TOTAL VOLUME:
$150.1b
24H VOL:
$142,857,652
24H TRANSACTIONS:
2,859,322,643
OPEN INTEREST:
$1,733,278,615
483,990
Markets across
35,811
events
MATCHED EVENTS:
3,349
PLATFORM COVERAGE:
5
Polymarket:
38%
VS.
Kalshi:
62%
$
This market tracks the probability of Kevin McGonigle winning the 2026 American League Rookie of the Year award, as determined by the Baseball Writers' Association of America. Currently, the aggregated probability across Kalshi and Polymarket gives McGonigle a 91.0% chance of winning, while A has an 8.5% chance. This prediction market consolidates data from multiple sources, and will resolve based on the official BBWAA award announcement. Keep an eye on the official award announcement scheduled for early January 2027, as that will determine the outcome of this market.
This market will resolve to the player who wins the 2026 American League Rookie of the Year award for the 2026 MLB Season. In the event of a tie, this market will resolve according to the official winner as determined by MLB rules. If multiple winners are announced then this market will resolve to the player whose listed last name comes first alphabetically. If the 2026 MLB season is cancelled, postponed after December 31, 2026, 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from Major League Baseball; however, a consensus of credible reporting may also be used.
The market resolves to Yes if any of the specified players wins the American League Rookie of the Year award in the 2026 season. Eligible candidates include Trey Yesavage, Munetaka Murakami, Kazuma Okamoto, Tatsuya Imai, Kevin McGonigle, Carter Jensen, Samuel Basallo, Connelly Early, Chase DeLauter, Walker Jenkins, Travis Bazzana, Colt Emerson, Payton Tolle, Brice Matthews, Spencer Jones Jr., Lazaro Montes, Josue Briceño, Carson Williams, Max Clark, Noah Schultz, Hagen Smith, George Lombard Jr., Braden Montgomery, Sebastian Walcott, and Gage Jump. The market also resolves to Yes if the award results in a tie or co-winners.
Prediction market odds often differ from traditional sportsbook odds due to the nature of how each is determined. Sportsbooks set lines based on their own analysis and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven by the wisdom of the crowd, where participants directly express their beliefs about the outcome by trading. This can lead to more accurate probabilities, especially as more information becomes available. The 0.9 difference between prediction market and sportsbook odds can sometimes signal opportunities for arbitrage or highlight differing perspectives on the likely winner.
Prices for the AL Rookie of the Year market can vary between Polymarket and Kalshi due to several factors. 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 has a different user base with varying levels of expertise and access to information, leading to differing opinions. Trading volume and liquidity also play a role, as lower volume can result in wider bid-ask spreads and price fluctuations. Furthermore, the specific market design and trading mechanisms on each platform can influence price discovery. Currently, Polymarket currently favors Will Kevin McGonigle win the 2026 AL Rookie of the Year award? at 96.1%, while Kalshi leans toward Will Kevin McGonigle win AL ROTY? at 97.0%.
This market resolves around Jan 1, 2027, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of the AL Rookie of the Year award, as officially announced by Major League Baseball, will determine the outcome. The market will settle based on the official results released by the league, ensuring a transparent and objective resolution process. Traders should monitor official MLB announcements for the final determination of the award recipient, which will trigger settlement of this market.
Several factors could influence trading activity in this market before Jan 1, 2027. Player performance is a primary driver, with strong or weak performances significantly impacting perceived probabilities. Injuries to key contenders could also dramatically shift the market, as could significant changes in playing time or team roles. News regarding player development, scouting reports, or managerial decisions can also move the market. Additionally, any major media coverage or public sentiment shifts surrounding potential candidates could influence trading behavior and alter the probabilities reflected in this market.