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406,422

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Seattle Mariners vs. Colorado Rockies
polymarket
kalshi

Who will win Seattle Mariners vs Colorado Rockies?

Volume:
$587,364

Seattle Mariners vs. Colorado Rockies

 - Polymarket

Seattle Mariners vs. Colorado Rockies - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 20, 2026

Closed: Sep 20, 6:16 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Seattle Mariners vs. Colorado Rockies

View
100%
45%
Yes 100¢No 0¢
0.1¢
N/A
$99,629
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 2.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$220
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$292,733
N/A
N/A
N/A
Settled
Yes
kalshi

Over 0.5 runs in the 1st inning

View
0%
Yes 0¢No 100¢
100¢
N/A
$137,934
N/A
N/A
$113,889
Settled
No
polymarket

NRFI

View
0%
52%
Yes 0¢No 100¢
—
N/A
$211
N/A
N/A
N/A
Settled
No
polymarket

O/U 11.5

View
0%
Yes 0¢No 100¢
—
N/A
$32,805
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

View
0%
Yes 0¢No 100¢
—
N/A
$9,554
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

View
0%
Yes 0¢No 100¢
—
N/A
$8,406
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

View
0%
Yes 0¢No 100¢
—
N/A
$2,033
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

View
0%
Yes 0¢No 100¢
—
N/A
$758
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

View
0%
Yes 0¢No 100¢
—
N/A
$686
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

View
0%
Yes 0¢No 100¢
—
N/A
$680
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 3.5

View
0%
Yes 0¢No 100¢
—
N/A
$654
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

View
0%
Yes 0¢No 100¢
—
N/A
$451
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 4.5

View
0%
Yes 0¢No 100¢
—
N/A
$276
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 12.5

View
0%
Yes 0¢No 100¢
—
N/A
$148
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

View
0%
Yes 0¢No 100¢
—
N/A
$52
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

View
0%
Yes 0¢No 100¢
—
N/A
$39
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

View
0%
Yes 0¢No 100¢
—
N/A
$21
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

View
0%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

View
0%
Yes 0¢No 100¢
—
N/A
$16
N/A
N/A
N/A
Settled
Yes
polymarket

Colorado Rockies O/U 4.5

View
0%
Yes 0¢No 100¢
—
N/A
$16
N/A
N/A
N/A
Settled
Yes
polymarket

Seattle Mariners O/U 5.5

View
0%
Yes 0¢No 100¢
—
N/A
$14
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

View
0%
Yes 0¢No 100¢
—
N/A
$9
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 36

Description

This group covers various markets related to the MLB game between the Seattle Mariners and the Colorado Rockies on September 20th. Markets include the game winner, run totals, spreads, and whether certain events (like scoring in the first inning or going to extra innings) will occur. Several markets focus on the first 5 innings of the game.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Discrepancy in handling of postponed games for the 'run in the first inning' market. Kalshi lacks explicit postponement rules.Hero tip: Favor Polymarket for the 'run in the first inning' market due to its clearer postponement handling.

Critical divergence points:

  • Polymarket: Resolves 'Yes' if a run is scored in the 1st inning by either team. Market remains open if postponed.
  • Kalshi: Resolves 'Yes' if a run is scored in the 1st inning by either team. No explicit postponement handling.
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

In the upcoming MLB game between the Seattle Mariners and Colorado Rockies, scheduled for September 20 at 3:10PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Colorado Rockies" if the Colorado Rockies 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.

Kalshi

If either team scores a run in the first inning of the Seattle vs Colorado professional baseball game originally scheduled for Sep 20, 2026 at 3:10 PM EDT, then the market resolves to Yes.