TOTAL VOLUME:

$114.5b

24H VOL:

$149,897,520

24H TRANSACTIONS:

1,380,975,298

OPEN INTEREST:

$1,214,596,905

340,805

Markets across

34,373

events

MATCHED EVENTS:

4,679

PLATFORM COVERAGE:

5

Polymarket:

42%

VS.

Kalshi:

58%

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S&P 500 (SPY) closes above ___ on August 24?
polymarket
opinion

S&P 500 (SPY) closes above ___ on August 24?

Aug 21, 2026, 8:00 AM EST - Aug 24, 2026, 4:00 PM EST
Total volume:
$20,043
Volume 24h:
$18,250
3,616%
Liquidity:
$0
100%
Open interest:
$11,387N/A

$760

all

2 markets

Polymarket

Opinion

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Aug 24, 2026

Closed: Aug 24, 4:17 PM EST

polymarket

Polymarket

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

$760

View
100%
8%
Yes 100¢No
0.1¢
N/A
$3,080
N/A
N/A
N/A
0d 0h 0m
Yes
opinion

760

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$755

100%
6%
Yes 100¢No
0.1¢
N/A
$275
N/A
N/A
N/A
0d 0h 0m
Yes
opinion

755

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$750

100%
Yes 100¢No
0.1¢
N/A
$238
N/A
N/A
N/A
0d 0h 0m
Yes
opinion

750

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$745

100%
4%
Yes 100¢No
0.1¢
N/A
$186
N/A
N/A
N/A
0d 0h 0m
Yes
opinion

745

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$740

100%
1%
Yes 100¢No
0.1¢
N/A
$87
N/A
N/A
N/A
0d 0h 0m
Yes
opinion

740

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$765

0%
94%
Yes No 100¢
N/A
$11,202
N/A
N/A
N/A
0d 0h 0m
No
opinion

765

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$770

0%
16%
Yes No 100¢
N/A
$3,129
N/A
N/A
N/A
0d 0h 0m
No
opinion

770

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$790

0%
Yes No 100¢
N/A
$555
N/A
N/A
N/A
0d 0h 0m
No
opinion

790

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$775

0%
27%
Yes No 100¢
N/A
$515
N/A
N/A
N/A
0d 0h 0m
No
opinion

775

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$785

0%
14%
Yes No 100¢
N/A
$497
N/A
N/A
N/A
0d 0h 0m
No
opinion

785

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
polymarket

$780

0%
21%
Yes No 100¢
N/A
$280
N/A
N/A
N/A
0d 0h 0m
No
opinion

780

N/A
N/A
N/A
N/A
N/A
N/A
N/A
0d 0h 0m
No
Total markets: 22

Description

This group of markets resolves based on whether the S&P 500 (SPY) closes above a specified price threshold on August 24, 2026. Each market has a different threshold, and the outcome depends on the actual closing price of SPY on that date.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

Both Polymarket and Opinion use Pyth as the primary resolution source with identical logic for determining 'Yes' or 'No' outcomes, including handling of ties, non-trading days, and corporate actions.Primary resolution logic: Pyth

Core resolution logic:

  • The market resolves to 'Yes' if SPY's closing price on August 24, 2026 is strictly above the listed threshold
  • Exact equality to the threshold resolves as 'No'
  • If SPY does not trade on August 24, the market resolves 50-50
  • Corporate actions like stock splits are adjusted for using Pyth data

Edge cases & clarifications:

  • Non-trading day: If August 24 is not a trading day, the market resolves 50-50
  • System outage: If Pyth has no valid closing price, the official closing price from the primary exchange is used
Timing: Resolution occurs after the close of trading on August 24, 2026, based on Pyth dataOur PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

S&P 500 (SPY) closes above ___ on August 24?

Opinion

This market will resolve to "Yes" if the official "Close" price for SPY (SPY) on the trading day specified in the title is strictly higher than the price specified in the title. A "Close" exactly equal to the specified price resolves to "No". If the market is not open on the specified day (exchange holiday or unscheduled closure), or SPY (SPY) does not trade at all during that day's regular session, this market resolves 50-50 — each side is paid at half value; this is not a refund. In the event of a stock split, reverse stock split, or similar corporate action affecting SPY (SPY), this market resolves on split-adjusted prices, and the price specified in the title is adjusted proportionally. The resolution source for this market is Yahoo Finance, specifically the SPY (SPY) "Close" prices available at https://finance.yahoo.com/quote/SPY/ under "Historical Prices". If that data is unavailable due to an outage or other technical disruption, the official price published by the primary exchange on which SPY (SPY) trades governs.