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 10, 7:10 PM EST
Polymarket
In the upcoming MLB game between the Seattle Mariners and Tampa Bay Rays, scheduled for July 10 at 7:10 PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners is winning the game at the conclusion of the 5th inning. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays is winning the game at the conclusion of the 5th inning. If the game is tied at the conclusion of the 5th inning, this market will resolve to "Draw". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
In the upcoming MLB game between the Seattle Mariners and Tampa Bay Rays, scheduled for July 10 at 7:10 PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners is winning the game at the conclusion of the 5th inning. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays is winning the game at the conclusion of the 5th inning. If the game is tied at the conclusion of the 5th inning, this market will resolve to "Draw". If the game is postponed, this market will remain open until the 5th inning has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the beliefs of traders who profit or lose based on accuracy. For this market, prediction market prices may move faster in response to breaking news—injuries, weather, or lineup changes—since traders can adjust positions instantly. Sportsbooks typically adjust more slowly and deliberately. Neither source is inherently more accurate, but comparing both can reveal where smart money is shifting and highlight potential value.
On Polymarket, this market is priced through an automated market maker that allows traders to buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective probability assigned by all active traders; as more capital flows into one outcome, its price rises and others fall. Traders profit by buying low and selling high, or by holding shares until resolution. The continuous pricing mechanism means odds update in real time with every transaction, creating a dynamic market that responds instantly to new information about player health, weather conditions, or momentum shifts.
This market resolves around Jul 10, 2026, once the Seattle Mariners and Tampa Bay Rays complete their first five innings. The outcome is determined by the score at the end of the fifth inning—whichever team is ahead wins, or the market settles on a tie if both teams have identical runs. Resolution is verified against credible public sources including official MLB records and major sports reporting outlets. Once the result is confirmed and finalized, traders' positions settle automatically based on which outcome occurred.
Several catalysts can shift odds before first pitch and during the early innings. Lineup announcements, starting pitcher confirmations, and last-minute roster changes often trigger sharp moves as traders reassess team strength. Weather updates—wind speed, temperature, and humidity—affect ball carry and scoring pace, prompting repricing. Injury reports or unexpected player absences can swing sentiment dramatically. During the game itself, early runs, defensive plays, and pitching changes in the first five innings will cause real-time adjustments. Breaking news from either team's camp or sudden momentum swings in the opening frames can also drive significant market movement.