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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What will S&P 500 (SPY) hit Week of August 31 2026?
polymarket

What will S&P 500 (SPY) hit Week of August 31 2026?

Volume:
$62,836

↑ $770

 - Polymarket

↑ $770 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 4, 2026

Closed: Sep 3, 10:27 AM EST

polymarket

Polymarket

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

↑ $770

View
100%
57%
Yes 100¢No 0¢
0.1¢
N/A
$7,394
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $760

100%
51%
Yes 100¢No 0¢
0.1¢
N/A
$5,589
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $770

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,487
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $765

100%
42%
Yes 100¢No 0¢
0.1¢
N/A
$1,180
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $765

100%
Yes 100¢No 0¢
0.1¢
N/A
$802
N/A
N/A
N/A
Settled
Yes
polymarket

↑ $765

100%
Yes 100¢No 0¢
0.1¢
N/A
$782
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $770

100%
Yes 100¢No 0¢
0.1¢
N/A
$109
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $765

100%
Yes 100¢No 0¢
0.1¢
N/A
$43
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $755

0%
1%
Yes 0¢No 100¢
—
N/A
$10,216
N/A
N/A
N/A
Settled
No
polymarket

↓ $750

0%
3%
Yes 0¢No 100¢
—
N/A
$7,342
N/A
N/A
N/A
Settled
No
polymarket

↑ $775

0%
54%
Yes 0¢No 100¢
—
N/A
$6,254
N/A
N/A
N/A
Settled
No
polymarket

↑ $790

0%
5%
Yes 0¢No 100¢
—
N/A
$4,859
N/A
N/A
N/A
Settled
No
polymarket

↑ $785

0%
2%
Yes 0¢No 100¢
—
N/A
$4,244
N/A
N/A
N/A
Settled
No
polymarket

↑ $780

0%
13%
Yes 0¢No 100¢
—
N/A
$3,587
N/A
N/A
N/A
Settled
No
polymarket

↓ $745

0%
Yes 0¢No 100¢
—
N/A
$2,372
N/A
N/A
N/A
Settled
No
polymarket

↓ $765

0%
11%
Yes 0¢No 100¢
—
N/A
$1,666
N/A
N/A
N/A
Settled
No
polymarket

↓ $760

0%
4%
Yes 0¢No 100¢
—
N/A
$1,601
N/A
N/A
N/A
Settled
No
polymarket

↑ $800

0%
3%
Yes 0¢No 100¢
—
N/A
$1,153
N/A
N/A
N/A
Settled
No
polymarket

↓ $735

0%
7%
Yes 0¢No 100¢
—
N/A
$806
N/A
N/A
N/A
Settled
No
polymarket

↑ $795

0%
1%
Yes 0¢No 100¢
—
N/A
$714
N/A
N/A
N/A
Settled
No
polymarket

↓ $740

0%
Yes 0¢No 100¢
—
N/A
$637
N/A
N/A
N/A
Settled
No
Total markets: 21

Description

What will S&P 500 (SPY) hit Week of August 31 2026?

Polymarket

What will S&P 500 (SPY) hit Week of August 31 2026?

Frequently asked questions

Compared to traditional analyst forecasts, prediction market odds for this market often reflect a more immediate, crowd-sourced view of market expectations. While analysts may incorporate long-term economic models and valuations, traders on Polymarket price in real-time data, sentiment, and short-term catalysts. This can lead to divergence, especially around key events or surprises. Monitoring both sources together offers a richer picture of market positioning and potential shifts in outlook.

This market resolves around Sep 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result depends on whether the S&P 500 index meets the specified level during the week in question, and the platform will finalize the market based on publicly available data sources at that time.

Key signals that could shift this market include major economic reports such as GDP or jobs data, Federal Reserve policy decisions, unexpected corporate earnings surprises, geopolitical developments, or sudden shifts in market sentiment. Any event that meaningfully changes expectations for S&P 500 performance in the weeks leading up to resolution may cause traders to adjust their positions, moving the odds on Polymarket.