TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 12, 4:00 PM EST
Polymarket
In the upcoming NWSL game between Seattle Reign FC and Portland Thorns FC, scheduled for July 12, 2026 at 4:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
In the upcoming NWSL game between Seattle Reign FC and Portland Thorns FC, scheduled for July 12, 2026 at 4:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and operate under different constraints. Sportsbooks set odds to balance liability and extract a margin, while prediction markets are driven purely by trader supply and demand. This market's odds reflect the aggregated belief of thousands of independent traders with real money at stake, which can sometimes price outcomes more efficiently than traditional bookmakers. However, sportsbooks may move faster on breaking news like late-game injuries, whereas prediction markets can take time to incorporate new information. Comparing the two can reveal valuable arbitrage opportunities or highlight where consensus differs most sharply.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each halftime outcome is represented as a separate contract, and the price of each reflects the probability traders assign to that result occurring. When you buy a contract, you are betting that outcome will happen; when you sell, you are betting against it. The market price converges toward the true probability as more traders participate and information flows in. Liquidity depth and trading volume directly influence how quickly prices adjust and how tight the bid-ask spread remains.
This market resolves around Jul 12, 2026, once the halftime whistle has sounded and the official halftime result is confirmed. The outcome is determined by which team is leading on the scoreboard at that moment, or whether the teams are tied. Resolution is verified against credible public sources, including official league records and broadcast data. Traders should monitor the match in real time to stay informed of any developments that might affect the halftime score. Once the outcome is locked in and confirmed, the market settles and payouts are distributed to winning positions.
Several catalysts can shift odds before halftime. Team news—such as confirmed lineups, late injuries, or tactical changes—often triggers sharp repricing as traders adjust their models. Weather conditions at kickoff, including wind and rain, can favor one team's style of play and move the market accordingly. Early match action, including goals, near-misses, and red cards, will drive the most dramatic swings as traders react to live information. Betting syndicates and sharp money entering the market can also move prices quickly if they identify value. Monitor team social media, official announcements, and live commentary for real-time signals that could influence the halftime outcome.