly said, all right, we want people to behave very differently given this new technology. My hunch is, is that we will see the productivity gains once that process starts. And again, it's one of the reasons why I draw attention to things like the Magnetar trade, where they were able to participate in the initial euphoria. Now they're in senior debt securities so that they're well positioned as a control participant during the period of distress and disillusionment that is likely to follow. And ultimately then we'll start to see once it's being offered at much lower cost because the capital structures have changed, debt has been defaulted upon. Data centers are trading at pennies on the dollar, much like commercial real estate is trading today at pennies on the dollar from 2016. At that point, we can create whole new business models around it, but we're just not there yet.
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Matt
Do you think we get there all at once or do you think there's a way to get there really slowly?
Mike Green
I think there's a combination of factors that play through that. And as the models advance themselves, my hunch is that ultimately they will play a role in that process. And we're starting to see signs of that. Why wouldn't I use AI for rethinking some of my business models or at minimum building simulations of how my business would be changed. Again, that's where I think my use of AI is probably very different than most people's use of AI. Like almost all of my work is focused on building agentic models that allow me to test things and to play around with how would I build an index or how could I maximize the impact of various effects. My hunch is, is that we're going to see businesses redesign themselves in the same way. What would happen if we did this? Let's run a simulation, let's plan this out. And the other hunch that I have a very strong leaning towards is that there's a very small window of opportunity before the general public data effectively becomes truly commoditized. I think we're already seeing an element of that. We all have the underlying data sets. And this is particularly true for financial markets where it's really interesting, where I'm seeing the most progress made is people who have domain specific knowledge, they know their industry really well and they're able to look at the business processes and say, well, why are we doing it that way? Why don't we just do it in a completely different way? What is the binding constraint that exists in a world in which it's not how many financial analysts I can hire, instead it's how many customers can I get quotes out to quickly? How does that change my business model? And I think we're just like, we're just starting that. But I do think it will ultimately be quite profound. And the last point that I would make is like many technologies, I think we have now crossed the threshold at which people are beginning to see the possibilities emerge. That's part of the euphoria. But the simple reality is the execution is always quite a bit more difficult.
Matt
It seems like there's no company in the Fortune 500 or draw whatever you line of big company. There's no company that's not a big slow moving ship when it comes to the adoption of this. No company that's more than a few years old can have an easy time or easy go at just rewriting their entire playbook. And that, that has to take time.
Mike Green
Right? That's my expectation. I mean it, you know, and then the question becomes how large is the moat that exists around that business that gives them the luxury of taking time? Ironically, if you run this through in an economic modeling, in some ways we should be seeing some of the behavior that we're seeing. Again, this is one of the challenges with Narratives, Right. If the only seven companies, they really control the tools and control the ability to move quickly, or you know, anthropic and OpenAI and Google, et cetera, then yeah, I can understand the business case or the articulation as SpaceX pointed out, that their TAM is the universe of life and space. Basically not a bad target market, shall we say, almost as big as bitcoins. The, you know, the, but the, the simple reality is it takes a long time for that to be realized and it's highly unlikely that all of the exceptionally wealthy individuals working for SpaceX are going to do all of that at SpaceX instead of do what has happened in every round of IPOs, liquefy some of their wealth and then go do it where they own more of the end product. So competition will emerge and you know, ultimately if you play this through, it should be resulting in lower valuations and lower expectations of terminal values. In most situations that may not be the case. And again, it boils down to what's the policy reaction? You're already seeing many of the AI companies soft sell the idea that we're going to need instead of universal basic income, universal basic, basic access to AI, that the government should quote, unquote, soft bail them out in this process. Who knows, right? I don't get to make those policy choice decisions and I'm not entirely sure I trust those who are, who are in those roles right now.
Matt
That's not a Mike Green for President pitch.
Mike Green
No, absolutely not.
Matt
I'm thinking about it from the context of this round of the Elon's and the PayPal mafias. We forget that the success of the big company offering and whatever else begets the next generation of these people. Somewhere in SpaceX is the person who might very well be the person who gets the payout and founds the company that knocks this valuation down a peg or 99 turns on revenue 100% and
Mike Green
that would be more synonymous with history than anything else. But again, the dynamics of passive, where that fire hose is directed at the largest companies makes the cost of capital very cheap for an Apple, a Microsoft meta, Google, et cetera. It's very hard for that private individual to compete. Unless of course, the business opportunity is enormous and then nobody's really thinking about is my cost of financing 5% or 10% or 15% or 35%. They're really thinking about that TAM. That is again, you know, the universe of addressable space and time.
