TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 17, 4:55 PM EST
Kalshi
This group forecasts the outcome of a soccer match between Sparta Rotterdam and Willem II Tilburg scheduled for October 17, 2026. Markets exist for Sparta Rotterdam winning, Willem II Tilburg winning, and the game ending in a draw. Resolution relies on official match statistics, with fallback sources specified.
This event is for the upcoming Eredivisie game, scheduled for Saturday, October 17, 2026 between Sparta Rotterdam and Willem II Tilburg.
The market resolves based on the match outcome after 90 minutes plus stoppage time, excluding extra time or penalties. A win for either team resolves the respective market to Yes; a tie resolves the Tie market to Yes. If the game is cancelled or rescheduled beyond 48 hours, it resolves to a fair price.
Prediction market odds, like those found on Polymarket and Kalshi, often reflect a more accurate forecast than traditional sportsbook odds. This is because prediction markets incentivize participants to reveal their true beliefs, while sportsbooks must account for profit margins and potential biases. The volume of $147,404 traded on this market demonstrates active participation and informed speculation. Sportsbooks may initially set odds based on public perception or team statistics, but prediction markets can quickly adjust as new information emerges and more traders weigh in. Therefore, comparing the odds can offer valuable insights into the perceived probability of different outcomes.
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. Prices on Polymarket and Kalshi can diverge due to several factors. Each platform attracts a different user base with varying levels of expertise and information. Trading fees and platform-specific rules can also influence price discovery. Additionally, the volume traded on each platform—currently $147,404—impacts liquidity and price stability. Polymarket currently favors Sparta Rotterdam winning at approximately 62%, while Kalshi leans toward a different outcome. These differences highlight the dynamic nature of prediction markets and the importance of considering multiple sources of information.