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%

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S&P price on Sep 28, 2026 at 4pm EDT?
kalshi

S&P price on Sep 28, 2026 at 4pm EDT?

Volume:
$684,546

7,680 or above

 - Kalshi

7,680 or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 29, 2026

Closed: Sep 28, 4:00 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

7,680 or above

View
100%
8%
Yes 100¢No 0¢
100¢
N/A
$76,140
N/A
N/A
$71,058
Settled
Yes
kalshi

7,665 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$7,470
N/A
N/A
$5,436
Settled
Yes
kalshi

7,675 or above

View
100%
15%
Yes 100¢No 0¢
100¢
N/A
$6,760
N/A
N/A
$2,178
Settled
Yes
kalshi

7,660 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$6,243
N/A
N/A
$5,926
Settled
Yes
kalshi

7,650 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$4,755
N/A
N/A
$4,615
Settled
Yes
kalshi

7,670 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$3,352
N/A
N/A
$2,294
Settled
Yes
kalshi

7,610 or above

View
100%
1%
Yes 100¢No 0¢
100¢
N/A
$288
N/A
N/A
$288
Settled
Yes
kalshi

7,550 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$187
N/A
N/A
$187
Settled
Yes
kalshi

7,645 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$161
N/A
N/A
$157
Settled
Yes
kalshi

7,620 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$148
N/A
N/A
$147
Settled
Yes
kalshi

7,640 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$148
N/A
N/A
$144
Settled
Yes
kalshi

7,625 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$136
N/A
N/A
$108
Settled
Yes
kalshi

7,635 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$125
N/A
N/A
$121
Settled
Yes
kalshi

7,630 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$113
N/A
N/A
$110
Settled
Yes
kalshi

7,615 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$106
N/A
N/A
$106
Settled
Yes
kalshi

7,655 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$59
N/A
N/A
$39
Settled
Yes
kalshi

7,600 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$17
N/A
N/A
$17
Settled
Yes
kalshi

7,715 or above

View
0%
71%
Yes 0¢No 100¢
100¢
N/A
$146,083
N/A
N/A
$70,174
Settled
No
kalshi

7,685 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$133,793
N/A
N/A
$101,265
Settled
No
kalshi

7,690 or above

View
0%
91%
Yes 0¢No 100¢
100¢
N/A
$68,893
N/A
N/A
$48,497
Settled
No
kalshi

7,730 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$56,966
N/A
N/A
$51,505
Settled
No
kalshi

7,705 or above

View
0%
76%
Yes 0¢No 100¢
100¢
N/A
$51,893
N/A
N/A
$23,759
Settled
No
kalshi

7,695 or above

View
0%
81%
Yes 0¢No 100¢
100¢
N/A
$39,278
N/A
N/A
$29,027
Settled
No
kalshi

7,710 or above

View
0%
74%
Yes 0¢No 100¢
100¢
N/A
$27,321
N/A
N/A
$24,395
Settled
No
kalshi

7,700 or above

View
0%
82%
Yes 0¢No 100¢
100¢
N/A
$24,048
N/A
N/A
$16,764
Settled
No
Total markets: 25 of 60

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 as 'Yes', allowing participants to speculate on various levels of market performance.

Kalshi

All markets share identical secondary rules and resolution mechanics. Each market resolves to 'Yes' only if the S&P 500 index value at 4pm EDT on September 28, 2026 exceeds a specific threshold defined in its primary rule. Markets close on the event date and expire either when the index value is officially released or one week after the close, whichever comes first. The exchange has standardized data sources and underlying definitions for all index-based markets as noted in the rulebook modifications, ensuring consistent valuation across all thresholds.