S&P 500 Index
High · quintile 5
| Window | Mean | Median | Positive | n |
|---|---|---|---|---|
| +1D | +0.86% | +0.86% | 100% | 1 |
| +5D | +0.61% | +0.61% | 100% | 1 |
| +1M | +2.9% | +2.9% | 100% | 1 |
Low sample: interpret these outcomes cautiously.
2026-09 · Bureau of Labor Statistics
One workspace for briefing, official publication status, market reaction, and comparable historical outcomes.
Before release
Consumer inflation is a central input to real-income trends and the expected path of interest rates.
At release
| Indicator | Actual | Prior initial | Prior revised | Release move |
|---|---|---|---|---|
| Headline CPIMom Pct · Official | 0.649% | 0.396% | — | +0.253 pp |
| Headline CPIYoy Pct · Official | 3.717% | 3.353% | — | +0.364 pp |
| Core CPIMom Pct · Official | 0.335% | 0.29% | — | +0.045 pp |
| Core CPIYoy Pct · Official | 2.566% | 2.446% | — | +0.12 pp |
“Release move” is initial minus the revised prior when available, otherwise initial minus the prior print. It is not a consensus surprise.
After release
S&P 500 and Nasdaq cumulative returns from the last regular close before publication to the +1D, +5D, and +1M trading sessions.
| Benchmark | +1D | +5D | +1M |
|---|---|---|---|
| S&P 500 Index | -1.11% | -1.19% | Pending |
| Nasdaq Composite | -1.88% | -2.87% | Pending |
Regime + percentile matched
High · quintile 5
| Window | Mean | Median | Positive | n |
|---|---|---|---|---|
| +1D | +0.86% | +0.86% | 100% | 1 |
| +5D | +0.61% | +0.61% | 100% | 1 |
| +1M | +2.9% | +2.9% | 100% | 1 |
Low sample: interpret these outcomes cautiously.
High · quintile 5
| Window | Mean | Median | Positive | n |
|---|---|---|---|---|
| +1D | +0.96% | +0.96% | 100% | 1 |
| +5D | +1.29% | +1.29% | 100% | 1 |
| +1M | +4.92% | +4.92% | 100% | 1 |
Low sample: interpret these outcomes cautiously.
2026-08
2026-07
Aggregate outcomes use only earlier releases of the selected component with the same as-of-release regime and five-year percentile quintile. The target event is excluded and pending trading horizons remain unavailable until enough closes exist.