2024-05-15 CPI Release: SPY Directional Probability Snapshot
Historical probability profile for SPY around CPI events (T+1/T+7).
Event Snapshot
Event: CPI
Event date: 2024-05-15
As-of (T-1): 2026-03-11
Freshness age: 665 days
Freshness status: Stale Data
Sample size: 39
Event Outcome
Direction: UP
Actual: 313.175
Previous: 313.023
Delta: 0.1520
All-history
P(up): 64.1%
P(down): 35.9%
T+1 median: 0.16%
T+7 P(up): 68.42%
T+7 median: 0.51%
Same-direction
T+1 P(up): 63.16%
T+1 P(down): 36.84%
T+7 P(up): 68.42%
T+7 P(down): 31.58%
Matched sample: 38
Action Lens (Educational)
Historical odds and median return currently lean positive after this event type.
Related Events
SPY CPI Win Rate (2024-03-12): Historical T+1/T+7 Probability
Sharpe(T+7): 3.94 · T+7 median: 0.51% · sample: 39
2024-11-14 CPI Release: SPY Directional Probability Snapshot
Sharpe(T+7): 0.43 · T+7 median: 0.51% · sample: 39
SPY Reaction to US CPI (2026-02-12): Quant Probability Breakdown
Sharpe(T+7): 0 · T+7 median: 0.51% · sample: 39
SPY Price (Event Window)
Candlestick · HistoricalEvent Snapshot
- Event: CPI
- Asset: SPY
- Event date: 2024-05-15
- As-of date (T-1): 2026-03-11
- Freshness age: 665 days
- Sample size (all-history): 39
Event Outcome
- CPI Outcome: UP (Actual 313.175, Previous 313.023, Delta +0.1520)
- Direction basis: vs_previous
Probability Table (All-history)
| Window | P(up) | P(down) | Median return | Mean return | Sample |
|---|---|---|---|---|---|
| T+1 | 64.1% | 35.9% | 0.16% | 0.21% | 39 |
| T+7 | 68.42% | 31.58% | 0.51% | 0.21% | 38 |
Probability Table (Same-direction)
| Window | P(up) | P(down) | Median return | Mean return | Sample |
|---|---|---|---|---|---|
| T+1 | 63.16% | 36.84% | 0.14% | 0.21% | 38 |
| T+7 | 68.42% | 31.58% | 0.51% | 0.21% | 38 |
Historical Distribution Summary
When CPI was UP, SPY T+1 up probability was 63.16% (n=38).
When CPI was UP, SPY T+7 up probability was 68.42% (n=38).
Same-direction T+7 median return: 0.51%.
For SPY, historical CPI windows show all-history T+1 up probability of 64.1% and T+7 up probability of 68.42%. When CPI printed Up versus previous, T+1 up probability was 63.16% and T+7 up probability was 68.42% across 38 matched cases. Current classification is Bullish; this remains an educational probability lens, not investment advice.
Methodology
This page aggregates historical windows for the same event type (CPI) and deduplicates by event date. It reports both all-history probabilities and same-direction probabilities based on event outcome direction (vs previous) for educational use only.
Trust & Methodology
- Educational content only. This is not investment advice.
- Data sources: FRED (event calendar/outcomes) and yfinance (historical price windows).
- Methodology: all-history and same-direction event windows (T+1/T+7 probability, median, mean, sample size).
- Data last updated at: 2026-03-04T01:58:11+00:00