Michael Burry, the investor famous for predicting the 2008 housing crash, has a new warning. He thinks President Donald Trump might have stumbled into a geopolitical situation that's incredibly dangerous for the world. The danger, according to Burry, isn't just about war—it's about what happens when that war collides with a president who really, really cares about the stock market.

"President Trump may have gotten into something that would be incredibly dangerous for the world if he shows again that a falling stock market is his kryptonite," Burry said in a social media post on Sunday night.

Let's unpack that. "Kryptonite" is the thing that weakens Superman. For Trump, Burry is suggesting, that weakness is a plunging stock market. The theory goes that if the market starts to tank, a market-obsessed president might feel pressured to take action—perhaps escalating a conflict or interfering in markets—to try and stop the slide. And the trigger for this whole scenario, right now, is oil.

The Oil Shock Is Real

Since U.S.–Israel strikes on Iran began on Feb. 28, the price of crude has done something pretty dramatic: it's jumped roughly 50%. Brent crude is trading around the low-$100s, with overnight spikes pushing it above $110. Why? Because disruptions in the Strait of Hormuz are choking off about a fifth of the global oil supply. That's a big deal.

West Texas Intermediate (WTI) crude has similarly vaulted above the $100 mark. This is reportedly its fastest ever move through that psychological level, as producers from Kuwait to the UAE trim output and traders start pricing in the idea of a protracted conflict in the Middle East.

This shockwave is blasting through everything related to energy. The United States Oil Fund (USO) is trading above $120, up more than 45% since the conflict began. The Energy Select Sector SPDR (XLE) has climbed from the mid‑40s in January to above $57.

Put simply, a textbook stagflation scare is brewing. You've got surging oil (and energy ETFs), which feeds into rising headline inflation risk. At the same time, you have tightening financial conditions as the market reacts. It's the kind of economic cocktail that makes investors very nervous.

The 'Kryptonite' Thesis in the Market

So where's the "kryptonite"—the falling stock market Burry is talking about? You can see it starting in the broad market ETFs.

The SPDR Dow Jones Industrial Average ETF (DIA) has slid more than 5% over the past month, as war headlines hit cyclical blue-chip companies. The SPDR S&P 500 ETF (SPY) has dropped nearly 3% over the same period.

The tech-heavy Invesco QQQ Trust (QQQ) has been even shakier, down about 1.24% over the past week. Iran-driven volatility and fears of higher discount rates (which hurt growth stock valuations) are taking a toll.

Put it all together: spiking oil prices, booming energy ETFs, and wobbling broad market indexes. This is exactly the kind of setup where Burry might see a problem. It's a scenario where economic pressure from a foreign conflict could translate directly into domestic political pressure via the stock market.

The implication is that Trump, famously attentive to market gyrations, might find himself in a bind. Does he stay the course in a complex geopolitical situation, or does the fear of a market downturn become an overwhelming factor in decision-making? Burry's warning suggests the latter could lead to dangerous, unpredictable outcomes. It's a reminder that in modern finance, the price of oil and the price of political stability are often linked in ways that are hard to untangle.