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%

BETA
Dashboards
Tour
All
Sports
Washington Nationals vs. St. Louis Cardinals
polymarket

Who will win Washington Nationals vs St. Louis Cardinals?

Volume:
$242,281

O/U 7.5

 - Polymarket

O/U 7.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 19, 2026

Closed: Sep 18, 9:40 PM EST

polymarket

Polymarket

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

O/U 7.5

View
100%
49%
Yes 100¢No 0¢
0.1¢
N/A
$94,477
N/A
N/A
N/A
Settled
Yes
polymarket

Washington Nationals vs. St. Louis Cardinals

100%
52%
Yes 100¢No 0¢
0.1¢
N/A
$92,450
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

100%
74%
Yes 100¢No 0¢
0.1¢
N/A
$6,464
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

100%
64%
Yes 100¢No 0¢
0.1¢
N/A
$5,315
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,726
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -7.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$456
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

100%
57%
Yes 100¢No 0¢
0.1¢
N/A
$321
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

100%
55%
Yes 100¢No 0¢
0.1¢
N/A
$210
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -4.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$210
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -6.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$79
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -5.5

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

1st 5 Innings O/U 4.5

100%
55%
Yes 100¢No 0¢
0.1¢
N/A
$18
N/A
N/A
N/A
Settled
Yes
polymarket

Washington Nationals O/U 3.5

100%
47%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

100%
41%
Yes 100¢No 0¢
0.1¢
N/A
$9
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -3.5

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

O/U 11.5

0%
Yes 0¢No 100¢
—
N/A
$17,849
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -8.5

0%
Yes 0¢No 100¢
—
N/A
$15,054
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$4,421
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -9.5

0%
Yes 0¢No 100¢
—
N/A
$1,200
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 12.5

0%
Yes 0¢No 100¢
—
N/A
$1,097
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
33%
Yes 0¢No 100¢
—
N/A
$676
N/A
N/A
N/A
Settled
Yes
polymarket

St. Louis Cardinals O/U 2.5

0%
99%
Yes 0¢No 100¢
—
N/A
$152
N/A
N/A
N/A
Settled
Yes
polymarket

St. Louis Cardinals O/U 5.5

0%
99%
Yes 0¢No 100¢
—
N/A
$27
N/A
N/A
N/A
Settled
Yes
polymarket

St. Louis Cardinals O/U 4.5

0%
99%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

St. Louis Cardinals O/U 3.5

0%
51%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 37

Description

In the upcoming MLB game between the Washington Nationals and St. Louis Cardinals, scheduled for September 18 at 8:15PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals 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.

Polymarket

In the upcoming MLB game between the Washington Nationals and St. Louis Cardinals, scheduled for September 18 at 8:15PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals 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.