TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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S&P 500 (SPY) closes above ___ on September 18?
polymarket

S&P 500 (SPY) closes above ___ on September 18?

Volume:
$32,093

$755

 - Polymarket

$755 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 18, 2026

Closed: Sep 18, 4:20 PM EST

polymarket

Polymarket

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

$755

View
100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$15,041
N/A
N/A
N/A
Settled
Yes
polymarket

$760

View
100%
29%
Yes 100¢No 0¢
0.1¢
N/A
$8,331
N/A
N/A
N/A
Settled
Yes
polymarket

$750

View
100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$475
N/A
N/A
N/A
Settled
Yes
polymarket

$735

View
100%
5%
Yes 100¢No 0¢
0.1¢
N/A
$184
N/A
N/A
N/A
Settled
Yes
polymarket

$740

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$90
N/A
N/A
N/A
Settled
Yes
polymarket

$745

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

$765

View
0%
28%
Yes 0¢No 100¢
—
N/A
$4,869
N/A
N/A
N/A
Settled
No
polymarket

$770

View
0%
9%
Yes 0¢No 100¢
—
N/A
$2,576
N/A
N/A
N/A
Settled
No
polymarket

$785

View
0%
11%
Yes 0¢No 100¢
—
N/A
$224
N/A
N/A
N/A
Settled
No
polymarket

$775

View
0%
20%
Yes 0¢No 100¢
—
N/A
$141
N/A
N/A
N/A
Settled
No
polymarket

$780

View
0%
20%
Yes 0¢No 100¢
—
N/A
$82
N/A
N/A
N/A
Settled
No
Total markets: 11

Description

S&P 500 (SPY) closes above ___ on September 18?

Polymarket

S&P 500 (SPY) closes above ___ on September 18?