# Houston Regular Gasoline · Z-Score Stress Index

- Series code: `retail.city_houston.gasoline_regular.weekly.zsi`
- Units: σ · frequency: weekly
- Latest: **4.22 σ** (2026-09-28)
- History: 2000-06-05 to 2026-09-28, 1373 observations
- Change over 1 week: -0.06 (-1.3%)
- Change over 1 month: +2.08 (+97.1%)
- Change over 1 year: +4.26 (+11,893.0%)
- Change over 5 years: +2.24 (+112.8%)
- 52-week range: -1.20 (2026-02-16) – 4.28 (2026-09-21)
- Latest value is higher than 94% of the full history

## Recent observations

| Date | Value |
|---|---|
| 2026-09-28 | 4.22 |
| 2026-09-21 | 4.28 |
| 2026-09-14 | 3.60 |
| 2026-09-07 | 3.03 |
| 2026-08-31 | 2.48 |
| 2026-08-24 | 2.14 |
| 2026-08-17 | 1.74 |
| 2026-08-10 | 1.40 |
| 2026-08-03 | 1.38 |
| 2026-07-27 | 1.29 |
| 2026-07-20 | 1.17 |
| 2026-07-13 | 0.50 |

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