TOTAL VOLUME:

$154.4b

24H VOL:

$290,393,159

24H TRANSACTIONS:

2,984,640,614

OPEN INTEREST:

$1,944,100,805

420,493

Markets across

40,511

events

MATCHED EVENTS:

4,612

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Cleveland Guardians vs. Tampa Bay Rays
polymarket

Who will win Cleveland Guardians vs Tampa Bay Rays?

Volume:
$901,347

O/U 6.5

 - Polymarket

O/U 6.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 19, 2026

Closed: Oct 19, 11:28 PM EST

polymarket

Polymarket

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

O/U 6.5

View
100%
48%
Yes 100¢No 0¢
—
N/A
$261,993
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

100%
64%
Yes 100¢No 0¢
—
N/A
$34,789
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

100%
Yes 100¢No 0¢
—
N/A
$19,498
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -3.5

100%
Yes 100¢No 0¢
—
N/A
$17,345
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

100%
Yes 100¢No 0¢
—
N/A
$15,997
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

100%
Yes 100¢No 0¢
—
N/A
$9,531
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

100%
Yes 100¢No 0¢
—
N/A
$7,189
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

100%
Yes 100¢No 0¢
—
N/A
$77
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 4.5

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

Cleveland Guardians vs. Tampa Bay Rays

0%
42%
Yes 0¢No 100¢
—
N/A
$517,841
N/A
N/A
N/A
Settled
No
polymarket

NRFI

0%
43%
Yes 0¢No 100¢
—
N/A
$14,252
N/A
N/A
N/A
Settled
No
polymarket

Spread -4.5

0%
Yes 0¢No 100¢
—
N/A
$2,806
N/A
N/A
N/A
Settled
No
polymarket

O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$21
N/A
N/A
N/A
Settled
No
Total markets: 13

Intro

This market tracks whether the total score of the Cleveland Guardians versus Tampa Bay Rays game will be over or under 8.5 runs. Currently, Polymarket gives a 100.0% probability to “Cleveland Guardians vs. Tampa Bay Rays: O/U 8.5”. Resolution will be determined by the official score reported on https://www.mlb.com/scores. Keep an eye on the game itself, scheduled for October 19 at 5:00PM ET, as the final score will directly determine the outcome of this market.

Polymarket

In the upcoming MLB game between the Cleveland Guardians and Tampa Bay Rays, scheduled for October 19 at 5:00PM ET: This market will resolve to "Cleveland Guardians" if the Cleveland Guardians 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 Guardians vs. Rays game tracks the current odds, price history, and 24-hour trading volume. You can see how the implied probability of different outcomes changes over time, and monitor the total volume traded in this market, which is currently $905,019. The 24-hour volume is $897,643, indicating recent trading activity. This provides a real-time view of how traders are assessing the likelihood of various results for the game.

Prediction market odds often reflect the collective wisdom of informed traders, and can differ from traditional sportsbook odds. Sportsbooks set lines to balance their risk and ensure profit, while this market is driven purely by individuals predicting the outcome. It's common to see discrepancies, especially as new information emerges or public sentiment shifts. Comparing these odds can offer insights into where the 'crowd' believes the value lies, and potentially identify opportunities for profitable trades. However, remember that both represent probabilities, not guarantees.

On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the price adjusts to reflect the collective assessment of the game's potential results. The current volume traded indicates the level of interest and confidence in the various possibilities for the Guardians vs. Rays game.

This market resolves around Oct 27, 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 Cleveland Guardians versus Tampa Bay Rays game, as reported by a major sports data provider. The specific outcome that triggers resolution will depend on the market's design, but it will be clearly defined on Polymarket prior to the event's completion. Traders should review the market details for precise resolution conditions.

Several factors could influence trading activity in this market. Any news regarding player injuries, starting pitchers, or weather conditions could significantly shift the perceived probabilities. Unexpected performance in preceding games, or even changes in team strategy, can also impact the market. Major announcements about team lineups or coaching decisions are likely to cause price fluctuations. Monitoring these signals and staying informed about the teams involved is crucial for understanding potential market movements before Oct 27, 2026.