TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 18, 4:41 PM EST
Kalshi
This event group covers a professional NWSL soccer match between NJ/NY Gotham FC and Seattle Reign FC scheduled for July 18, 2026. Three markets are offered across Polymarket and Kalshi, covering outcomes for Gotham win, draw, and Seattle Reign win, all evaluated at 90 minutes plus stoppage time (regular play only).
This event is for the upcoming NWSL game, scheduled for Saturday, July 18, 2026 between NJ/NY Gotham FC and Seattle Reign FC.
Resolution is based on the final result of the professional NWSL soccer match between Gotham and Seattle Reign after 90 minutes plus stoppage time, excluding extra time or penalties. Each outcome—Gotham win, Seattle Reign win, or tie—resolves to Yes if that result occurs. If the match is cancelled or rescheduled to more than two weeks away, the market resolves to a fair price in accordance with the rules.
Prediction markets and sportsbooks price events differently because they operate under distinct incentive structures. Sportsbooks manage risk and profit margins by adjusting lines based on betting volume and liability, while prediction markets rely on trader consensus to discover prices. Prediction market participants often include informed specialists and long-term bettors willing to hold positions, whereas sportsbooks cater to casual bettors and adjust for sharp action. Over time, prediction markets can reflect deeper information, but sportsbook odds may move faster on breaking news. Comparing both sources provides a fuller picture of how the event is being valued.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, liquidity pools, and fee structures, which naturally creates price variation. Polymarket and Kalshi may also have different market designs—such as order-book depth, minimum bet sizes, or promotional incentives—that influence how quickly prices converge. Geographic user bases, regulatory environments, and platform-specific trading tools can all contribute to temporary or sustained gaps. Additionally, traders on one venue may have access to information or analysis not yet reflected on the other, causing one market to lead price discovery. These differences typically narrow as informed traders arbitrage across platforms.
Key catalysts include team roster updates, injury announcements, recent form and head-to-head records, and any coaching or tactical changes. Weather conditions on match day, home-field advantage dynamics, and playoff implications can all shift trader sentiment. Media coverage and expert analysis often influence market prices as new information surfaces. Trading volume spikes typically occur closer to the event date as casual traders enter the market. Additionally, unexpected developments like lineup surprises or pre-match controversies can trigger sharp repricing. Monitoring team news and sports commentary will help you anticipate significant market moves.