KalshiClosedCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedThis market resolved: No
Awaiting verified resolution
CoinRithm is waiting for provider-confirmed settlement before treating this market as resolved.
Data quality warningStale dataNot meaningfully priced
Data as of Aug 21, 2026, 5:40 PM UTC · policy pm-quality-3
Current implied probability
No 100%
Market quality
17 / 100
Low quality24h Volume
—
Liquidity
—
Liquidity unknownBid / Ask
34.0% / 54.0%
Spread
20.0 pt
Wide spreadMarket data
Updated 2 hours ago
StaleAug 21, 26, 5:00 PMAug 21, 26, 6:00 PM
Trends
100%
0%
Rules
If the value of S&P 500 is above $7678.26 at 2:00 PM ET on August 21, 2026, then the market resolves to Yes.
Settles via:For example, Google Finance
- This is an Up/Down market on || Index ||: it resolves Yes if || Index || finishes higher than its reference level, and No if it finishes flat or lower.
- The reference level (|| Value ||) is the value of || Index || at the start of the hour.
- If no data is available for the period by expiration, the market resolves No.
Open markets
Equities
POLYMARKETWill Anthropic’s valuation hit __ by December 31?
- ↑$1.1T+3.6pt100%
- ↑$1.0T+2.4pt100%
- ↑$1.25T-0.9pt97%
+10 more outcomes
- Total Vol
- $3.9M
- 24h Vol
- $118.9K
KALSHINasdaq-100 price on Aug 21, 2026 at 4pm EDT?
- 28,030 or above99%
- 28,730 or above97%
- 28,710 or above97%
+97 more outcomes
- Total Vol
- $59.3K
- 24h Vol
- $59.3K
KALSHIS&P price on Aug 21, 2026 at 4pm EDT?
- 7,575 or above99%
- 7,570 or above99%
- 7,580 or above99%
+67 more outcomes
- Total Vol
- $49.1K
- 24h Vol
- $49.1K
POLYMARKETS&P 500 (SPX) Up or Down on August 21?
- Up+32.0pt82%
- Down-32.0pt18%
- Total Vol
- $44K
- 24h Vol
- $44K
KALSHIS&P close price end of 2026?
- 8,000 to 8,199.9915.4%
- 7,800 to 7,999.9912.7%
- 8,200 to 8,399.99-1.0pt10%
+24 more outcomes
- Total Vol
- $6M
- 24h Vol
KALSHINasdaq-100 price on Aug 21, 2026 at 11am EDT?
- 29,070 or above81%
- 29,100 or above71%
- 28,950 or above69%
+97 more outcomes
- Total Vol
- $36.9K
- 24h Vol
- $26.8K
- S&P 500 (SPX) Opens Up or Down on August 21?
- Nasdaq-100 close price end of 2026?
- S&P 500 ETF (SPY) Up or Down - Daily
- Largest Company end of December 2026?
- Largest IPO by market cap in 2026?
- S&P price on Aug 21, 2026 at 11am EDT?
- SPY (SPY) Up or Down on August 21?
- What will Robinhood Markets, Inc. (HOOD) hit Week of August 17 2026?
- STRC hits $100 by…
- S&P price range on Aug 21, 2026 at 4pm EDT?
- How low will the S&P get this year?
Frequently asked questions
- What are the current odds for S&P 500 Hourly Up/Down?
- Kalshi prices No at 100% as of August 21, 2026.
- When does S&P 500 Hourly Up/Down resolve?
- S&P 500 Hourly Up/Down is scheduled to resolve on August 21, 2026.
- How is S&P 500 Hourly Up/Down settled?
- Kalshi settles this market as follows: If the value of S&P 500 is above $7678.26 at 2:00 PM ET on August 21, 2026, then the market resolves to Yes.