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%
Closed: Aug 20, 1:33 PM EST
Polymarket
What will S&P 500 (SPY) hit Week of August 17 2026?
What will S&P 500 (SPY) hit Week of August 17 2026?
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.