Current implied probability
Down 100%+60.0pt
Market quality
61 / 100
Medium quality24h Volume
$77K
Liquidity
$80.1K
High liquidityBid / Ask
- / 0.1%
Comments
0
Market data
Updated 7 minutes ago
Sep 14, 26, 12:01 PM UTCSep 15, 26, 8:00 PM UTC
Trends
100%
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
S&P 500 (SPX) Opens Up or Down on September 16?
PolymarketWill Anthropic’s valuation hit __ by December 31?
PolymarketOpenAI IPO Closing Market Cap
PolymarketWhat will S&P 500 (SPY) hit Week of September 14 2026?
LimitlessWhich bubble bursts first?
MyriadWill OpenAI AND xAI have an IPO in 2026?
Manifold MarketsRules
This market will resolve to "Up" if the official S&P 500 Index open price for S&P 500 (SPX) on September 15 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.
- This market will resolve to "Down" if the official S&P 500 Index open price for S&P 500 (SPX) on September 15 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day.
- E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day.
- If the two prices are exactly equal, this market will resolve 50-50.
- Note that all figures will be rounded to the nearest cent using standard rounding.
- If SPX does not trade at all during the regular session, the market will resolve 50-50.
Open markets
Exchange
KALSHIBTC price on Sep 15, 2026 at 5pm EDT?
- $72,750 or above99%
- $73,000 or above99%
- $73,500 or above99%
+77 more outcomes
- Total Vol
- $3.3M
- 24h Vol
- $3.3M
KALSHIBTC price on Sep 15, 2026 at 4pm EDT?
- $75,400 or above99%
- $75,300 or above99%
- $75,000 or above99%
+97 more outcomes
- Total Vol
- $1.1M
- 24h Vol
- $867.1K
POLYMARKETBitcoin above ___ on September 16?
- 68,000-0.3pt99%
- 70,000-0.6pt99%
- 72,000-1.8pt98%
+8 more outcomes
KALSHIETH price on Sep 15, 2026 at 5pm EDT?
- $2,260 or above99%
- $2,340 or above98%
- $2,300 or above97%
+37 more outcomes
- Total Vol
- $529.9K
- 24h Vol
- $529.3K
KALSHIBTC price on Sep 18, 2026 at 5pm EDT?
- $67,000 or above98%
- $64,500 or above+1.0pt98%
- $67,500 or above98%
+47 more outcomes
- Total Vol
- $1.1M
- 24h Vol
LIMITLESSMeta (META) Up or Down - Daily
- Yes50.5%
- No49.5%
- Total Vol
- $258.4K
- 24h Vol
- $241.9K
- Ethereum above ___ on September 16?
- Bitcoin price at the end of 2026
- XRP price at Sep 15, 2026 at 5pm EDT?
- How high will BTC get in September?
- Amazon (AMZN) Up or Down - Daily
- BTC price range on Sep 15, 2026 at 5pm EDT?
- Bitcoin above ___ on September 17?
- SOL price on Sep 15, 2026 at 5pm EDT?
- Ethereum above ___ on September 17?
- Ethereum above ___ on September 18?
- Anthropic IPO by which date?
Frequently asked questions
- What are the current odds for S&P 500 (SPX) Opens Up or Down on September 15??
- Polymarket prices Down at 100% as of September 15, 2026.
- When does S&P 500 (SPX) Opens Up or Down on September 15? resolve?
- S&P 500 (SPX) Opens Up or Down on September 15? is scheduled to resolve on September 15, 2026.
- How is S&P 500 (SPX) Opens Up or Down on September 15? settled?
- Polymarket settles this market as follows: This market will resolve to "Up" if the official S&P 500 Index open price for S&P 500 (SPX) on September 15 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.