TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 25, 10:03 PM EST
Kalshi
This market asks whether Seattle will win the first half of their game against Kansas City by more than 2.5 points. Currently, the probability of Seattle winning the first half by over 2.5 points on Kalshi is 99.0%. The market will resolve based on the outcome of the first half of the Kansas City vs Seattle Pro Football game originally scheduled for Oct 25, 2026, as reported by the game’s official results. Keep an eye on the game itself, as the market will resolve following the completion of the first half on October 25, 2026.
These markets resolve based on the point differential between Kansas City and Seattle exclusively during the first half of their game scheduled for October 25, 2026. Each market specifies a different threshold for the winning team's margin of victory, ranging from over 2.5 points to over 10.5 points, with separate markets for both teams. Only points scored in the first half count toward resolution, and all markets operate independently—meaning each threshold must be evaluated separately against the actual half-time score. The governing league's official scoring and game records determine outcomes, and Kalshi explicitly disclaims any formal affiliation with the league or ownership of associated trademarks.
Typically, prediction market odds reflect the wisdom of the crowd, often aligning closely with sportsbook odds but sometimes diverging based on unique information or perspectives held by traders. Sportsbooks set lines based on their own modeling and risk management, while this market allows individuals to express their beliefs directly, potentially leading to differences. It’s common to see prediction markets react more quickly to news or developments that could impact the game, as information is rapidly incorporated into the price. Examining these differences can be insightful for both bettors and analysts.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different point spreads for the first half. The price of each contract reflects the probability of that spread occurring, as determined by supply and demand. Traders are incentivized to accurately predict the outcome, as profitable trades are rewarded. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price movements are driven by the collective actions of all participants, creating a dynamic and responsive indicator of expectations for the game’s first half.
This market resolves around Oct 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the actual point spread achieved in the first half of the Kansas City vs Seattle game will be compared to the contract spreads offered on Kalshi. The contracts corresponding to the correct spread will pay out, while others will expire worthless. The resolution will be based on official game statistics, ensuring an objective and transparent determination of the winning contracts.
Several factors could influence the price of this market before the game concludes. Any news regarding key player injuries for either the Kansas City or Seattle teams would likely cause significant movement. Changes in weather forecasts, particularly if they are expected to impact the game’s style, could also shift expectations. Furthermore, late-breaking news about coaching strategies or team morale could influence trader sentiment. Even significant betting patterns in traditional sportsbooks could be reflected in this market, as information flows between different wagering venues.