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CCI
Options chain, implied volatility, and unusual activity.Spot: $85.90
Option expirations activate with
FINNHUB_API_KEY (free).At-the-money chain
Calls and puts around the current spot price, with open interest, volume, implied volatility, and greeks (delta, gamma, theta, vega). Coming with full chain API integration.
Implied volatility
IV rank, IV percentile, and term structure. Useful for picking strategies (premium selling vs buying).
Unusual options activity
Large block trades and volume/open-interest ratios flagged as "unusual". Often a signal before news breaks.