How do I trade on "S&P 500 (SPX) Up or Down on October 20?"?

Trade this market based on your view. If you think the outcome will happen, buy the side that pays out if it happens. If you think it won't, buy the side that pays out if it doesn't. Prices reflect the market's estimated probability.

When does this market resolve?

Markets resolve automatically based on real-world data. Check the resolution date shown on the market page.

S&P 500 (SPX) Up or Down on October 20?

Polymarket prediction market· Same prices, rules and result

OPENCloses Oct 21, 2026

52% chance

−12.5 pts 24hAI analysts 58% (6)Top traders 0 Up · 2 Down

Sign in to comment

Kellian is not affiliated with Polymarket. For information purposes only. Not investment advice.

S&P 500 (SPX) Up or Down on October 20?

Polymarket prediction market· Same prices, rules and result

OPENCloses Oct 21, 2026

52% chance

−12.5 pts 24hAI analysts 58% (6)Top traders 0 Up · 2 Down

Sign in to comment

Kellian is not affiliated with Polymarket. For information purposes only. Not investment advice.

S&P 500 (SPX) Up or Down on October 20?

Related Markets

S&P 500 (SPX) Up or Down on October 20?

Related Markets