Seattle Mariners vs. Athletics - Sep 20, 2026
Live Polymarket analytics for Seattle Mariners vs. Athletics - Sep 20, 2026 — $412K volume · 61% Seattle Mariners vs. Athletics. Whale positions, bot activity, and order book depth on PolyCollect.
Leading Outcomes
there
100%O/U 9.5
100%1st 5 Innings Spread: Seattle Mariners (-1.5)
100%1st 5 Innings O/U 2.5
100%1st 5 Innings O/U 3.5
100%
Key metrics
Score = Volume + Liquidity + Spread. Whales add a small bonus.
Labels :
- Prime — score 88+ (after rounding), or strong volume + liquidity + tight spread with whales; not Thin
- Active — solid but below Prime thresholds
- Thin — low volume or wide spread (harder to trade size)
- Avoid — dead / illiquid, or market is closed
Not a prediction of how the market resolves
Number of seals (5K+), sharks (25K+) and whales (50K+) present in this market, throughout all outcomes
Outcome Analysis
Per-outcome prices, flow & whale positions
Resolution Criteria
In the upcoming MLB game between the Seattle Mariners and Athletics, scheduled for September 13 at 4:05PM ET:
This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game.
This market will resolve to "Athletics" if the Athletics 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.
Resolution source: https://www.mlb.com/
Related Markets
TrendingTrending by 24h net flow
Resolution Criteria
In the upcoming MLB game between the Seattle Mariners and Athletics, scheduled for September 13 at 4:05PM ET:
This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game.
This market will resolve to "Athletics" if the Athletics 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.
Resolution source: https://www.mlb.com/