Podcast Host
Mike, before we let you go, I think we want to just talk a little bit about the overall economy. I mean, you kind of sprinkled in some of your thoughts here, but just generally speaking, I mean, you know, your thoughts on growth inflation. I think you mentioned you don't expect the Fed to raise rates, if I heard you correctly. So just, you know, where do you think we are here economically in the cycle and what's your kind of view as you look out?
Mike Green
Well, I think today's inflation report, I mean, just to put a timestamp on it, it's June 10th. We just got inflation core expect core inflation actually came in below expectations at a level that is somewhat synonymous with the Fed's target headline. CPI is obviously inflated by gasoline prices, although again, in one of these weird twists of fade, gasoline is down $0.40 basically, since the inflation print would have registered. So I think that the underlying characteristic of we're conducting a war, we've had unbelievable shutdown in energy flows around the world and it's driven gasoline prices to very high levels. And we've gotten 4% inflation. We forget that we had 6% inflation in 2008 when something similar happened suggests that the underlying characteristics of the economy are one that is under more stress than people would suggest. And we actually are seeing this in the K shaped economy where aggregate savings have fallen to the lowest levels in history, less than half of traditional levels. We forget that that is an aggregated number. It means that half the economy is doing really well and the other half is, as the New York Fed found out, having to work a lot more hours and a lot harder to basically tread water. Those individuals that are in the bottom half, they're being forced to tread water, are cutting back on their purchases of services. They're reducing their streaming services, they're reducing their utilization of Uber, they're reducing their utilization of all sorts of things that have become standard features of their lives. And that makes them understandably unhappy. Nobody wants to get rid of all the wonderful stuff that's available on Netflix or Amazon prime or whatever. But if it's a choice between feeding your kid and feeding your entertainment, most of us would choose to feed our kid. And that's the unfortunate reality I think, that more and more households are facing is they simply can't afford the basket of goods and services that allows them to live independently as successful, functioning adults in today's society. And if they can't afford to do that, they ultimately will make changes. They will move back in with their parents. That will reduce demand for housing, it will reduce the quantity of food that is consumed because waste falls. It will reduce the quantity of meals that are consumed in restaurants. Because when there are four or five people in a household, it becomes far more economic to cook at home than it does if you have one person in the household. You know, these are all factors that will ultimately play through the longer this goes on. And I think, unfortunately, we're getting to the point where many of those choices are going to have to be made sometime in the next three to six months.
Matt
Mike, you've got a book coming out. Tell us what the status is and where can we buy.
Mike Green
Oh, boy. Well, the status is, unfortunately, that I submitted a final draft. A final draft always turns into let's edit these components. We're still targeting release in October. I'm going to be honest with the audience is probably going to slip. And it is a direct byproduct of the fact that I can't seem to find the ability to sit in my own seat in front of my computer and my multiple screens to get the work done that needs to get done. So we're getting very close. It is now listed on Amazon. It does have the October date for its release. It's called the Greatest Story Ever Sold. It is about the role of retirement and passive investing in changing market structure. And I'm hopeful that I'll have it out as soon as I possibly can. But the target date is October and I'm just being candid that that's probably going to slip because among other things, I'm sitting in Hawaii doing advisory work for the US Military right now. So it's, you know, there's no shortage of things that I'm working on.
Matt
Glad there's no shortage of things you're working on. I'm glad that hopefully the book can come out. We can turn it over to those new politicians who are texting us now for their support.
Mike Green
That would be nice.
Podcast Host
I just want to hear about Mike's name work here. But maybe that's top secret. But maybe for next time.
Mike Green
Yeah, no, unfortunately, you guess. You guessed right.
Podcast Host
So we'll have to stick to passive flows in the economy, in the markets. Thank you very much, Mike. We really appreciate it.
Mike Green
Thank you very much. Take care.
