Open interest

Call and put open interest by strike near spot, for all expiries or one.

• Parameter symbol (string, required): Ticker symbol, e.g. AAPL.
• Parameter expiry (string): One expiry, YYYY-MM-DD (from expiries). Default all.
• spot (number): Price.
• expiries (array): Every expiry.
• expiry (string): As asked (empty for all).
• pain (number): Max pain of that expiry.
• strikes (array): [strike, call OI, put OI].
• GET /symbols/{symbol}/options/open-interest: Open interest. Call and put open interest by strike near spot, for all expiries or one.

Updated 2026-11-06 11:42 UTC