TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 6:13 PM EST
Kalshi
This set of markets focuses on predicting the margin of victory for either the Seattle Seahawks or the Arizona Cardinals in the first half of their upcoming football game. Each market corresponds to a specific point differential threshold that must be exceeded for the bet to succeed.
All markets resolve based solely on the point differential in the first half of the designated game between the Seattle Seahawks and Arizona Cardinals. For markets where the Seahawks are the designated winner, resolution occurs if Seattle leads by more than the specified point margin at the end of the first half. Conversely, for markets where the Cardinals are the designated winner, resolution occurs if Arizona leads by more than the specified margin. All point totals considered exclusively reflect scoring during the first half, with no consideration given to the final game outcome or any other scoring periods. Each market operates independently with distinct threshold values ranging from narrowly defined margins to larger point differentials.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from those offered by sportsbooks. Sportsbooks set initial lines to balance action, while this market is driven by individuals willing to put their capital behind their beliefs. This can lead to discrepancies, especially as new information emerges or public sentiment shifts. Often, prediction markets are considered more accurate forecasts than traditional polls or analysts’ predictions, as they incentivize truthful beliefs with financial stakes. It’s common to see this market adjust rapidly to news impacting team performance or player availability.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different point spreads. The price of each contract indicates the probability of that spread occurring. Traders are essentially betting on their forecast of the first half spread, and their collective actions determine the market price. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more buyers there are for a particular spread, the higher the price, and vice versa. This dynamic pricing mechanism allows the market to quickly incorporate new information and reflect the evolving expectations of participants.
This market resolves around Sep 21, 2026, with the outcome confirmed once the official first half spread of the Seahawks-Cardinals game is verifiable from credible public reporting. The resolution will be based on the official result declared by the relevant sporting authority. The final spread will be compared to the contracts traded on Kalshi to determine payouts to contract holders. The market will close prior to the end of the first half to allow for accurate resolution based on the official results.
Several factors could significantly impact this market. Any news regarding injuries to key players on either the Seahawks or the Cardinals would likely cause movement. Changes in weather forecasts, particularly if they suggest adverse conditions, could also influence the spread. Unexpected announcements about coaching strategies or team lineups could also shift trader sentiment. Finally, late-breaking news about player availability or performance, even on game day, has the potential to move this market considerably before it resolves.