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406,065

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Athletics vs. Kansas City Royals
polymarket
kalshi
predict

Who will win Athletics vs Kansas City Royals?

Volume:
$3,764,570

Kansas City

 - Kalshi

Kansas City - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 20, 2026

Closed: Aug 19, 10:14 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Kansas City

View
100%
44%
Yes 100¢No 0¢
100¢
N/A
$1,684,254
N/A
N/A
$777,777
Settled
Yes
polymarket

O/U 7.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$44,645
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

View
100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$27,628
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

View
100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$6,961
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -3.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$6,649
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$3,811
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

View
100%
53%
Yes 100¢No 0¢
0.1¢
N/A
$2,050
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$373
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$81
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

View
100%
Yes 100¢No 0¢
0.9¢
N/A
$69
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$51
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$50
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$40
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
predict

Athletics vs. Kansas City Royals

View
1%
44%
Yes 1¢No 99¢
—
$2,969
$13,208
N/A
N/A
N/A
Settled
No
kalshi

A's

View
0%
45%
Yes 0¢No 100¢
100¢
N/A
$1,367,290
N/A
N/A
$626,591
Settled
No
polymarket

Athletics vs. Kansas City Royals

View
0%
44%
Yes 0¢No 100¢
—
N/A
$226,982
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

View
0%
98%
Yes 0¢No 100¢
—
N/A
$302,789
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

View
0%
98%
Yes 0¢No 100¢
—
N/A
$54,098
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$11,830
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -4.5

View
0%
Yes 0¢No 100¢
—
N/A
$8,322
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

View
0%
99%
Yes 0¢No 100¢
—
N/A
$2,771
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

View
0%
99%
Yes 0¢No 100¢
—
N/A
$579
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 11.5

View
0%
Yes 0¢No 100¢
—
N/A
$18
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -5.5

View
0%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 27

Intro

This market tracks whether the game between the Athletics and Kansas City Royals will go to extra innings. The current aggregated consensus probability for this outcome stands at 100.0%, drawing data from Polymarket, Kalshi, and Predict, with resolution based on official MLB statistics. Watch for the game scheduled for August 20 at 2:10 PM ET as the key catalyst for resolution.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All platforms use the same core resolution logic based on official MLB statistics for both the game winner and first-inning runs marketsPrimary resolution logic: Official MLB statistics

Core resolution logic:

  • Market resolves to the winning team if a game is completed
  • If no runs are scored in the first inning, the 'No' option resolves
  • Postponed games remain open until completed; canceled games resolve 50-50

Edge cases & clarifications:

  • Postponement: Market remains open until makeup game is completed
  • Cancellation: Market resolves 50-50 if no makeup game is scheduled
  • Tie: Market resolves 50-50 if game ends in a tie
Timing: Resolution occurs within 24 hours after the game concludes, using official MLB statisticsOur 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 Athletics and Kansas City Royals, scheduled for August 20 at 2:10PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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

Both markets are designed to resolve based on the winner of the A's vs Kansas City professional baseball game originally scheduled for August 19, 2026, at 7:40 PM EDT. Should the game be postponed or delayed but finished within two days of the original date, the market stays open and resolves according to the final result. If the game is cancelled or rescheduled to more than two days after the original date, the market resolves to a fair price. Kalshi states it is not affiliated with the governing league, and all trademarks, logos, and brand names remain the property of their respective owners.

Predict

In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 20 at 2:10PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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

The dashboard for the Athletics vs. Royals matchup market aggregates data across multiple prediction platforms, showing real-time probabilities and volume trends. It provides a consensus view of how Polymarket and Predict users price this market, highlighting any shifts in sentiment as the game approaches. With current volume at $3,764,570 and 24-hour volume of $3,741,643, the dashboard helps track both broad interest and short-term movements in trader confidence.