PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedCurrent implied probability
Up 50%
Market quality
73 / 100
Medium quality24h Volume
$4.4K
Liquidity
$14.4K
Medium liquidityBid / Ask
49.0% / 51.0%
Spread
2.0 pt
Moderate spreadComments
0
Market data
Updated 6 minutes ago
Aug 25, 26, 12:00 PMAug 26, 26, 8:00 PM
Trends
Rules
This market will resolve to "Up" if the Close price for S&P 500 (SPY) on August 26, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day.
- This market will resolve to "Down" if the Close price for S&P 500 (SPY) on August 26, 2026 is lower than the Close price for S&P 500 (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 closing prices are exactly equal, this market will resolve 50-50.
- Closing 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
EquitiesPOLYMARKETLargest IPO by market cap in 2026?
- Anthropic+12.9pt49%
- SpaceX-25.0pt40%
- OpenAI-0.2pt1%
+9 more outcomes
- Total Vol
- $5.6M
- 24h Vol
- $44.9K
POLYMARKETLargest Company end of December 2026?
- NVIDIA70.6%
- Apple+2.4pt15.7%
- Alphabet11.8%
+5 more outcomes
- Total Vol
- $6.2M
POLYMARKETSTRC hits $100 by…
- December 31+2.5pt80%
- September 30-4.5pt51%
- June 30-0.4pt0%
POLYMARKETWill Anthropic’s valuation hit __ by December 31?
- ↑$1.1T+3.6pt100%
- ↑$1.0T+2.4pt100%
- ↑$1.25T+0.3pt98%
+10 more outcomes
POLYMARKETAnthropic IPO Closing Market Cap
- $2.5–$2.75T+10.7pt22.3%
- $1.75–$2.0T+0.5pt18.4%
- $2.25–$2.5T17.5%
+7 more outcomes
POLYMARKETOura IPO Closing Market Cap
- $7.5B–$10B+6.5pt15.3%
- $15B–$17.5B14.3%
- $17.5B–$20B-0.5pt14.3%
+5 more outcomes
- S&P close price end of 2026?
- What will CrowdStrike Holdings, Inc. say during their next earnings call?
- Will NVIDIA (NVDA) beat quarterly earnings?
- What will Robinhood Markets, Inc. (HOOD) hit Week of August 24 2026?
- What will S&P 500 (SPY) hit Week of August 24 2026?
- Nasdaq-100 close price end of 2026?
- S&P price on Aug 26, 2026 at 4pm EDT?
- What will S&P 500 (SPY) hit in August 2026?
- Will OpenAI's valuation hit __ by December 31?
- Anthropic IPO Closing Market Cap (Middle Brackets)
Frequently asked questions
- What are the current odds for SPY (SPY) Up or Down on August 26??
- Polymarket prices Up at 50% as of August 26, 2026.
- When does SPY (SPY) Up or Down on August 26? resolve?
- SPY (SPY) Up or Down on August 26? is scheduled to resolve on August 26, 2026.
- How is SPY (SPY) Up or Down on August 26? settled?
- Polymarket settles this market as follows: This market will resolve to "Up" if the Close price for S&P 500 (SPY) on August 26, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day.