Live prediction market odds for New York Mets vs. Washington Nationals (6:45 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-18
New York Mets vs. Washington Nationals (6:45 PM ET) — MLB game scheduled for 2026-05-18. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
New York Mets leads the “New York Mets vs. Washington Nationals (6:45 PM ET)” event at 50.0% implied probability, followed by Washington Nationals at 47.3%. A 7.5% cross-platform spread signals an active arbitrage window.
New York Mets vs. Washington Nationals (6:45 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). New York Mets leads at 50% implied probability, making it the market favorite. Other contenders include Washington Nationals at 47%.
New York Mets currently leads at 50% implied probability. Behind New York Mets, Washington Nationals at 47% are the next closest contenders. The 7.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: New York Mets: 51¢ on Kalshi, 49¢ on Polymarket. Washington Nationals: 44¢ on Kalshi, 51¢ on Polymarket. The 7.5% 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 50¢ means the market estimates a 50% probability that New York Mets will be the outcome. Buying one share at 50¢ pays out $1.00 if correct — a 100% 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 New York M wins the New York M vs Washington professional baseball game originally scheduled for May 18, 2026 at 6:45 PM EDT, then the market resolves to Yes.
The following market refers to the New York M vs Washington professional baseball game originally scheduled for May 18, 2026 at 6:45 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 New York Mets and Washington Nationals, scheduled for May 18 at 6:45PM ET: This market will resolve to "New York Mets" if the New York Mets win the game. This market will resolve to "Washington Nationals" if the Washington Nationals 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.
New York Mets
50.0% avg
