S&P 500 (SPX) Opens Up or Down on August 3?
Current Probability
99.9%
24h Change
+25.4 pp
Signal Score
53/100
Data Confidence
Medium (69)
24h probability rose 25.4pp
Why This Signal Matters
Supporting facts beyond the headline signal reason.
- Volume baseline unavailable or history insufficient
- Liquidity depth $24,876
- Medium data confidence (69)
Probability History
Stored CLOB and sync snapshots with a compact read of recent movement.
Current
99.9%
24h Change
+25.4 pp
7d Change
Only 3d of listing history
Coverage
3d of stored history
View history table
| Time | Probability |
|---|---|
| 8/3/2026, 6:15:00 PM | 99.9% |
| 8/3/2026, 6:00:00 PM | 100.0% |
| 8/3/2026, 5:00:00 PM | 100.0% |
| 8/3/2026, 4:00:00 PM | 100.0% |
| 8/3/2026, 3:00:00 PM | 100.0% |
| 8/3/2026, 2:00:00 PM | 100.0% |
| 8/3/2026, 1:00:00 PM | 99.0% |
| 8/3/2026, 12:00:00 PM | 98.5% |
| 8/3/2026, 11:00:00 AM | 98.5% |
| 8/3/2026, 10:00:00 AM | 93.7% |
| 8/3/2026, 9:00:00 AM | 96.3% |
| 8/3/2026, 8:00:00 AM | 95.5% |
| 8/3/2026, 7:00:00 AM | 95.5% |
| 8/3/2026, 6:00:00 AM | 94.0% |
| 8/3/2026, 5:00:00 AM | 95.5% |
| 8/3/2026, 4:00:00 AM | 95.0% |
| 8/3/2026, 3:00:00 AM | 90.5% |
| 8/3/2026, 2:00:00 AM | 88.0% |
| 8/3/2026, 1:00:00 AM | 81.0% |
| 8/3/2026, 12:00:00 AM | 78.0% |
| 8/2/2026, 11:00:00 PM | 77.5% |
| 8/2/2026, 10:00:00 PM | 79.0% |
| 8/2/2026, 9:00:00 PM | 75.0% |
| 8/2/2026, 8:00:00 PM | 75.0% |
Market Snapshot
Incremental context not covered in the hero summary.
1h Change
-0.1 pp
7d Change
Only 3d of listing history
24h Volume
$262.8K
Volume vs Baseline
Baseline unavailable
Liquidity
$24.9K
Market Significance
High (72)
Market Status
Closed
End Date
Aug 3, 2026
Attention Score
43
Signal Quality Breakdown
Components behind the hero Signal Score of 53/100.
Probability Momentum
Strength of recent probability movement 85
Volume Activity
Trading activity versus the recent baseline 0
Liquidity Quality
Depth available to absorb orders without large price impact 89
Persistence
Whether the move holds across more than one lookback window 10
Data Confidence
Independent quality score for history coverage and data reliability Medium (69)