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 17 2026?
polymarket

What will S&P 500 (SPY) hit Week of August 17 2026?

Volume:
$29,347

↓ $765

 - Polymarket

↓ $765 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 21, 2026

Closed: Aug 20, 1:33 PM EST

polymarket

Polymarket

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

↓ $765

View
100%
40%
Yes 100¢No 0¢
0.1¢
N/A
$3,920
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $770

100%
36%
Yes 100¢No 0¢
0.1¢
N/A
$1,968
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $775

100%
Yes 100¢No 0¢
0.1¢
N/A
$967
N/A
N/A
N/A
Settled
Yes
polymarket

↓ $760

0%
60%
Yes 0¢No 100¢
—
N/A
$5,669
N/A
N/A
N/A
Settled
No
polymarket

↑ $780

0%
13%
Yes 0¢No 100¢
—
N/A
$5,338
N/A
N/A
N/A
Settled
No
polymarket

↑ $790

0%
5%
Yes 0¢No 100¢
—
N/A
$2,425
N/A
N/A
N/A
Settled
No
polymarket

↑ $785

0%
2%
Yes 0¢No 100¢
—
N/A
$2,262
N/A
N/A
N/A
Settled
No
polymarket

↑ $810

0%
Yes 0¢No 100¢
—
N/A
$1,338
N/A
N/A
N/A
Settled
No
polymarket

↑ $805

0%
4%
Yes 0¢No 100¢
—
N/A
$1,283
N/A
N/A
N/A
Settled
No
polymarket

↑ $795

0%
2%
Yes 0¢No 100¢
—
N/A
$1,232
N/A
N/A
N/A
Settled
No
polymarket

↓ $755

0%
17%
Yes 0¢No 100¢
—
N/A
$1,223
N/A
N/A
N/A
Settled
No
polymarket

↓ $745

0%
Yes 0¢No 100¢
—
N/A
$843
N/A
N/A
N/A
Settled
No
polymarket

↓ $750

0%
4%
Yes 0¢No 100¢
—
N/A
$596
N/A
N/A
N/A
Settled
No
polymarket

↑ $800

0%
2%
Yes 0¢No 100¢
—
N/A
$284
N/A
N/A
N/A
Settled
No
Total markets: 14

Description

What will S&P 500 (SPY) hit Week of August 17 2026?

Polymarket

What will S&P 500 (SPY) hit Week of August 17 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 provide detailed reports based on economic indicators and corporate earnings, traders in this market price in their best guess of the S&P 500’s weekly high based on current momentum, news flow, and technical patterns. The difference can reveal whether the market is more bullish or cautious than institutional outlooks, often reacting faster to new information.

This market resolves around Aug 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is based on the highest closing level the S&P 500 reaches during the week of August 17, 2026, and will be finalized when official market data for that period is universally available.

Several signals could shift this market before it resolves, including major economic announcements such as Fed policy decisions, unexpected swings in market volatility, or strong earnings seasons that push broader indices higher. Geopolitical developments, sudden shifts in investor sentiment, or technical breakouts in key indices may also cause rapid repricing. Traders will watch these events closely, as each has the potential to alter expectations for the S&P 500’s weekly high.