Ainvest Option Flow Digest - October 22, 2025: $215M Institutional Tsunami Hits Financial Giants, AI Infrastructure, and Crypto ETFs! 🌊

$214.7 MILLION in earth-shaking options activity across 8 tickers - featuring Capital One's massive $4.7M Discover merger play, Carvana's bold 3-year LEAP ($25M gross), QQQ's stunning $38M call selling wave, and Vertiv's explosive $27M AI infrastructure bet and more...