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Markets represent the type of bet available for an event. Each market has a numeric market_id used throughout the API. Markets are split into prematch and live/in-play categories.

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Prematch Markets

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Live / In-Play Markets

Live markets are the in-play equivalents of prematch markets. They use separate IDs but map back to their prematch counterparts.

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Sport × Market Availability

Not every market is available for every sport. Core markets (moneyline, spread, total) are broadly available, but player props and sport-specific markets vary. Use GET /api/v2/sports/{sportID}/markets/{date} to check which markets have active pricing on a given day.
The player prop market IDs listed above (29, 33, 35, 38, 39, etc.) are basketball-centric examples. Each sport has its own set of prop markets — for example, MLB has Player Strikeouts, Player Hits, and Player Home Runs. Use the market definitions endpoint or GET /api/v2/markets to discover all available markets and their IDs.

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Sport-Specific Notes

  • MLB: Includes pitcher-specific markets. Starting pitcher information affects line availability — lines may show 0.0001 (off the board) until pitchers are confirmed. See Sentinel Values.
  • Soccer (IDs 10-19 and 33): The soccer 3-way moneyline (home/draw/away) is served on Moneyline (1) as three participants — the draw is a participant of the market, not a separate market. Soccer endpoints default market_ids to 1,2,3,563.
  • NHL (ID 6): The 60-minute regulation-time line — a genuinely different bet from the full-game moneyline, since regulation excludes overtime and shootouts — is served as 3-Way Result (563), with live variant 1105. NHL endpoints default market_ids to 1,2,3,563. Alternate puck lines appear as alternate lines under Spread (2) rather than a separate market.
  • Tennis (IDs 38-39): Match markets use full-game periods (0 prematch, 7 live). Set-specific markets use tennis-only market IDs such as moneyline_first_set (1150), spread_first_set (1151), and totals_first_set (1152) with set periods such as 3, 4, 15, and 16.
  • UFC/MMA: Does not have spread markets. Moneyline and total rounds are the primary markets. Method-of-victory and round betting are available as prop markets.
  • CFL: Supports core markets (moneyline, spread, total) but does not currently support player props.
For the API endpoints that return market data, see the Markets API reference. For how markets fit into the overall data hierarchy, see the Data Model.

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Participant-Shaped vs. Line-Valued Markets

Market definitions include line_value_is_participant to tell you where the meaningful selection detail lives. When line_value_is_participant: true, the market is participant-shaped: the participant carries the selection, and the line value may be a placeholder or label. Moneylines and Yes/No-style result markets commonly work this way. When line_value_is_participant: false, the line value is meaningful and should be displayed when present. This includes spreads, totals, player stat thresholds, and special markets where the detail is a method, round, or other outcome qualifier. For example, UFC method-of-victory markets use the fighter as the participant and expose the method, such as decision or KO/TKO, as the line value.