Real-time institutional options flow, classified through a 9-filter engine we publish in full: CBOE Rule 6.11 sweep detection, OPRA condition codes, NBBO-based aggression, Black-Scholes-Merton Greeks. No opaque score, see exactly why a signal qualified before you trade it. Built on the live Databento OPRA tape across 234 symbols, plus a GEX heatmap for dealer positioning across 195. Free 14-essay library included if you want to learn to read flow yourself.