Live prediction market odds for Philadelphia Phillies vs. Boston Red Sox (6:45 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-12
Philadelphia Phillies vs. Boston Red Sox (6:45 PM ET) — MLB game scheduled for 2026-05-12. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Philadelphia Phillies leads the “Philadelphia Phillies vs. Boston Red Sox (6:45 PM ET)” event at 56.3% implied probability, followed by Boston Red Sox at 48.3%. A 9.5% cross-platform spread signals an active arbitrage window.
Philadelphia Phillies vs. Boston Red Sox (6:45 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Philadelphia Phillies leads at 56% implied probability, making it the market favorite. Other contenders include Boston Red Sox at 48%.
Philadelphia Phillies currently leads at 56% implied probability. Behind Philadelphia Phillies, Boston Red Sox at 48% are the next closest contenders. The 9.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Philadelphia Phillies: 61¢ on Kalshi, 52¢ on Polymarket. Boston Red Sox: 48¢ on Kalshi, 49¢ on Polymarket. The 9.5% 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 56¢ means the market estimates a 56% probability that Philadelphia Phillies will be the outcome. Buying one share at 56¢ pays out $1.00 if correct — a 79% 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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Philadelphia Phillies
56.3% avg
