TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
St. Louis Cardinals vs. Chicago Cubs
predict
kalshi
polymarket

Who will win St. Louis Cardinals vs Chicago Cubs?

Volume:
$895,254

Yes

 - Kalshi

Yes - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 17, 2026

Closed: Aug 16, 3:29 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

Yes

View
100%
53%
Yes 100¢No 0¢
100¢
N/A
$466,432
N/A
N/A
$408,161
Settled
Yes
polymarket

O/U 8.5

View
100%
40%
Yes 100¢No 0¢
0.1¢
N/A
$159,476
N/A
N/A
N/A
Settled
Yes
polymarket

St. Louis Cardinals vs. Chicago Cubs

View
100%
59%
Yes 100¢No 0¢
0.1¢
N/A
$123,638
N/A
N/A
N/A
Settled
Yes
predict

St. Louis Cardinals vs. Chicago Cubs

View
99%
58%
Yes 99¢No 1¢
—
$25,805
$24,620
N/A
N/A
N/A
Settled
No
polymarket

O/U 9.5

View
100%
40%
Yes 100¢No 0¢
0.1¢
N/A
$39,189
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -6.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$17,420
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

View
100%
68%
Yes 100¢No 0¢
0.1¢
N/A
$9,674
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 11.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$4,326
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 14.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$4,207
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

View
100%
30%
Yes 100¢No 0¢
0.1¢
N/A
$4,042
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -5.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$1,556
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

View
100%
19%
Yes 100¢No 0¢
0.1¢
N/A
$1,350
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

View
100%
50%
Yes 100¢No 0¢
0.1¢
N/A
$1,224
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

View
100%
7%
Yes 100¢No 0¢
0.9¢
N/A
$61
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

View
100%
5%
Yes 100¢No 0¢
0.9¢
N/A
$46
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 12.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$25
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 13.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$13
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -4.5

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

Spread -1.5

View
0%
42%
Yes 0¢No 100¢
—
N/A
$33,217
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -7.5

View
0%
Yes 0¢No 100¢
—
N/A
$2,821
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

View
0%
33%
Yes 0¢No 100¢
—
N/A
$1,645
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 15.5

View
0%
Yes 0¢No 100¢
—
N/A
$242
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 16.5

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

Spread -8.5

View
0%
Yes 0¢No 100¢
—
N/A
$5
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 30

Intro

This market tracks whether the St. Louis Cardinals will win by more than 8.5 runs against the Chicago Cubs in their MLB game. The aggregated consensus probability for the Cardinals winning by this margin stands at 40.0% across Predict, Kalshi, and Polymarket. The resolution source is official final statistics from MLB or credible reporting consensus if official data is delayed. Watch for the game on August 16 at 3:15 PM ET, as this will determine the market outcome.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All platforms use the same core logic for resolving both the game winner and first-inning runs markets, with consistent handling of edge cases like postponements, cancellations, and ties.Primary resolution logic: Official final statistics from MLB or credible reporting consensus if official data is delayed

Core resolution logic:

  • The game winner market resolves to the winning team based on official MLB results
  • The first-inning runs market resolves to Yes if at least one run is scored by either team in the first inning
  • Postponed games remain open until completed; canceled games or ties resolve 50-50

Edge cases & clarifications:

  • Postponement: Market remains open until game is completed; check MLB.com for makeup game schedule
  • Cancellation: Market resolves 50-50 if game is canceled with no makeup date
  • Tie: Market resolves 50-50 if game ends in a tie
Timing: Resolution occurs when official MLB statistics are published, or within 24 hours of game conclusion if statistics are delayedOur 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 St. Louis Cardinals and Chicago Cubs, scheduled for August 16 at 3:15PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Chicago Cubs" if the Chicago Cubs 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 St. Louis vs Chicago C professional baseball game originally scheduled for Aug 16, 2026 at 3:15 PM EDT, then the market resolves to Yes.

Predict

In the upcoming MLB game between the St. Louis Cardinals and Chicago Cubs, scheduled for August 16 at 3:15PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Chicago Cubs" if the Chicago Cubs 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 Cardinals vs. Cubs rivalry market aggregates activity across multiple prediction venues, showing how traders price the contest. It displays real-time volume of $895,254 and 24-hour volume of $893,513, alongside consensus probabilities drawn from Polymarket and Predict. This offers a single view of market sentiment and liquidity for the matchup.