TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
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Sports
Milwaukee Brewers vs. St. Louis Cardinals
polymarket
kalshi

Who will win Milwaukee Brewers vs St. Louis Cardinals?

Volume:
$2,063,116

Milwaukee Brewers vs. St. Louis Cardinals

 - Polymarket

Milwaukee Brewers vs. St. Louis Cardinals - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 10, 2026

Closed: Jul 16, 7:45 PM EST

polymarket

Polymarket

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

Milwaukee Brewers vs. St. Louis Cardinals

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$1,515,809
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 11.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$328,053
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$87,442
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$75,101
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$12,561
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$12,003
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$11,439
N/A
N/A
N/A
Settled
Yes
kalshi

Milwaukee wins first 7 innings

100%
Yes 100¢No 0¢
100¢
N/A
$2,732
N/A
N/A
$2,167
Settled
Yes
polymarket

O/U 9.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$697
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$250
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -3.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$157
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$125
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

100%
Yes 100¢No 0¢
1¢
N/A
$119
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$38
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$31
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$31
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$28
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -2.5

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

Spread -4.5

0%
Yes 0¢No 100¢
—
N/A
$10,566
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 12.5

0%
Yes 0¢No 100¢
—
N/A
$2,108
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

0%
Yes 0¢No 100¢
—
N/A
$915
N/A
N/A
N/A
Settled
No
polymarket

Spread -5.5

0%
Yes 0¢No 100¢
—
N/A
$817
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -2.5

0%
Yes 0¢No 100¢
—
N/A
$514
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 13.5

0%
Yes 0¢No 100¢
—
N/A
$483
N/A
N/A
N/A
Settled
Yes
kalshi

Tie

0%
Yes 0¢No 100¢
100¢
N/A
$266
N/A
N/A
$266
Settled
No
Total markets: 25 of 30

Intro

This event group tracks the outcome of a single MLB matchup between the Milwaukee Brewers and St. Louis Cardinals, including moneyline, spread, totals, and inning-specific betting markets. The aggregated consensus across Polymarket and Kalshi shows 100.0% probability for the game occurring as scheduled. Resolution will be determined by official MLB records. Watch for the scheduled game on July 9, 2026 at 7:45 PM ET, as market resolution will depend on the final official result posted by MLB.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi's first-7-inning market conflates all three possible outcomes (Milwaukee win, St. Louis win, tie) into a single YES resolution, rendering it non-directional and inconsistent with standard prediction market design.Hero tip: Avoid the Kalshi first-7-inning market. It provides no predictive value because it resolves YES in all game-completion scenarios. Focus on Polymarket's directional markets (moneyline, spreads, totals) and first-5-inning variants, which offer clear win/loss/tie logic.

Critical divergence points:

  • Polymarket: All markets are directional with clear binary or ternary outcomes. Moneyline resolves to Milwaukee Brewers or St. Louis Cardinals. Spreads resolve based on margin (e.g., Milwaukee -1.5 requires 2+ run win). Totals resolve Over/Under based on combined runs. First-5-inning markets follow identical logic. Cancellation or no make-up game triggers 50-50 resolution. Quote: 'This market will resolve to Milwaukee Brewers if the Milwaukee Brewers win the game.'
  • Kalshi: First-7-inning market is non-directional: YES resolves for Milwaukee win, St. Louis win, or tie. No NO outcome exists unless game is canceled/postponed. This makes the market a binary game-completion indicator, not a predictive bet on first-7-inning performance. Quote: 'If Milwaukee wins the first 7 innings... then the market resolves to Yes. If St. Louis wins... then the market resolves to Yes. If Milwaukee and St. Louis tie... then the market resolves to Yes.'
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 Milwaukee Brewers and St. Louis Cardinals, scheduled for July 9 at 7:45PM ET: This market will resolve to "Milwaukee Brewers" if the Milwaukee Brewers win the game. This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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

The Milwaukee vs St. Louis game scheduled for July 9, 2026 at 7:45 PM EDT will be evaluated based on the score at the end of the first 7 innings. If Milwaukee leads after 7 innings, the Milwaukee outcome resolves to Yes and all other outcomes resolve to No. If St. Louis leads after 7 innings, the St. Louis outcome resolves to Yes and all other outcomes resolve to No. If the score is tied after 7 innings, the Tie outcome resolves to Yes and both team outcomes resolve to No. If the game is postponed or delayed, the market remains open and closes after the rescheduled game concludes within two days.

Frequently asked questions

This dashboard aggregates prediction market pricing for the Brewers vs. Cardinals matchup across Polymarket and Kalshi, letting you monitor real-time consensus on game outcomes. Traders on both platforms are pricing their views of who wins, and the cross-platform view reveals whether one venue is pricing the matchup differently than the other. You can track how odds shift as game time approaches, injury reports surface, or lineup changes emerge. The aggregated volume and price movements help you spot where smart money is positioning itself ahead of first pitch.

Prediction markets like Polymarket and Kalshi are often cited by researchers as accurate price discovery mechanisms because traders risk real capital on outcomes. Sportsbooks, by contrast, set odds to balance their book and lock in profit margins, which can create gaps versus true probability. Prediction market odds tend to reflect crowd belief more directly, while sportsbooks may shade lines based on public betting patterns. Comparing this market's odds to major sportsbooks can reveal value opportunities, though prediction markets typically have lower liquidity and wider spreads than established betting venues.

Polymarket and Kalshi operate under different regulatory frameworks and attract different trader demographics, which can lead to pricing divergence. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Polymarket may focus on full-game outcomes, while Kalshi's market structure emphasizes first-seven-innings results, creating distinct risk profiles. Liquidity depth, user base composition, and fee structures also influence how quickly each platform reprices in response to news. Monitoring both venues helps you identify arbitrage opportunities or confirm which interpretation of the matchup commands broader consensus.

Injury announcements, lineup confirmations, and weather updates are primary catalysts that shift odds in this market. Starting pitcher changes, bullpen availability, and recent team performance streaks also drive repricing. Betting flow from sharp money can signal where informed traders are positioning. Breaking news about player health or roster decisions often triggers rapid price movement on both platforms. Monitor team news feeds and sports injury reports in the days leading up to game time for the most impactful signals.