Skip to content
Scanner / All markets / Sports

Boston vs Tampa Bay: Total Runs — Over 8.5 runs scored

Post
KalshiPolymarket ✓ Verified same-resolution Closes Sep 19, 2026
LIVE PRICES — YES
KalshiTrade ↗
37¢ last
BidAsk
YES36¢37¢
NO63¢64¢
$8,665 volume
PolymarketBEST YES PRICETrade ↗
37¢ last
BidAsk
YES36¢37¢
NO63¢64¢
$1,041 volume
Cross-venue spread 0.0¢
30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Boston and Tampa Bay collectively score more 8.5 runs in the Boston vs Tampa Bay professional baseball game originally scheduled for Sep 18, 2026 at 7:10 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming MLB game between the Boston Red Sox and Tampa Bay Rays, scheduled for September 18 at 7:10 PM ET: This market will resolve to "Over" if the Boston Red Sox and Tampa Bay Rays 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 spread0.0¢
Kalshi last37¢
Polymarket last37¢
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
ELSEWHERE
RELATED MARKETS
Boston vs Tampa Bay — Boston45¢Boston Red Sox vs. Tampa Bay Rays: O/U 7.544¢New York Yankees vs. Arizona Diamondbacks: O/U 8.5331: Vera vs Jourdain — Marlon VeraMilwaukee vs Baltimore: Total Runs — Over 8.5 runs scoredDetroit Tigers vs. Chicago White Sox: O/U 9.5
The same question at a different strike, deadline or outcome — related, not the same contract. Prices are the latest YES.