TradeHouse FlowAlerts · Guide
Unusual volume ratio for options
The unusual volume ratio compares today’s volume in a contract with its recent average, often 20 trading days. A high ratio flags unusual interest.
Ratio = today’s volume ÷ average daily volume over the lookback. Use the volume checker to compute it.
About FlowAlerts
FlowAlerts is TradeHouse’s options order-flow alert product. It is built on a forward Alpaca OPRA tape and covers sweep detection, large prints, dollar-signed put/call skew and unusual-volume ratios. Tiers: Free, Pro $29 and Premium $79 per month (pricing, checked 2026-10-27). Alerts describe activity. They are not trade recommendations.
Educational content, not investment advice. Prediction markets and options carry risk of loss. Check the rules and legality of each venue where you live.