Podcast Host
Thank you for tuning in to this episode. If you found this discussion interesting and valuable, please subscribe on your favorite audio platform or on YouTube. You can also follow all the the podcast in the Excess Returns network@excessreturnspod.com. if you have any feedback or questions, you can contact us@excess returnspodmail.com no information
Mike Green
on this podcast should be construed as investment advice. Securities discussed in the podcast may be holdings of the firms of the hosts.
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Date: June 11, 2026
Host(s): Jack Forehand, Justin Carbonneau, Matt Zeigler
Guest: Mike Green, Chief Strategist at Simplify Asset Management
This Excess Returns episode features Mike Green in a candid exploration of the unprecedented impact of passive investment flows on capital markets, especially in the context of the imminent, record-breaking IPOs of companies like SpaceX and Anthropic. The conversation delves into how index construction, passive strategies, and supply/demand dynamics are reshaping markets, prompting both opportunities and new risks. The group tackles the feedback loops of passive flows, growing market concentration, AI narratives, economic distortions, and what signals to watch as the market faces a potential turning point.
“We've dropped any pretense that they are, quote unquote, passive indices. It's become very clear that they play a very active role in the behavior of capital markets.” — Mike Green (05:01)
“It's concentrating a flow of capital into a...crowded theater. The behavior of participants in that crowded theater are what you need to be thinking about.” (09:20)
“I've shown elsewhere that number is now accumulating to impact the largest U.S. stocks by about 18% a year. That's more than many of them have actually been appreciating...it is really passive driving this phenomenon.” (14:11)
“Over 50% of Google's profits in this last quarter alone were tied directly to the price appreciation of its investment in anthropic. People are putting a multiple on those gains...these are one time gains.” (01:00, 14:11)
“People are looking at the headline reports and they're hearing everything's great. They're seeing markets move higher and they're looking at their own condition in life and saying, man, this is not happening for me.” (22:07)
“We’ll look back on it if it actually plays out and we'll say, well, these signs were all there and nobody was paying attention. That's the definition of a bubble.” (25:55)
“It's the type of technology that is near biological in its framework, not dissimilar to the corrective lenses that Matt is wearing, for example. ...you would never choose to go without it. And I think that's what consumers are by and large saying: ‘holy cow, I've got a tool...’” (31:11)
On Passive Flows Replacing Fundamentals:
“I've shown elsewhere that number is now accumulating to impact the largest U.S. stocks by about 18% a year. That's more than many of them have actually been appreciating for the past several years...suggests actually that it is really passive driving this phenomenon.” — Mike Green (14:11)
On Circular AI Earnings Surge:
“Over 50% of Google's profits in this last quarter alone were tied directly to the price appreciation of its investment in anthropic. People are putting a multiple on those gains...these are one time gains. You either have the cash to make the payment on your debt or you don't. And that's the real question.” — Mike Green (01:00, 14:11)
On Bubble Warnings Repeatedly Ignored:
“We’ll look back on it if it actually plays out and we'll say, well, these signs were all there and nobody was paying attention. That's the definition of a bubble.” — Mike Green (25:55)
On the Frustration of Average Households:
“People are looking at the headline reports and they're hearing everything's great. They're seeing markets move higher and they're looking at their own condition in life and saying, man, this is not happening for me...it's a modern version of let them eat cake.” — Mike Green (22:07)
On the Limits of Current AI Productivity:
“The ability of businesses to reorganize themselves in a meaningful way to take advantage of the automation of tasks, not the replacement of human beings...we’ll see the productivity gains once that process starts.” — Mike Green (31:11)
Mike Green exposes how passive investment flows underlie today’s unprecedented market dynamics, amplifying large-cap gains and fueling a feedback loop—a process now at a pivotal moment as historic AI IPOs hit public markets. He highlights the risks of ignoring supply/demand shifts, the dangers of circular accounting, the illusion of AI-driven fundamentals, and a growing disconnect between economic policy, market narrative, and public reality. The episode concludes by urging investors to look past simple narratives, watch for signs of exhaustion, and respect the lessons of cycles past: sometimes the signs really were all there.
For further reading, listeners are encouraged to check out Mike Green’s upcoming book, "The Greatest Story Ever Sold," and follow his ongoing research into passive investing and market structure.