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St. Louis Cardinals vs. Colorado Rockies

Post
KalshiPolymarket ✓ Verified same-resolution Closes Sep 13, 2026
LIVE PRICES — YES
KalshiTrade ↗
97¢ last
BidAsk
YES97¢98¢
NO
$1,384,834 volume
PolymarketBEST YES PRICETrade ↗
86¢ last
BidAsk
YES85¢86¢
NO14¢15¢
$255,350 volume
Cross-venue spread 11.0¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Polymarket and NO on Kalshi — total cost 89¢ per $1 payout, locking +11.0¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If St. Louis wins the St. Louis vs Colorado professional baseball game originally scheduled for Sep 6, 2026 at 3:10 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming MLB game between the St. Louis Cardinals and Colorado Rockies, scheduled for September 6 at 3:10PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Colorado Rockies" if the Colorado Rockies 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.

Show full rules
STATS
Cross-venue spread11.0¢
Kalshi last97¢
Polymarket last86¢
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.