PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
Down 99%
Market quality
36 / 100
Low quality24h Volume
$438
Liquidity
$105.1
Low liquidityBid / Ask
- / 1.0%
Comments
0
Market data
Updated 8 minutes ago
Sep 9, 26, 8:15 PM UTCSep 10, 26, 8:00 PM UTC
Trends
99%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market will resolve to "Up" if the open price for S&P 500 (SPY) on September 10, 2026 is higher than the closing price for SPY on the most recent prior trading day.
- This market will resolve to "Down" if the open price for S&P 500 (SPY) on September 10, 2026 is lower than the closing price for SPY 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 specified prices are exactly equal, this market will resolve 50-50.
- Prices will be used exactly as published by Pyth, without rounding.
- If S&P 500 (SPY) does not trade at all during the regular session, the market will resolve 50-50.
Open markets
Equities
LIMITLESSAmazon (AMZN) Up or Down - Daily
- No61.1%
- Yes38.9%
- Total Vol
- $254.7K
- 24h Vol
- $251.7K
POLYMARKETLargest Company end of December 2026?
- NVIDIA-7.0pt75.8%
- Apple+3.2pt16.8%
- Alphabet6.3%
+5 more outcomes
- Total Vol
- $7.1M
- 24h Vol
- $134K
KALSHINasdaq-100 price on Sep 10, 2026 at 4pm EDT?
- 29,000 or above99%
- 28,740 or above98%
- 28,920 or above98%
+97 more outcomes
- Total Vol
- $127.8K
- 24h Vol
- $127.8K
KALSHIS&P price on Sep 10, 2026 at 4pm EDT?
- 7,545 or above99%
- 7,525 or above99%
- 7,540 or above99%
+57 more outcomes
- Total Vol
- $129.1K
- 24h Vol
- $126.3K
KALSHIS&P price on Sep 10, 2026 at 3pm EDT?
- 7,570 or above99%
- 7,555 or above99%
- 7,520 or above99%
+57 more outcomes
- Total Vol
- $99.6K
- 24h Vol
- $96.8K
POLYMARKETSPY (SPY) Up or Down on September 10?
- Down+35.5pt99%
- Up-35.5pt1%
- Total Vol
- $82.1K
- 24h Vol
- $82.1K
- S&P 500 (SPX) Up or Down on September 10?
- S&P close price end of 2026?
- Nasdaq-100 price on Sep 10, 2026 at 3pm EDT?
- Will Anthropic’s valuation hit __ by December 31?
- Anthropic IPO Closing Market Cap
- Will the S&P finish positive this year?
- How high will the S&P get this year?
- STRC hits $100 by…
- S&P 500 (SPX) Opens Up or Down on September 10?
- What will Robinhood Markets, Inc. (HOOD) hit Week of September 7 2026?
- Will Kraken's valuation hit __ by December 31?
Frequently asked questions
- What are the current odds for SPY Opens Up or Down on September 10??
- Polymarket prices Down at 99% as of September 10, 2026.
- When does SPY Opens Up or Down on September 10? resolve?
- SPY Opens Up or Down on September 10? is scheduled to resolve on September 10, 2026.
- How is SPY Opens Up or Down on September 10? settled?
- Polymarket settles this market as follows: This market will resolve to "Up" if the open price for S&P 500 (SPY) on September 10, 2026 is higher than the closing price for SPY on the most recent prior trading day.