Predictions › Indexes What will S&P 500 (SPY) hit in October 2026? Polymarket Closes Oct 31 · $86.7K traded · prices read 17 min ago
Traders see an even chance of trading as high as $789.13 and as low as $763.44 .
Reaches $780 82% Reaches $790 47% Reaches $800 20% Reaches $810 8% Reaches $820 3% Reaches $830 2% Reaches $840 2% Falls to $770 71% Falls to $760 39% Falls to $750 25% Falls to $740 10% Falls to $730 8% Falls to $720 6% Falls to $710 2% Falls to $700 2% Already reached: ↑ $780, ↑ $770, ↓ $760, ↑ $770, ↑ $770, ↓ $780
Not enough history yet.
Each outcome's chance over time, from its prices on Polymarket.
Traders see an even chance of trading as high as $782.50 and as low as $770.37 .
Reaches $780 71% Reaches $785 29% Reaches $790 10% Reaches $795 6% Falls to $775 82% Falls to $770 48% Falls to $765 21% Falls to $760 5%
$750 $810
Median $776.62 Middle half $773.51 – $779.07 Above today's price 35%
7,375 8,125
Median 7,803 Middle half 7,564 – 7,959 Above today's price 51%
3,800 9,200
Median 7,892 Middle half 7,514 – 8,141 Above today's price 58%
Traders see an even chance of trading as high as 8,030 and as low as 7,341 .
Reaches 8,000 52% Reaches 8,200 42% Reaches 8,600 8% Reaches 9,000 5% Falls to 7,400 60% Falls to 7,200 26% Falls to 7,000 21% Falls to 6,200 9% Already reached: ↑ $7,800, ↑ $7,600, ↑ $7,400, ↓ $6,600, ↓ $6,400
5,500 8,500
Median 7,670 Middle half 7,107 – 8,154 Above today's price 44%
Odds are traders' prices on Kalshi and Polymarket, not forecasts by 4Conservative. Read from the venues just now. Prices may be delayed up to 15 min. Not investment advice.
Settles on Pyth price feed
Trading closes Oct 31, 2026 11:59 PM ET
Traded $86.7K traded
Prices read 17 min ago
Followed since Oct 12, 2026
The full rules are on the market's page at Polymarket .
Reading the odds Each price is the market's probability: a contract at 84¢ that pays $1 if the outcome happens means traders give it an 84% chance. The number shown is the midpoint between the best bid and offer, or the last trade when they are more than ten cents apart.
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Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Conservative index. Terms of use .