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 19, 6:47 AM EST
Opinion
In the upcoming MLB game, scheduled for 2026-09-18 22:40 UTC: If the Kansas City Royals win, the market will resolve to "Kansas City Royals". If the Pittsburgh Pirates win, the market will resolve to "Pittsburgh Pirates". The result will be determined based on the final score including any extra innings. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or officially ends in a tie, this market will resolve 50-50. Resolution Source: https://www.mlb.com/ Note: Opinion will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
In the upcoming MLB game, scheduled for 2026-09-18 22:40 UTC: If the Kansas City Royals win, the market will resolve to "Kansas City Royals". If the Pittsburgh Pirates win, the market will resolve to "Pittsburgh Pirates". The result will be determined based on the final score including any extra innings. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or officially ends in a tie, this market will resolve 50-50. Resolution Source: https://www.mlb.com/ Note: Opinion will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
Prediction market odds often reflect the collective wisdom of a diverse group of bettors, sometimes differing from those offered by traditional sportsbooks. Sportsbooks set initial lines to balance their risk, while this market allows the crowd to weigh in and adjust probabilities based on new information or differing perspectives. Often, prediction markets can be more accurate than traditional odds, especially when accounting for factors not easily quantifiable by sportsbooks. It's common to see discrepancies, particularly as the event approaches and more information becomes available.
On Opinion, this market is priced through a continuous auction mechanism where traders buy and sell contracts representing different outcomes. The price of each contract reflects the market's current expectation of that outcome's probability. As more traders participate and new information emerges, the prices adjust accordingly. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing allows the market to quickly incorporate new data and reflect the evolving sentiment of participants, resulting in a real-time assessment of the game's likely result.
This market resolves around Sep 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Kansas City Royals versus Pittsburgh Pirates game, as determined by official league statistics. The winning outcome in this market will correspond to the team that is officially declared the winner of the game. Traders will be able to see the final result reflected in the market’s history.
Several factors could influence the trading activity in this market. Any news regarding key player injuries, changes in starting pitchers, or weather conditions impacting the game could significantly shift expectations. Unexpected performance in preceding games by either team, or even broader trends in team momentum, could also drive price movement. Major announcements about team strategies or coaching decisions might also cause traders to reassess probabilities, leading to changes in the market. Monitoring these signals can help you understand potential shifts in the odds.