Live prediction market odds for San Francisco Giants vs. Tampa Bay Rays (1:40 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-03
San Francisco Giants vs. Tampa Bay Rays (1:40 PM ET) — MLB game scheduled for 2026-05-03. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
San Francisco Giants leads the “San Francisco Giants vs. Tampa Bay Rays (1:40 PM ET)” event at 52.5% implied probability, followed by Tampa Bay Rays at 47.5%. A 13.0% cross-platform spread signals an active arbitrage window.
San Francisco Giants vs. Tampa Bay Rays (1:40 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). San Francisco Giants leads at 53% implied probability, making it the market favorite. Other contenders include Tampa Bay Rays at 48%.
San Francisco Giants currently leads at 53% implied probability. Behind San Francisco Giants, Tampa Bay Rays at 48% are the next closest contenders. The 13.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: San Francisco Giants: 46¢ on Kalshi, 59¢ on Polymarket. Tampa Bay Rays: 54¢ on Kalshi, 41¢ on Polymarket. The 13.0% 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 53¢ means the market estimates a 53% probability that San Francisco Giants will be the outcome. Buying one share at 53¢ pays out $1.00 if correct — a 89% 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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San Francisco Giants
52.5% avg
