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 price on Sep 21, 2026 at 3pm EDT?
kalshi

S&P price on Sep 21, 2026 at 3pm EDT?

Volume:
$106,813

7,765 or above

 - Kalshi

7,765 or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 21, 2026

Closed: Sep 21, 3:00 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

7,765 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$35,785
N/A
N/A
$28,282
Settled
Yes
kalshi

7,760 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$20,406
N/A
N/A
$17,792
Settled
Yes
kalshi

7,770 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$8,802
N/A
N/A
$2,446
Settled
Yes
kalshi

7,750 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,974
N/A
N/A
$2,782
Settled
Yes
kalshi

7,755 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,577
N/A
N/A
$2,035
Settled
Yes
kalshi

7,725 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$750
N/A
N/A
$264
Settled
Yes
kalshi

7,715 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$686
N/A
N/A
$250
Settled
Yes
kalshi

7,740 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$670
N/A
N/A
$434
Settled
Yes
kalshi

7,710 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$547
N/A
N/A
$237
Settled
Yes
kalshi

7,720 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$488
N/A
N/A
$206
Settled
Yes
kalshi

7,735 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$436
N/A
N/A
$340
Settled
Yes
kalshi

7,730 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$424
N/A
N/A
$284
Settled
Yes
kalshi

7,745 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$387
N/A
N/A
$387
Settled
Yes
kalshi

7,705 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$362
N/A
N/A
$277
Settled
Yes
kalshi

7,675 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$217
N/A
N/A
$217
Settled
Yes
kalshi

7,690 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$208
N/A
N/A
$208
Settled
Yes
kalshi

7,695 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$208
N/A
N/A
$208
Settled
Yes
kalshi

7,685 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$134
N/A
N/A
$134
Settled
Yes
kalshi

7,640 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$122
N/A
N/A
$121
Settled
Yes
kalshi

7,680 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$119
N/A
N/A
$119
Settled
Yes
kalshi

7,610 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$116
N/A
N/A
$116
Settled
Yes
kalshi

7,700 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$116
N/A
N/A
$116
Settled
Yes
kalshi

7,630 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$116
N/A
N/A
$115
Settled
Yes
kalshi

7,660 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$115
N/A
N/A
$115
Settled
Yes
kalshi

7,650 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$112
N/A
N/A
$112
Settled
Yes
Total markets: 25 of 70

Description

This set of markets tracks potential future performance of a major stock market index on a specific date and time. Each market represents a different threshold value that the index must exceed to settle positively. The outcomes reflect investor expectations about economic conditions, corporate earnings, and broader financial trends over the specified period.

Kalshi

All markets share identical secondary rules and resolution mechanics. Each market closes on September 21, 2026, and expires either when the index value is officially released or one week after the closing date, whichever occurs first. Resolution depends solely on whether the S&P 500 index value at exactly 3pm EDT on September 21, 2026 exceeds the specific threshold defined in each market's primary rule. The Exchange has applied standardized modifications to source agency and underlying definitions for all index-based markets per the Kalshi Rulebook.