TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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

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

Volume:
$152,644

$735

 - Polymarket

$735 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved May 18, 2026

Closed: May 18, 4:00 PM EST

polymarket

Polymarket

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

$735

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$60,648
N/A
N/A
N/A
Settled
Yes
polymarket

$730

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$10,145
N/A
N/A
N/A
Settled
Yes
polymarket

$725

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$5,010
N/A
N/A
N/A
Settled
Yes
polymarket

$715

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$3,006
N/A
N/A
N/A
Settled
Yes
polymarket

$720

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$2,691
N/A
N/A
N/A
Settled
Yes
polymarket

$740

View
0%
Yes 0¢No 100¢
—
N/A
$32,747
N/A
N/A
N/A
Settled
No
polymarket

$745

View
0%
Yes 0¢No 100¢
—
N/A
$20,214
N/A
N/A
N/A
Settled
No
polymarket

$755

View
0%
Yes 0¢No 100¢
—
N/A
$7,062
N/A
N/A
N/A
Settled
No
polymarket

$750

View
0%
Yes 0¢No 100¢
—
N/A
$5,158
N/A
N/A
N/A
Settled
No
polymarket

$760

View
0%
Yes 0¢No 100¢
—
N/A
$4,373
N/A
N/A
N/A
Settled
No
polymarket

$765

View
0%
Yes 0¢No 100¢
—
N/A
$1,589
N/A
N/A
N/A
Settled
No
Total markets: 11

Description

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