Contract

One contract now: the quote with sizes, the last trade, the session's range and volume, open interest, IV, greeks and the stock's price.

• Parameter contract (string, required): OCC symbol, e.g. SPY271217C00750000 (O: prefix optional).
• contract (string): OCC symbol.
• symbol (string): Underlying.
• type (string): call or put.
• strike (number): Strike.
• expiry (string): Expiration, YYYY-MM-DD.
• dte (integer): Calendar days to expiry.
• bid, ask, mid (number): The quote; null without an offer.
• last (number): Last trade.
• bid_size, ask_size (integer): Contracts at the bid and ask.
• last_size (integer): Contracts in the last trade.
• last_trade_at (string): Time of the last trade, UTC.
• open, high, low, close (number): The session's prices.
• previous_close (number): The session before's close.
• change_pct (number): Change from previous_close, %.
• volume (integer): Contracts traded in the session.
• open_interest (integer): Open contracts as of the session before.
• iv (number): Implied volatility.
• delta, gamma, theta, vega (number): Greeks; theta per day, vega per vol point.
• underlying_price (number): The stock's price.
• break_even_price (number): Strike plus (call) or minus (put) the mid.
• updated_at (string): Time of the quote, UTC.
• GET /options/contracts/{contract}: Contract. One contract now: the quote with sizes, the last trade, the session's range and volume, open interest, IV, greeks and the stock's price.

Updated 2026-11-06 15:47 UTC