Returns strike price information for a specific prediction market event. Useful for crypto Up/Down contracts where the strike price becomes available at the start of the observation window (typically ~5 minutes before expiry for 5M contracts). For Up/Down contracts, the value field will be null until the strike is captured at availableAt time.
curl --request GET \
--url https://api.gemini.com/v1/prediction-markets/events/BTC05M2603271950/strike
Path Parameters
eventTickerstring·required
The event ticker symbol (e.g., "BTC05M2603271950")
Responses
Successful response
valuestring
The strike price value. Null for "reference" type strikes where the value is determined at availableAt time. For sports contracts, this represents the derived numeric strike value (e.g. spread margin, total line, or position/rank threshold).Example: 87500.00
typestring·enum
Strike or condition inequality type for contract threshold evaluation. - `reference`: Crypto Up/Down reference strike price captured at `availableAt` time. - `above`: Higher/Lower contract threshold. - `spread`: Point, run, or goal handicap spread line. - `over`: Total or prop threshold evaluated as strict greater than (`>`). - `over_or_equal`: Total or prop threshold evaluated as greater than or equal to (`>=`). - `under`: Total or prop threshold evaluated as strict less than (`<`). - `under_or_equal`: Position, rank, or total threshold evaluated as less than or equal to (`<=`).Enum values: referenceabovespreadoverover_or_equalunderunder_or_equalExample: spread
availableAtstring (date-time)
When the strike price becomes availableExample: 2026-03-27T19:45:00.000Z
