TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 6:13 PM EST
Kalshi
The Seattle Seahawks face the Arizona Cardinals in an NFL matchup, and bettors can predict which team will lead at halftime. The outcome depends solely on the scoring during the first two quarters, ignoring any points from the second half.
This market determines the winner of the first half in the SEA Seahawks vs ARI Cardinals Pro Football game scheduled for Sep 20, 2026. If Arizona scores more points than Seattle in the first half, the 'Arizona wins 1st Half' market resolves to Yes. If Seattle scores more points than Arizona in the first half, the 'Seattle wins 1st Half' market resolves to Yes. If both teams score an equal number of points in the first half, the 'Tie 1st Half' market resolves to Yes, and all team-specific markets resolve to No. Only points scored during the first half count toward resolution.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven by individuals trading based on their own information and beliefs. If a significant number of traders believe a sportsbook is mispricing a team's chances, they can influence the price on Kalshi, potentially creating a difference between the two. It's common to see prediction markets move faster to incorporate new information.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing each possible outcome. The price of a contract reflects the probability of that outcome occurring, as perceived by the market participants. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy contracts for a particular team, the price increases, indicating a higher perceived probability of that team winning the first half. Conversely, selling contracts drives the price down. This dynamic pricing mechanism allows the market to quickly adjust to new information and reflect the collective intelligence of the traders.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the market will resolve based on which team is leading at the end of the first half of the Seahawks-Cardinals game. The official game results, as reported by a trusted sports data provider, will be used to determine the winning outcome. Traders will then be able to claim their winnings or fulfill their obligations based on their positions in this market.
Several factors could influence trading activity in this market. Any news regarding key player injuries for either the Seahawks or the Cardinals would likely cause significant movement. Changes in weather forecasts, particularly if they favor one team’s playing style, could also impact prices. Unexpected news about team morale or coaching decisions could also play a role. Finally, large trading volume from informed individuals or groups could shift the price, as others react to their actions in this market.