Polymarket traders are pricing a 55% implied probability for the S&P 500 closing above 5,300 by March 31, reflecting optimism from cooling inflation signals and robust corporate earnings momentum, with the index hovering near 5,280 amid record highs. Key drivers include February CPI at 3.2% year-over-year—below expectations—bolstering Fed rate cut bets for June (90% odds per CME FedWatch), while mega-cap tech like Nvidia sustains rally leadership. However, risks loom from upcoming PCE inflation data on March 29 and FOMC March 19-20 meeting, where hawkish tones could cap upside; historical precedent shows SPX averaging +1.2% in March post-pivot years, underscoring trader caution on overbought conditions.
Experimental AI-generated summary referencing Polymarket data · Updated$391,837 Vol.
↑ $8,000
<1%
↑ $7,500
<1%
↑ $7,300
1%
↑ $7,200
2%
↑ $7,100
3%
↑ $7,000
3%
↑ $6,900
4%
↓ $6,400
57%
↓ $6,300
27%
↓ $6,200
14%
↓ $6,000
9%
↓ $5,000
1%
$391,837 Vol.
↑ $8,000
<1%
↑ $7,500
<1%
↑ $7,300
1%
↑ $7,200
2%
↑ $7,100
3%
↑ $7,000
3%
↑ $6,900
4%
↓ $6,400
57%
↓ $6,300
27%
↓ $6,200
14%
↓ $6,000
9%
↓ $5,000
1%
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/.
Market Opened: Mar 3, 2026, 2:58 PM ET
Resolver
0x65070BE91...Resolver
0x65070BE91...Polymarket traders are pricing a 55% implied probability for the S&P 500 closing above 5,300 by March 31, reflecting optimism from cooling inflation signals and robust corporate earnings momentum, with the index hovering near 5,280 amid record highs. Key drivers include February CPI at 3.2% year-over-year—below expectations—bolstering Fed rate cut bets for June (90% odds per CME FedWatch), while mega-cap tech like Nvidia sustains rally leadership. However, risks loom from upcoming PCE inflation data on March 29 and FOMC March 19-20 meeting, where hawkish tones could cap upside; historical precedent shows SPX averaging +1.2% in March post-pivot years, underscoring trader caution on overbought conditions.
Experimental AI-generated summary referencing Polymarket data · Updated


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