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Cleveland vs Boston: Total Runs — Over 7.5 runs scored

Post ☰ See all 3 outcomes in Cleveland vs Boston: Total Runs →
KalshiPolymarket ✓ Verified same-resolution Closes Sep 23, 2026
MarketMaster fair value37¢ vs live 36¢ on Kalshi
1.3% against the midpoint, 0.8% against the 36¢ ask you would actually pay, -0.1% after the 0.81¢ taker fee.
No edge after fees
Trade on Kalshi ↗
LIVE PRICES — YES
KalshiBEST YES PRICETrade ↗
35¢ last
BidAsk
YES35¢36¢
NO64¢65¢
$46,681 volume
PolymarketTrade ↗
38¢ last
BidAsk
YES35¢36¢
NO64¢65¢
$17,053 volume
Cross-venue spread 3.0¢· active arbitrage window
30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Cleveland and Boston collectively score more 7.5 runs in the Cleveland vs Boston professional baseball game originally scheduled for Sep 22, 2026 at 6:45 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming MLB game between the Cleveland Guardians and Boston Red Sox, scheduled for September 22 at 6:45 PM ET: This market will resolve to "Over" if the Cleveland Guardians and Boston Red Sox combine to score 8 or more runs in this game. If the combined total is less than 8, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.

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STATS
Cross-venue spread3.0¢
Kalshi last35¢
Polymarket last38¢
Model fair value37¢
Model confidence43%
Venues2
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The same question at a different strike, deadline or outcome — related, not the same contract. Prices are the latest YES.