Live prediction market odds for San Francisco Giants vs. Arizona Diamondbacks (9:40 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-19
San Francisco Giants vs. Arizona Diamondbacks (9:40 PM ET) — MLB game scheduled for 2026-05-19. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Arizona Diamondbacks leads the “San Francisco Giants vs. Arizona Diamondbacks (9:40 PM ET)” event at 53.8% implied probability, followed by San Francisco Giants at 47.0%. A 4.5% cross-platform spread signals an active arbitrage window.
San Francisco Giants vs. Arizona Diamondbacks (9:40 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Arizona Diamondbacks leads at 54% implied probability, making it the market favorite. Other contenders include San Francisco Giants at 47%.
Arizona Diamondbacks currently leads at 54% implied probability. Behind Arizona Diamondbacks, San Francisco Giants at 47% are the next closest contenders. The 4.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Arizona Diamondbacks: 56¢ on Kalshi, 52¢ on Polymarket. San Francisco Giants: 46¢ on Kalshi, 49¢ on Polymarket. The 4.5% spread across platforms highlights where markets disagree — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 54¢ means the market estimates a 54% probability that Arizona Diamondbacks will be the outcome. Buying one share at 54¢ pays out $1.00 if correct — a 85% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Arizona wins the San Francisco vs Arizona professional baseball game originally scheduled for May 19, 2026 at 9:40 PM EDT, then the market resolves to Yes.
The following market refers to the San Francisco vs Arizona professional baseball game originally scheduled for May 19, 2026 at 9:40 PM EDT. If this game is postponed or delayed, the market will remain open and close after the rescheduled game has finished (within two days). If the game is cancelled or rescheduled to over two days away, the market will resolve to a fair price in accordance with the rules.
PolymarketIn the upcoming MLB game between the San Francisco Giants and Arizona Diamondbacks, scheduled for May 19 at 9:40PM ET: This market will resolve to "San Francisco Giants" if the San Francisco Giants win the game. This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game. 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 ends in a tie, this market will resolve 50-50. 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.
Arizona Diamondbacks
53.8% avg
