The S&P 500 Opens Higher on August 11 but Closes Down on the Day
Source: Polymarket market “S&P 500 (SPY) closes above ___ on August 11?”
virtually certain (100%)
Leading outcome
$750 100%
Virtually certain · A
24h move
▲
3.6 pts
$750
Traded 24h
$21K
$21K all time
Resolves by
2026-08-11
Today
Source markets
6
6 markets · mixed
Where the money stands
$750
100%
▲
3.6
$760
98%
▲
5.0
$765
98%
▲
9.9
$755
97%
▲
0.5
$770
83%
▲
12.0
$795
10%
▲
9.2
Source markets for this story
S&P price on Aug 11, 2026 at 4pm EDT?
Kalshi · 7,605 or above 100%
S&P price range on Aug 11, 2026 at 4pm EDT?
Kalshi · 7,725 to 7,749.9999 77%
S&P 500 (SPX) Up or Down on August 11?
Polymarket · Yes 1% · -51.4 24h
SPY (SPY) Up or Down on August 11?
Polymarket · Yes 1% · -49.6 24h
S&P 500 (SPX) Opens Up or Down on August 11?
Polymarket · Yes 100% · +44.0 24h
S&P 500 (SPY) closes above ___ on August 11?
Polymarket · $750 100% · +3.6 24h
Get an alert when Sp500 Daily moves.
The Front Page, every morning — what the markets believe about the world.