| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Houston wins the 1H by over 6.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Houston wins the 1H by over 9.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Houston wins the 1H by over 3.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Arizona wins the 1H by over 9.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Houston wins the 1H by over 15.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Arizona wins the 1H by over 15.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Arizona wins the 1H by over 6.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Arizona wins the 1H by over 3.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Arizona wins the 1H by over 12.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Houston wins the 1H by over 12.5 points | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market lets traders take positions on which side of the first-half point spread the Houston vs Arizona matchup will land; first-half markets matter because they isolate early-game dynamics that can differ from full-game outcomes.
First-half spread markets focus on the opening 20 minutes and are sensitive to starting lineups, coaching strategies, and tempo. For Houston vs Arizona specifically, historical matchups and typical styles of play shape expectations, but real-time news such as late lineup changes often drives short-term movement.
Market prices reflect the consensus view of traders about which side will cover the first-half spread and serve as a tradable price for that view; movements in price indicate new information or shifts in trader sentiment rather than immutable forecasts.
The closing time is listed as TBD; consult the KALSHI market page for the official close time and any pregame updates, as some markets close at or just before tip-off while others permit in-play trading.
The 10 outcomes correspond to discrete first-half spread results or ranges (different point-margin bins or specific cover scenarios); check the market outcome labels on KALSHI to see the precise definitions for each option.
Late starter changes typically move the market because starters determine early matchups and minutes; removal or addition of a key starter prompts traders to reprice outcomes that depend on those early minutes.
Key signals include official starting lineups, reported injuries, coach comments about rotations, historical first-half tendencies for each team, and any travel or scheduling notes that could impact early energy levels.
If trading continues into the game, in-play events (early runs, injuries, quick fouls) will be reflected in prices and can alter which outcome is most likely; if the market closes at tip-off, post-tip events will not affect it.