# Chicago Regular Gasoline · Acceleration Index

- Series code: `retail.city_chicago.gasoline_regular.weekly.ai`
- Units: pp · frequency: weekly
- Latest: **-6.29 pp** (2026-09-28)
- History: 2000-09-04 to 2026-09-28, 1361 observations
- Change over 1 week: -15.71 (-166.7%)
- Change over 1 month: -6.06 (-2,676.6%)
- Change over 1 year: -6.11 (-3,544.2%)
- Change over 5 years: -3.56 (-130.3%)
- 52-week range: -11.07 (2026-06-01) – 17.65 (2026-03-23)
- Latest value is higher than 4% of the full history

## Recent observations

| Date | Value |
|---|---|
| 2026-09-28 | -6.29 |
| 2026-09-21 | 9.42 |
| 2026-09-14 | 1.40 |
| 2026-09-07 | 4.57 |
| 2026-08-31 | -3.19 |
| 2026-08-24 | -0.23 |
| 2026-08-17 | 4.39 |
| 2026-08-10 | -5.62 |
| 2026-08-03 | 3.58 |
| 2026-07-27 | -0.31 |
| 2026-07-20 | 1.18 |
| 2026-07-13 | 5.17 |

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