The AI derating that started Friday came back for another round today. Nasdaq down 2.2%, Semiconductor index down nearly 6%, Broadcom off more than 4%, Nvidia almost 3%. The S&P tech sector hit its lowest level in over a month following a 4.4% slide. And then, mid-session, Trump announced that Iran had shot down a U.S. Army Apache helicopter and vowed that "the United States must respond." For about 90 minutes, it looked like March all over again. Except crude oil, the actual leading indicator for war risk, closed down roughly 3%. The fundamentals said something else entirely. Net-net, today's selloff was still an AI/valuation unwind and higher-for-longer Fed anxiety following Friday's hot jobs report. In my view, the geopolitical tape added noise; it didn't change the thesis. But your margin system doesn't care about the thesis; it saw VIX spike 15% to the 23 range, watched your short puts expand, tracked your beta-weighted delta drifting long across the portfolio, and started projecting losses. This is the moment where bad decisions compound. Here's how we handle it. 1. The Zero-Cost Trump Crash Hedge (9 DTE) This is a put back ratio built specifically for today's risk window; an active geopolitical backdrop, CPI tomorrow, a record-size SpaceX IPO later this week, and a still-crowded AI/mega-cap positioning environment. Entering this position pays you $58. In a long-delta portfolio, it also releases buying power rather than consuming it, reducing your overall risk profile in the eyes of the margin system. The standard put ratio (buy one, sell two lower) leaves you net short below the lower strike. A real crash destroys it. This is the put back ratio: sell one higher, buy two lower. The worse things get below 737, the more this position pays, at an accelerating rate. Completely different animal. What the P&L diagram won't show you: the two long 721 puts carry significant volga and vanna. In a real crash, where volatility spikes and SPY falls simultaneously, vega itself accelerates and delta compounds faster than gamma alone suggests. All five Greeks move in your favor at once. At 9 DTE, gamma is the dominant Greek. If SPY breaks through 721, this position moves close to dollar-for-dollar with the market immediately.