Skip to content
Scanner / All markets / Sports

St. Louis Cardinals vs. San Francisco Giants: O/U 9.5

Post
KalshiPolymarket ✓ Verified same-resolution Closes Sep 9, 2026
LIVE PRICES — YES
KalshiTrade ↗
34¢ last
BidAsk
YES33¢34¢
NO66¢67¢
$14 volume
PolymarketBEST YES PRICETrade ↗
34¢ last
BidAsk
YES33¢34¢
NO66¢67¢
$2,238 volume
Cross-venue spread 0.0¢
30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If St. Louis and San Francisco collectively score more 9.5 runs in the St. Louis vs San Francisco professional baseball game originally scheduled for Sep 8, 2026 at 9:45 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming MLB game between the St. Louis Cardinals and San Francisco Giants, scheduled for September 8 at 9:45 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and San Francisco Giants combine to score 10 or more runs in this game. If the combined total is less than 10, 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 spread0.0¢
Kalshi last34¢
Polymarket last34¢
Venues2
TRACK THIS MARKET

Get an email the moment the price or edge moves — watchlists, whale alerts and the full scanner are free to start.

Start free — no card
RELATED MARKETS
St. Louis Cardinals vs. San Francisco Giants50¢Cincinnati Reds vs. Los Angeles Dodgers: O/U 8.5Counter-Strike: Phantom Academy vs Misa Esports (BO3) - CCT Europe Challengers Series PlayoffsCounter-Strike: KUUSAMO.gg vs RoundsGG (BO3) - Exort Fiesta Closed Qualifier: Series #2 Group DUS Open ATP: Ben Shelton vs Carlos AlcarazCounter-Strike: Fire Flux Esports vs SINQU (BO3) - European Pro League Series 10 Play-In Group A
The same question at a different strike, deadline or outcome — related, not the same contract. Prices are the latest YES.