Will the Seattle Mariners win the 2026 World Series?

sports · class A · confidence 98.00 %

Trade direction

BUY YES on Polymarket / SELL at pendant (Polymarket below pendant)

Traffic-light dimensions

Liquidity
RED
Polymarket bid-ask
GREEN
Match class
GREEN
Spread size
YELLOW
Persistence
YELLOW

Polymarket

Question
Will the Seattle Mariners win the 2026 World Series?
Outcome
Yes
Mid price
0.0565
Bid / Ask
0.0560 / 0.0570 (0c spread)
Volume 24h
$1,248
Open interest
$0
Resolution date
2026-10-31
Open Polymarket ↗

Pendant

Source
pinnacle
Instrument
pinnacle-baseball_mlb_world_series_winner-outrights
Implied probability
8.71 %
Pendant confidence
95.00 %
Notes
Pinnacle baseball_mlb_world_series_winner outrights, vig 20.89 % removed over 30 outcomes (matched "Seattle Mariners", exact)
As of
2026-06-03 08:01 UTC

Cost breakdown

Polymarket bid-ask (% of trade)
0.00 %
Polymarket slippage assumption
1.00 %
Pendant cost
1.00 %

Classifier

Model
claude-haiku-4-5
Domain
sports
Match class
A
Confidence
98.00 %
Reasoning
Standard MLB season outright (World Series winner) for 2026. Exact outcome definition (Seattle Mariners as champion), unambiguous resolution date aligned with expected end of 2026 World Series, and resolution via official MLB source. Pinnacle routinely offers such markets. High probability of identical match in Pinnacle's baseball outright offerings.
Canonical form
Seattle Mariners · Season Outright Winner · 2026-10-31

History

Spread history (last 22 snapshots, oldest first):

1 colour changes in the tracking window.