Volume variance
4-hour window vs 90-day rolling average · trigger +100% —Columns · WIN VOL = current 4h volume · AVG 4H = 90d mean · Δ = % variance
Options signal
Rising option volume ∧ declining put/call ratio · daily vs 90d —Columns · OPT VOL = today total contracts · AVG VOL = 90d mean · PCR = put/call · Δ PCR = change vs avg (negative = bullish)