Ainvest Option Flow Digest - 2026-04-01: $162M Institutional Hedging Frenzy — Oil, Tariffs, and a $99M SPY Put Spread on the Eve of Liberation Day

Institutions deployed $162M across 11 tickers — SPY $99M tail-risk hedge, MELI $20M fence trade, USO $4.4M oil crash bet expiring in 9 days, and NKE $8.6M short call on a 9-year low. Full breakdown inside.