What is the Royals vs. Red Sox Over/Under 8.5 market?

It is a prediction market on the combined score in the Kansas City Royals versus Boston Red Sox game. The market resolves to Over if the teams score at least 9 total runs and Under if they score 8 or fewer.

When does the Royals vs. Red Sox total runs market resolve?

The market is scheduled to resolve after the game on September 11, 2026, at 7:10 PM ET. If the game is postponed, it remains open until the game is played.

What happens if the Royals vs. Red Sox game is canceled?

If the game is canceled entirely and there is no makeup game, the market resolves 50-50 according to its listed rules.

What smart money activity is showing in this MLB prediction market?

PolySpotter is tracking $2,000 in smart money and one signal. The recent alert reports that a perfect-record bettor added to the Under position.

How does Over 8.5 differ from Under 8.5 in this market?

Over wins when the Royals and Red Sox combine for 9 or more runs. Under wins when the combined score is 8 runs or fewer.

Part of: Kansas City Royals vs. Boston Red Sox

Kansas City Royals vs. Boston Red Sox: O/U 8.5

This Polymarket prediction market covers whether the Kansas City Royals and Boston Red Sox will combine for 9 or more runs on September 11, 2026. The market has $2,000 in tracked smart money and one recent signal from a perfect-record bettor backing Under; it resolves after the game is completed.

In the upcoming MLB game between the Kansas City Royals and Boston Red Sox, scheduled for September 11 at 7:10 PM ET: This market will resolve to "Over" if the Kansas City Royals and Boston Red Sox 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.

1 smart money signal detected, totaling $2,000.

Categories: Sports, Games, MLB, baseball

Notable Trades

Perfect-record bettor adds to Under

A proven bettor with 27 straight wins and substantial positive edge is adding to an existing Under position at nearly even odds.

This bettor has won 27 of 27 resolved positions, earning $46,273 while entering at average odds of 53%.
They are adding $1,999.71 to an existing Under position, bringing total investment to about $5,921.
The Under is available around 51¢, near even odds in a thinly traded game-total market.

$2,000 on Under | Wallet win rate: 100%