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v56

latestOpenAPI 3.0.0raw.githubusercontent.com2026-08-03113163377.5 KB
Markets

Settlement price for a single market

Returns the settlement price and the underlying spot TWAP used to compute it. The market must have already settled; otherwise returns 404.

get/markets/settlement-price

Query parameters

marketstring required

Market symbol, e.g. BTC-USD-15SEP25-55000-C

Response

OK

expiry_atinteger

Scheduled expiry (unix ms); settlement is computed at or shortly after this time

settlement_pricestring

Option payoff for option markets; spot TWAP for perp/future

symbolstring
underlying_twap_pricestring

30-min spot TWAP at expiry

Example response

{
  "expiry_at": 1758326400000,
  "settlement_price": "5000",
  "symbol": "BTC-USD-15SEP25-55000-C",
  "underlying_twap_price": "60000"
}