TOTAL VOLUME:
$54.4b
24H VOL:
$234,875,025
OPEN INTEREST:
$1,205,330,693
501,301
Markets across
13,585
events
MATCHED EVENTS:
1,825
PLATFORM COVERAGE:
4
Polymarket:
51%
VS.
Kalshi:
49%
What will S&P 500 (SPX) close at end of 2026?
Dec 23, 2025, 10:00 AM EST - Dec 31, 2026, 4:00 PM EST
Total volume:
$3,479,926
Volume 24h:
$23,524
86%
Liquidity:
$2,356
1%
Open interest:
$2,612,973
0.51%
Outcome
Chance %
Price
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
Trade
Description
These markets ask where the S&P 500 will close on the final trading day of December 2026. Kalshi offers granular 200-point brackets across the full range, while Polymarket segments the market into five broader price bands ($6,000-$7,000, $7,000-$7,500, $7,500-$8,000, >$8,000, and <$6,000). Both use the official closing price on December 31, 2026 at 4pm EST as the settlement value.
Created at:Feb 12, 2026, 6:34 PM GMT+0
Updated at:May 25, 2026, 1:21 PM GMT+0
Event ID:148015
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