Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5
The event deadline has passed. This market is awaiting formal resolution, so the price shown is the last traded level, not a live forecast.
- Last probability before deadline
- 54.0%
- Event deadline
- August 25, 2026 at 9:40 PM ET
- Venue status
- closed
- Resolution source
- mlb.com
ProbCast Reliability Summary
Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5 The last traded Polymarket probability before the deadline was 54.0%. The event deadline has passed. This market is awaiting formal resolution, so the price shown is the last traded level, not a live forecast.
- Market data as of
- August 26, 2026 at 3:52 AM ET
- ProbCast assessment generated
- August 26, 2026 at 12:02 PM ET
- Source
- Polymarket
- Event deadline
- August 25, 2026 at 9:40 PM ET
- Market status
- Awaiting resolution
What this market actually measures
In the upcoming MLB game between the Chicago Cubs and Arizona Diamondbacks, scheduled for August 25 at 9:40 PM ET: This market will resolve to "Over" if the Chicago Cubs and Arizona Diamondbacks combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under".
This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.
View full official resolution rules
In the upcoming MLB game between the Chicago Cubs and Arizona Diamondbacks, scheduled for August 25 at 9:40 PM ET: This market will resolve to "Over" if the Chicago Cubs and Arizona Diamondbacks 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.
Resolution source: mlb.com
Market data
24h volume
$112.1K
Liquidity
$5
Total volume