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Kansas City Royals vs. Minnesota Twins: O/U 8.5

KalshiPolymarket Closes Jul 29, 2026
This market group is no longer actively tracked — final data shown. See live edges →
MarketMaster fair value78¢ vs live 73¢ on Kalshi
▲ +5.9% edge · Buy NO
Trade on Kalshi ↗
LIVE PRICES — YES
KalshiTrade ↗
20¢ last
BidAsk
YES19¢21¢
NO79¢81¢
$61,646 volume
PolymarketBEST YES PRICETrade ↗
16¢ last
BidAsk
YES23¢24¢
NO76¢77¢
$46,924 volume
Cross-venue spread 4.0¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Kalshi and NO on Polymarket — total cost 98¢ per $1 payout, locking +2.0¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Kansas City and Minnesota collectively score more 8.5 runs in the Kansas City vs Minnesota professional baseball game originally scheduled for Jul 28, 2026 at 7:40 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming MLB game between the Kansas City Royals and Minnesota Twins, scheduled for July 28 at 7:40 PM ET: This market will resolve to "Over" if the Kansas City Royals and Minnesota Twins combine to score 9 or more runs in this game. If the combined total is less than 9, 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.

Show full rules
STATS
Cross-venue spread4.0¢
Kalshi last20¢
Polymarket last16¢
Model fair value22¢
Model confidence45%
Venues2
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