TOTAL VOLUME:

$134.2b

24H VOL:

$130,522,377

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,438,389,636

404,028

Markets across

30,214

events

MATCHED EVENTS:

2,681

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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San Diego Padres vs. St. Louis Cardinals
polymarket
kalshi
predict

San Diego Padres vs. St. Louis Cardinals

Volume:
$4,128,224

St. Louis

all

3 markets

Kalshi

Polymarket

Predict

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 16, 2026

Closed: Jun 15, 10:00 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

St. Louis

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,255,224
N/A
N/A
$845,115
Settled
Yes
polymarket

San Diego Padres vs. St. Louis Cardinals

View
0%
Yes 0¢No 100¢
—
N/A
$689,329
N/A
N/A
N/A
Settled
Yes
predict

San Diego Padres vs. St. Louis Cardinals

View
N/A
N/A
—
$749
$1,540
N/A
N/A
N/A
Settled
No
polymarket

Spread -2.5

View
100%
Yes 100¢No 0¢
1¢
N/A
$26,117
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$20,850
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$105
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

View
100%
Yes 100¢No 0¢
1¢
N/A
$34
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -2.5

View
100%
Yes 100¢No 0¢
1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
kalshi

San Diego

View
0%
Yes 0¢No 100¢
100¢
N/A
$2,052,900
N/A
N/A
$1,196,067
Settled
No
polymarket

O/U 8.5

View
0%
Yes 0¢No 100¢
—
N/A
$36,009
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

View
0%
Yes 0¢No 100¢
—
N/A
$20,037
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

View
0%
Yes 0¢No 100¢
—
N/A
$12,486
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -3.5

View
0%
Yes 0¢No 100¢
—
N/A
$7,532
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

View
0%
Yes 0¢No 100¢
—
N/A
$2,298
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

View
0%
Yes 0¢No 100¢
—
N/A
$1,586
N/A
N/A
N/A
Settled
No
polymarket

Spread -1.5

View
0%
Yes 0¢No 100¢
—
N/A
$884
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -4.5

View
0%
Yes 0¢No 100¢
—
N/A
$615
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$292
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -3.5

View
0%
Yes 0¢No 100¢
—
N/A
$164
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

View
0%
Yes 0¢No 100¢
—
N/A
$83
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

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

1st 5 Innings O/U 3.5

View
0%
Yes 0¢No 100¢
—
N/A
$30
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 11.5

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

1st 5 Innings O/U 4.5

View
0%
Yes 0¢No 100¢
—
N/A
$16
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

View
0%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 29

Intro

This market tracks whether the San Diego Padres versus St. Louis Cardinals game scheduled for June 15, 2026 will extend beyond nine innings. Across Polymarket, Kalshi, and Predict, the aggregated consensus shows a 99.0% probability that the game will go to extra innings. Resolution is determined by official MLB final statistics. Watch for the game outcome on June 15, 2026 at 7:45 PM ET to see whether the matchup requires additional innings to determine a winner.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi's game winner market contains a logical contradiction where both possible outcomes (San Diego win and St. Louis win) are stated to resolve to Yes, making the market fundamentally unresolvable as a binary contract.Hero tip: Disregard Kalshi's winner market due to the logical error in its resolution criteria. Trade the winner outcome on Polymarket or Predict instead, where the binary logic is sound. The first-inning run markets across all platforms are consistent and safe to trade.

Critical divergence points:

  • Polymarket & Predict: Binary winner market: resolves to San Diego Padres if Padres win, resolves to St. Louis Cardinals if Cardinals win. Tie or cancellation with no makeup resolves 50-50. Primary source: official MLB final statistics within 24 hours, or credible reporting consensus.
  • Kalshi: Contradictory logic: states If San Diego wins resolves to Yes AND If St. Louis wins resolves to Yes. No resolution path for a No outcome is defined, creating a logical impossibility for a binary market structure.
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 San Diego Padres and St. Louis Cardinals, scheduled for June 15 at 7:45PM ET: This market will resolve to "San Diego Padres" if the San Diego Padres 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

This event resolves based on the outcome of the San Diego vs St. Louis professional baseball game originally scheduled for June 15, 2026 at 7:45 PM EDT. If the game is postponed or delayed, markets remain open and close after the rescheduled game concludes within two days. If the game is cancelled or rescheduled to more than two days away, markets resolve to a fair price in accordance with standard rules.

Predict

In the upcoming MLB game between the San Diego Padres and St. Louis Cardinals, scheduled for June 15 at 7:45PM ET: This market will resolve to "San Diego Padres" if the San Diego Padres 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.

Frequently asked questions

Prediction markets like Polymarket and Kalshi operate independently of traditional sportsbooks, often reflecting different trader bases and risk appetites. Sportsbooks set odds to balance liability and extract margin; prediction markets aggregate beliefs of decentralized traders with real money at stake. For the Padres-Cardinals matchup, sportsbook lines may emphasize injury reports and Vegas models, while prediction markets may react faster to social sentiment or sharp trader positioning. Comparing the two can reveal arbitrage opportunities or signal where professional and retail opinion diverge most sharply.

Key catalysts include roster changes such as injuries to star players, trades, or roster callups on either side. Bullpen depth and recent form matter heavily in close matchups. Weather conditions at the stadium can favor hitters or pitchers. Recent head-to-head performance and momentum streaks often shift trader sentiment. Lineup announcements and starting pitcher confirmation typically trigger sharp price moves. Off-field news such as managerial decisions or team morale reports may also influence market odds. Monitor sports news and team social media in the final hours before game time for last-minute developments.