Executive Briefing
Live Polymarket consensus prices "Yes" at 53% on "S&P 500 (SPX) Up or Down on September 23?", backed by $1.5K in 24h trading volume.
Stats
- 24h Volume
- $1.5K
Your call
The market says 53.0%. Disagree cheaply, or put a record behind it.
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True cost to trade
The quoted price is not what anyone pays. Below it is the same trade with the spread crossed, the depth consumed and the venue's own fee paid — the break-even probability a buyer would actually need to believe.
Live Order Book Depth
Compare Across Platforms
Not listed on another platform we track (or no confident match found).
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Frequently Asked Questions
What is the current probability for "S&P 500 (SPX) Up or Down on September 23?"?
As of the latest update, Polymarket prices this at 53.00%, based on $1.5K in tracked 24h trading volume.
When does this market close?
This contract is scheduled to resolve on or around September 23, 2026, per Polymarket's listed close time.
Where can I trade this market?
This contract trades live on Polymarket. You can view the live order book and trade it directly at the source link on this page.
Is this market listed on other prediction platforms?
Not currently listed on another platform PredictRankd tracks (Kalshi, Manifold, PredictIt, Limitless, Smarkets, Futuur), or no confidently-verified match was found.