TOTAL VOLUME:

$134.2b

24H VOL:

$129,159,707

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,442,132,418

404,744

Markets across

30,489

events

MATCHED EVENTS:

2,691

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
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Sports
Houston Astros vs. Tampa Bay Rays
polymarket

Who will win Houston Astros vs Tampa Bay Rays?

Volume:
$656,634

NRFI

 - Polymarket

NRFI - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 13, 2026

Closed: Sep 12, 6:29 PM EST

polymarket

Polymarket

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

NRFI

View
100%
53%
Yes 100¢No 0¢
0.1¢
N/A
$5,298
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 4.5

100%
Yes 100¢No 0¢
1¢
N/A
$12
N/A
N/A
N/A
Settled
Yes
polymarket

Houston Astros vs. Tampa Bay Rays

0%
42%
Yes 0¢No 100¢
—
N/A
$533,302
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
38%
Yes 0¢No 100¢
—
N/A
$73,952
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

0%
53%
Yes 0¢No 100¢
—
N/A
$19,956
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

0%
46%
Yes 0¢No 100¢
—
N/A
$14,768
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

0%
35%
Yes 0¢No 100¢
—
N/A
$3,880
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
31%
Yes 0¢No 100¢
—
N/A
$3,153
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

0%
28%
Yes 0¢No 100¢
—
N/A
$1,542
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

0%
Yes 0¢No 100¢
—
N/A
$376
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

0%
Yes 0¢No 100¢
—
N/A
$166
N/A
N/A
N/A
Settled
Yes
polymarket

Extra Innings

0%
96%
Yes 0¢No 100¢
—
N/A
$123
N/A
N/A
N/A
Settled
No
polymarket

Spread -2.5

0%
22%
Yes 0¢No 100¢
—
N/A
$75
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

0%
45%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
23%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
34%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

100%
21%
Yes 100¢No 0¢
0.7¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

0%
58%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

0%
34%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

0%
29%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 20

Description

In the upcoming MLB game between the Houston Astros and Tampa Bay Rays, scheduled for September 12 at 6:10PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays 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.

Polymarket

In the upcoming MLB game between the Houston Astros and Tampa Bay Rays, scheduled for September 12 at 6:10PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays 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.

Frequently asked questions

On Polymarket, the dashboard for the Astros-Rays game market displays the current odds, price history, and 24-hour trading volume. You can see how the implied probability of various outcomes has changed over time, and gauge market interest based on the volume of $656,984 traded in the last day. The total volume for this market is currently $655,882. This provides a clear picture of where traders stand on the likely result of the game, all within the Polymarket interface.

Typically, prediction market odds reflect a wisdom-of-the-crowd perspective, often incorporating information not immediately available to sportsbooks. While sportsbooks set initial lines based on statistical models and expert analysis, this market allows for real-time adjustments as new information emerges – like injury reports or weather forecasts. It's common to see prediction market probabilities diverge from sportsbook odds, especially as the event approaches, as traders weigh different factors and express their collective belief about the outcome of the game. This can provide a different perspective than traditional betting options.

This market resolves around Sep 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Houston Astros versus Tampa Bay Rays game, as reported by a widely recognized sports data provider. The market will determine which team won the game, or if the game ended in a tie, based on this official data. Traders will then be able to claim their winnings based on the final outcome.

Several factors could significantly influence this market. Any news regarding key player injuries on either the Astros or the Rays would likely cause shifts in the odds. Changes in the projected weather conditions for the game, particularly if they impact pitching matchups or offensive strategies, could also move the market. Unexpected lineup announcements or significant performance trends from either team in preceding games could also play a role. Finally, any major news impacting team morale or coaching decisions could influence trader sentiment and, consequently, the price of shares in this market.