TOTAL VOLUME:

$134.2b

24H VOL:

$134,145,987

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,441,166,947

406,422

Markets across

30,383

events

MATCHED EVENTS:

2,688

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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S&P price on Sep 28, 2026 at 12pm EDT?
kalshi

S&P price on Sep 28, 2026 at 12pm EDT?

Volume:
$374,827

7,680 or above

 - Kalshi

7,680 or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 28, 2026

Closed: Sep 28, 12:00 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%
Yes 100¢No 0¢
100¢
N/A
$172,628
N/A
N/A
$57,580
Settled
Yes
kalshi

7,675 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$30,943
N/A
N/A
$12,017
Settled
Yes
kalshi

7,670 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$16,670
N/A
N/A
$5,954
Settled
Yes
kalshi

7,665 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$13,317
N/A
N/A
$11,363
Settled
Yes
kalshi

7,660 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$10,458
N/A
N/A
$10,340
Settled
Yes
kalshi

7,650 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$5,479
N/A
N/A
$5,405
Settled
Yes
kalshi

7,655 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$5,067
N/A
N/A
$5,057
Settled
Yes
kalshi

7,645 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$5,004
N/A
N/A
$5,002
Settled
Yes
kalshi

7,640 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$192
N/A
N/A
$102
Settled
Yes
kalshi

7,635 or above

View
100%
Yes 100¢No 0¢
100¢
N/A
$178
N/A
N/A
$178
Settled
Yes
kalshi

7,685 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$97,652
N/A
N/A
$3,617
Settled
No
kalshi

7,690 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$10,127
N/A
N/A
$5,482
Settled
No
kalshi

7,695 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$5,478
N/A
N/A
$5,273
Settled
No
kalshi

7,705 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$849
N/A
N/A
$684
Settled
No
kalshi

7,700 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$356
N/A
N/A
$249
Settled
No
kalshi

7,755 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$64
N/A
N/A
$64
Settled
No
kalshi

7,715 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$58
N/A
N/A
$34
Settled
No
kalshi

7,740 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$48
N/A
N/A
$48
Settled
No
kalshi

7,795 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$41
N/A
N/A
$41
Settled
No
kalshi

7,815 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$41
N/A
N/A
$41
Settled
No
kalshi

7,800 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$38
N/A
N/A
$38
Settled
No
kalshi

7,780 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$36
N/A
N/A
$36
Settled
No
kalshi

7,790 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$36
N/A
N/A
$36
Settled
No
kalshi

7,710 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$10
N/A
N/A
$10
Settled
No
kalshi

7,720 or above

View
0%
Yes 0¢No 100¢
100¢
N/A
$10
N/A
N/A
$10
Settled
No
Total markets: 25 of 60

Description

This set of markets tracks the performance of a major stock market index at a specific future date and time. Each market represents a different threshold value that the index must exceed to settle, allowing participants to speculate on various potential outcomes for the index's level on that day.

Kalshi

All markets resolve based on the S&P 500 index value at 12pm EDT on September 28, 2026. Each market has a specific threshold: if the index closes above the threshold (rounded down to four decimal places), the market resolves to Yes; otherwise, it resolves to No. All markets close on September 28, 2026, and expire either when the index value is first officially released or one week after the close date, whichever comes first. The Exchange has applied modifications to the Source Agency and Underlying for index markets as per the Kalshi Rulebook.