The S&P 500 closed at 7,764.70 on September 21, 2026, near its record high of 7,816.70, following a 1.49% daily gain amid resilient corporate earnings and AI-driven investment. The Federal Reserve’s September 16 decision to raise the federal funds rate by 25 basis points to a 3.75–4.00% target range, citing elevated core PCE inflation near 3.4% for 2026, has reinforced tighter monetary policy expectations. Real GDP growth projections hover around 2.3% for the year, supported by productivity gains but tempered by higher Treasury yields. With three months remaining until year-end, upcoming FOMC communications, inflation releases, and earnings reports will shape trader sentiment on whether the index sustains momentum or encounters resistance from valuation compression and policy restraint.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$374,551 Vol.
↑ $10,000
3%
↑ $9,300
5%
↑ $9,000
10%
↑ $8,600
10%
↑ $8,200
28%
↑ $8,000
47%
↓ $7,400
51%
↓ $7,200
35%
↓ $7,000
24%
↓ $6,200
9%
↓ $6,000
7%
↓ $5,800
7%
↓ $5,200
3%
↓ $4,500
3%
$374,551 Vol.
↑ $10,000
3%
↑ $9,300
5%
↑ $9,000
10%
↑ $8,600
10%
↑ $8,200
28%
↑ $8,000
47%
↓ $7,400
51%
↓ $7,200
35%
↓ $7,000
24%
↓ $6,200
9%
↓ $6,000
7%
↓ $5,800
7%
↓ $5,200
3%
↓ $4,500
3%
All prices recorded during regular trading hours of the primary exchange for the instrument, as reflected in Yahoo Finance's 1-minute interval ("1m") data, will be considered.
Periods when the market is officially closed (e.g., holidays or maintenance breaks) will not be considered.
All times referenced are local to the primary exchange on which the index trades.
The resolution source for this market is Yahoo Finance — specifically, the 1-minute interval ("1m") chart data for S&P 500 (SPX) available at https://finance.yahoo.com/quote/%5EGSPC/. If, at market close on the final day of trading of December 2026, price data is unavailable from Yahoo Finance for any relevant period, price data from Wall Street Journal Markets, Google Finance, and Market Watch will be used, in that order. If price data is not available for the relevant period from any of these sources by December 31, 2026, 11:59 PM ET, this market will resolve based on the available data at that time.
Market Opened: Aug 13, 2026, 12:44 PM ET
Resolution Source
https://finance.yahoo.com/quote/%5EGSPC/Resolver
0x65070BE91...All prices recorded during regular trading hours of the primary exchange for the instrument, as reflected in Yahoo Finance's 1-minute interval ("1m") data, will be considered.
Periods when the market is officially closed (e.g., holidays or maintenance breaks) will not be considered.
All times referenced are local to the primary exchange on which the index trades.
The resolution source for this market is Yahoo Finance — specifically, the 1-minute interval ("1m") chart data for S&P 500 (SPX) available at https://finance.yahoo.com/quote/%5EGSPC/. If, at market close on the final day of trading of December 2026, price data is unavailable from Yahoo Finance for any relevant period, price data from Wall Street Journal Markets, Google Finance, and Market Watch will be used, in that order. If price data is not available for the relevant period from any of these sources by December 31, 2026, 11:59 PM ET, this market will resolve based on the available data at that time.
Resolution Source
https://finance.yahoo.com/quote/%5EGSPC/Resolver
0x65070BE91...The S&P 500 closed at 7,764.70 on September 21, 2026, near its record high of 7,816.70, following a 1.49% daily gain amid resilient corporate earnings and AI-driven investment. The Federal Reserve’s September 16 decision to raise the federal funds rate by 25 basis points to a 3.75–4.00% target range, citing elevated core PCE inflation near 3.4% for 2026, has reinforced tighter monetary policy expectations. Real GDP growth projections hover around 2.3% for the year, supported by productivity gains but tempered by higher Treasury yields. With three months remaining until year-end, upcoming FOMC communications, inflation releases, and earnings reports will shape trader sentiment on whether the index sustains momentum or encounters resistance from valuation compression and policy restraint.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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