# Chicago Regular Gasoline · Retail Pressure Index (RPI-C)

- Series code: `retail.city_chicago.gasoline_regular.weekly.rpi_c`
- Units: index · frequency: weekly
- Latest: **76.5 index** (2026-09-28)
- History: 2000-08-28 to 2026-09-28, 1362 observations
- Change over 1 week: -10.0 (-11.5%)
- Change over 1 month: +14.9 (+24.2%)
- Change over 1 year: +33.6 (+78.1%)
- Change over 5 years: +3.6 (+4.9%)
- 52-week range: 15.4 (2026-02-23) – 86.5 (2026-09-21)
- Latest value is higher than 82% of the full history

## Recent observations

| Date | Value |
|---|---|
| 2026-09-28 | 76.5 |
| 2026-09-21 | 86.5 |
| 2026-09-14 | 73.2 |
| 2026-09-07 | 67.7 |
| 2026-08-31 | 49.3 |
| 2026-08-24 | 61.6 |
| 2026-08-17 | 59.5 |
| 2026-08-10 | 39.1 |
| 2026-08-03 | 58.4 |
| 2026-07-27 | 50.5 |
| 2026-07-20 | 48.9 |
| 2026-07-13 | 45.1 |

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.rpi_c/