# PADD 4 (Rocky Mtn) Diesel · Z-Score Stress Index

- Series code: `retail.padd4.diesel_all.weekly.zsi`
- Units: σ · frequency: weekly
- Latest: **3.99 σ** (2026-09-28)
- History: 1994-03-21 to 2026-09-28, 1698 observations
- Change over 1 week: +0.21 (+5.7%)
- Change over 1 month: +1.53 (+62.4%)
- Change over 1 year: +4.10 (+3,733.1%)
- Change over 5 years: +1.82 (+84.3%)
- 52-week range: -0.66 (2026-01-12) – 3.99 (2026-09-28)
- Latest value is higher than 89% of the full history

## Recent observations

| Date | Value |
|---|---|
| 2026-09-28 | 3.99 |
| 2026-09-21 | 3.77 |
| 2026-09-14 | 3.12 |
| 2026-09-07 | 2.73 |
| 2026-08-31 | 2.41 |
| 2026-08-24 | 2.46 |
| 2026-08-17 | 2.62 |
| 2026-08-10 | 2.31 |
| 2026-08-03 | 2.28 |
| 2026-07-27 | 1.85 |
| 2026-07-20 | 1.28 |
| 2026-07-13 | 0.67 |

Source: Calculated by NewTide from EIA source data. Derived from public-domain EIA data.
Page: https://thinkingonenergy.com/data/retail.padd4.diesel_all.weekly.zsi/