PolymarketSportsOpen

Washington Nationals vs. Detroit Tigers

39¢+156

last trade · closes 2026-09-30

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24h volume$3.4M
Open interest$927.8K
Lifetime volume$3.4M

Odds history

Implied odds over timebid/askmid100%50%0%Sep 18 14:46 UTCSep 23 17:17 UTC

How this market settles

Pays Yes when
In the upcoming MLB game between the Washington Nationals and Detroit Tigers, scheduled for September 23 at 1:10PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals win the game.
Who decides
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…
Venue’s stated source
https://www.mlb.com/
When
Closes 2026-09-30.
Read the full rules Polymarket publishes

In the upcoming MLB game between the Washington Nationals and Detroit Tigers, scheduled for September 23 at 1:10PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals win the game. This market will resolve to "Detroit Tigers" if the Detroit Tigers 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.

What this bet really costs you

  • On $100 at 39¢ you pay $4.27 in fees on Kalshi

    1.67¢ per contract · 256 contracts

  • On $100 at 39¢ you pay $3.65 in fees on Polymarket US

    1.43¢ per contract · 256 contracts

Exchange-side taker fees per each venue's published formula (rate × contracts × price × (1 − price)); contracts = stake ÷ price, rounded down to whole contracts. Fees peak at 50¢ and shrink toward the extremes. Most quoted cross-venue “arbs” are negative-EV after these fees; the taker-fee breakeven on a Kalshi/Polymarket pair is roughly 3.5–4¢.

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Polymarket moved 8¢ on US recession in 2026? in the last 60 minutes (12¢ → 20¢). Kalshi hasn't caught up — still sitting at 14¢.Get alerts (opens in a new tab)

Data: Polymarket id 0xaf0dbca26c6b6ece765dc74d6ca39272369f69ebfbbd36ccd342f7705465a2a9 · ← All tracked markets