U.S. stock futures sink as Trump and Iran trade threats against civilian infrastructure

The S&P 500 is already in a technically established downtrend, falling from ~6946 in late February 2026 to 6506 currently — a 6.4% drawdown in roughly 3-4 weeks. The US-Iran escalation narrative adds a significant geopolitical risk premium on top of already deteriorating momentum. Monthly volatility of only 1.22% historically suggests the index is prone to volatility expansion during shock events, meaning the headline risk is disproportionately large relative to recent realized vol. Iran-related oil supply shock fears could compound equity weakness via stagflationary channels — rising energy costs compressing margins while the Fed has limited room to ease into a hot CPI print. The pattern of Sunday futures selling followed by Monday gap-downs has historically resolved with partial intraweek recovery unless actual military strikes materialize, introducing asymmetric tail risk. ⚡ DEEP SONNET: Short entry or hedge initiation on any intraweek bounce toward 6580-6620 resistance zone, ideally during Tuesday-Wednesday session if initial Monday gap partially fills. Avoid chasing Sunday futures lows directly. | TP:4.5% SL:2.2% | 5-12 trading days — geopolitical premium either materializes into confirmed escalation (extends move) or dissipates within 2 weeks | Risk:HIGH — Three compounding risks: (1) geopolitical escalation with no clear de-escalation timeline, (2) existing technical downtrend with broken short-term support, (3) potential oil supply shock feeding into sticky inflation. Counter-risk: geopolitical headlines frequently overshoot on Monday open before partial recovery; actual military action is not yet confirmed. | Sizing:CONSERVATIVE