Ainvest Option Flow Digest - 2026-03-31: $172M Institutional Flood Before Liberation Day — Tariff Hedging, Earnings Exits, and a 2028 Mega Bet

Institutions deployed $172M across 8 tickers today — SPY $24.5M tariff hedge, MU $77.4M post-earnings exit, and a $7.3M bet QQQ hits $700 by 2028. Full breakdown with gamma levels, implied moves, and trading strategies inside.