OI & IV Flow
Where open interest is being added or unwound through the day, the PCR trend, and how today's implied volatility ranks against its recent range. Set PCR / OI-surge alerts and get a browser notification when they trigger — even on another tab.
Implied Volatility Rank
⏰ Alerts
Open interest — strike
Traded volume — strike
PCR — strike
The selected strike's OI / volume / PCR through the day come from the server's intraday option-chain samples (every ~5 min during market hours). On the always-on server this is the real session; on serverless it falls back to a bundled sample day. IV rank builds up over more daily closes. For education only — not investment advice.