TOTAL VOLUME:
$62.1b
24H VOL:
$230,267,425
24H TRANSACTIONS:
600,147,874
OPEN INTEREST:
$1,358,301,334
584,112
Markets across
14,460
events
MATCHED EVENTS:
4,188
PLATFORM COVERAGE:
4
Polymarket:
50%
VS.
Kalshi:
50%
Closed: May 20, 12:31 AM EST
Kalshi
This event group covers MLB games between the Arizona Diamondbacks and San Francisco Giants. However, the source data reveals multiple distinct markets across platforms with different scheduled dates (May 19 vs. May 25) and different resolution scopes (game winner vs. first-inning run scoring), creating a fragmented event structure rather than a single unified event.
Prediction market odds on Polymarket reflect real-money positions from traders worldwide and often diverge from traditional sportsbook lines. Sportsbooks adjust odds to balance action and manage risk, while prediction markets aggregate dispersed information from many participants. For the Diamondbacks–Giants matchup, comparing Polymarket implied probabilities to major sportsbook spreads and moneylines can reveal where professional and retail sentiment differ, helping you identify potential value or consensus shifts.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, the Diamondbacks–Giants market is priced as a binary contract reflecting the outcome of the game. Traders buy and sell shares at prices between 0 and 100 cents, with the price representing the implied probability of that outcome occurring. As game time approaches and new information emerges—injuries, weather, lineup changes—the price adjusts in real time based on supply and demand from the prediction market community.
The market resolves on Jun 1, 2026. Resolution is determined by the official final result of the Arizona Diamondbacks vs. San Francisco Giants game as recorded by Major League Baseball. The outcome is binary: one team wins, and the market settles accordingly. Traders should monitor official MLB sources and any relevant league announcements in the days leading up to game time to stay informed of any schedule changes or other developments.
Key catalysts include roster changes such as injuries to star players, lineup announcements, and bullpen availability for both teams. Weather conditions at the stadium on game day—wind speed, temperature, humidity—can significantly impact play. Recent team performance, head-to-head matchup history, and any trades or roster moves before the deadline may shift market expectations. Breaking news about player health, umpire assignments, or other game-day logistics can also trigger sharp repricing on Polymarket.
Follow the signals, not the noise
Get insights on market conviction, notable shifts, and what the data is quietly signaling.