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 500 (SPY) closes above ___ on September 8?
polymarket

S&P 500 (SPY) closes above ___ on September 8?

Volume:
$10,053

$765

 - Polymarket

$765 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 8, 2026

Closed: Sep 8, 4:16 PM EST

polymarket

Polymarket

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

$765

View
100%
16%
Yes 100¢No 0¢
0.1¢
N/A
$3,111
N/A
N/A
N/A
Settled
Yes
polymarket

$760

100%
3%
Yes 100¢No 0¢
0.1¢
N/A
$1,332
N/A
N/A
N/A
Settled
Yes
polymarket

$750

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$198
N/A
N/A
N/A
Settled
Yes
polymarket

$755

100%
Yes 100¢No 0¢
0.1¢
N/A
$164
N/A
N/A
N/A
Settled
Yes
polymarket

$770

0%
51%
Yes 0¢No 100¢
—
N/A
$4,197
N/A
N/A
N/A
Settled
No
polymarket

$800

0%
1%
Yes 0¢No 100¢
—
N/A
$241
N/A
N/A
N/A
Settled
No
polymarket

$795

0%
Yes 0¢No 100¢
—
N/A
$202
N/A
N/A
N/A
Settled
No
polymarket

$775

0%
9%
Yes 0¢No 100¢
—
N/A
$194
N/A
N/A
N/A
Settled
No
polymarket

$785

0%
2%
Yes 0¢No 100¢
—
N/A
$189
N/A
N/A
N/A
Settled
No
polymarket

$790

0%
5%
Yes 0¢No 100¢
—
N/A
$136
N/A
N/A
N/A
Settled
No
polymarket

$780

0%
3%
Yes 0¢No 100¢
—
N/A
$88
N/A
N/A
N/A
Settled
No
Total markets: 11

Description

S&P 500 (SPY) closes above ___ on September 8?

Polymarket

S&P 500 (SPY) closes above ___ on September 8?

Frequently asked questions

On Polymarket, the dashboard for the S&P 500 closing price market displays the current implied probability of the S&P 500 closing above a specific price on September 8. You'll find a price chart showing how the market has traded over time, alongside the current trading volume. The platform also shows the 24-hour volume, giving you a sense of recent activity. Currently, the trading volume for this market is $8,194, and the total volume is $9,349. The dashboard provides a clear view of how traders are assessing the likelihood of this outcome.

Currently, the implied probability on Polymarket suggests a strong expectation that the S&P 500 will close above the specified price on September 8. This contrasts with typical analyst forecasts, which often present a range of potential outcomes with associated probabilities. While analysts consider a broader set of economic indicators and models, this market reflects the collective judgment of traders willing to put capital behind their beliefs. It's important to note that prediction market prices are forward-looking and can rapidly adjust to new information, potentially offering a different perspective than traditional forecasts.

This market resolves around Sep 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official closing price of the S&P 500 index on September 8, as reported by a widely recognized financial data provider. The outcome will be a simple binary determination: did the S&P 500 close above the specified price, or did it not? Traders will then be able to claim their winnings or settle their losing positions based on the final result.

Several factors could significantly influence this market before Sep 8, 2026. Major economic data releases, such as inflation reports or employment figures, could shift investor sentiment and impact the S&P 500’s trajectory. Unexpected geopolitical events or corporate earnings surprises could also trigger substantial market movements. Furthermore, any news related to Federal Reserve policy, particularly regarding interest rate adjustments, is likely to be closely watched by traders and could cause the price of this market to fluctuate. Changes in overall market risk appetite could also play a role.