Fuel Data Lab

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Events

Market shocks and regime changes

41

Price Shocks

9

Regime Changes

19

High Severity

Understanding Events

Price Spike

Sudden price increase — often signals supply disruption

Price Drop

Sudden price decrease — may signal demand shift

Regime Change

Market shifted behavior (volatile → stable, etc.)

Δ = price change in $/gallonσ = how unusual (2σ = rare, 3σ = very rare)Severity: low = notable, med = significant, high = major
Event Feed
231 total events detected
Regime Change
med
gasoline

West Coast Regular Gasoline Retail Prices

Mon, Jun 1, 2026volatile → rising
Price Shock (Down)
high
gasoline

Gulf Coast Regular Gasoline Retail Prices

Mon, Jun 1, 2026-0.18 $/gal5.1σ (very rare)
Regime Change
med
gasoline

Gulf Coast Regular Gasoline Retail Prices

Mon, Jun 1, 2026volatile → rising
Price Shock (Down)
high
gasoline

East Coast Regular Gasoline Retail Prices

Mon, Jun 1, 2026-0.17 $/gal6.0σ (very rare)
Price Shock (Down)
high
gasoline

Rocky Mountain Regular Gasoline Retail Prices

Mon, Jun 1, 2026-0.23 $/gal3.4σ (very rare)
Regime Change
med
diesel

West Coast No 2 Diesel Retail Prices

Mon, Jun 1, 2026volatile → rising
Price Shock (Down)
high
gasoline

U.S. Regular Gasoline Retail Prices

Mon, Jun 1, 2026-0.17 $/gal5.0σ (very rare)
Price Shock (Down)
med
diesel

Gulf Coast No 2 Diesel Retail Prices

Mon, Jun 1, 2026-0.14 $/gal2.7σ (rare)
Regime Change
med
diesel

Gulf Coast No 2 Diesel Retail Prices

Mon, Jun 1, 2026rising → stable
Regime Change
med
diesel

East Coast No 2 Diesel Retail Prices

Mon, Jun 1, 2026rising → stable
Price Shock (Down)
high
gasoline

Midwest Regular Gasoline Retail Prices

Mon, Jun 1, 2026-0.22 $/gal5.4σ (very rare)
Regime Change
med
diesel

Rocky Mountain No 2 Diesel Retail Prices

Mon, Jun 1, 2026volatile → rising
Price Shock (Down)
med
diesel

Midwest No 2 Diesel Retail Prices

Mon, Jun 1, 2026-0.23 $/gal3.0σ (rare)
Regime Change
med
diesel

Gulf Coast No 2 Diesel Retail Prices

Mon, May 25, 2026volatile → rising
Regime Change
med
diesel

U.S. No 2 Diesel Retail Prices

Mon, May 25, 2026volatile → rising
Regime Change
med
diesel

East Coast No 2 Diesel Retail Prices

Mon, May 25, 2026volatile → rising
Price Shock (Down)
low
diesel

Midwest No 2 Diesel Retail Prices

Mon, May 25, 2026-0.13 $/gal1.6σ
Price Shock (Up)
med
gasoline

Rocky Mountain Regular Gasoline Retail Prices

Mon, May 18, 2026+0.21 $/gal2.8σ (rare)
Price Shock (Up)
med
gasoline

East Coast Regular Gasoline Retail Prices

Mon, May 11, 2026+0.09 $/gal2.4σ (rare)
Price Shock (Up)
high
gasoline

East Coast Regular Gasoline Retail Prices

Mon, May 4, 2026+0.29 $/gal7.9σ (very rare)
Price Shock (Up)
high
gasoline

U.S. Regular Gasoline Retail Prices

Mon, May 4, 2026+0.33 $/gal9.0σ (very rare)
Price Shock (Up)
med
diesel

Gulf Coast No 2 Diesel Retail Prices

Mon, May 4, 2026+0.17 $/gal2.9σ (rare)
Price Shock (Up)
high
diesel

Rocky Mountain No 2 Diesel Retail Prices

Mon, May 4, 2026+0.25 $/gal3.0σ (very rare)
Price Shock (Up)
low
diesel

West Coast No 2 Diesel Retail Prices

Mon, May 4, 2026+0.10 $/gal1.5σ
Price Shock (Up)
high
diesel

U.S. No 2 Diesel Retail Prices

Mon, May 4, 2026+0.29 $/gal4.8σ (very rare)
Price Shock (Up)
med
diesel

East Coast No 2 Diesel Retail Prices

Mon, May 4, 2026+0.08 $/gal2.0σ (rare)
Price Shock (Up)
high
diesel

Midwest No 2 Diesel Retail Prices

Mon, May 4, 2026+0.61 $/gal7.9σ (very rare)
Price Shock (Up)
high
gasoline

Rocky Mountain Regular Gasoline Retail Prices

Mon, May 4, 2026+0.34 $/gal5.0σ (very rare)
Price Shock (Up)
high
gasoline

West Coast Regular Gasoline Retail Prices

Mon, May 4, 2026+0.17 $/gal4.0σ (very rare)
Price Shock (Up)
high
gasoline

Gulf Coast Regular Gasoline Retail Prices

Mon, May 4, 2026+0.23 $/gal4.9σ (very rare)
Price Shock (Up)
high
gasoline

Midwest Regular Gasoline Retail Prices

Mon, May 4, 2026+0.52 $/gal10.2σ (very rare)
Price Shock (Up)
med
gasoline

West Coast Regular Gasoline Retail Prices

Mon, Apr 27, 2026+0.09 $/gal2.4σ (rare)
Price Shock (Up)
low
gasoline

Midwest Regular Gasoline Retail Prices

Mon, Apr 27, 2026+0.10 $/gal1.7σ
Price Shock (Up)
med
gasoline

U.S. Regular Gasoline Retail Prices

Mon, Apr 27, 2026+0.08 $/gal2.3σ (rare)
Price Shock (Up)
med
gasoline

East Coast Regular Gasoline Retail Prices

Mon, Apr 27, 2026+0.07 $/gal2.1σ (rare)
Price Shock (Down)
low
diesel

East Coast No 2 Diesel Retail Prices

Mon, Apr 27, 2026-0.07 $/gal1.6σ
Price Shock (Down)
low
diesel

West Coast No 2 Diesel Retail Prices

Mon, Apr 27, 2026-0.09 $/gal1.7σ
Price Shock (Down)
med
gasoline

East Coast Regular Gasoline Retail Prices

Mon, Apr 20, 2026-0.07 $/gal2.0σ (rare)
Price Shock (Down)
low
gasoline

Midwest Regular Gasoline Retail Prices

Mon, Apr 20, 2026-0.10 $/gal1.8σ
Price Shock (Down)
med
gasoline

U.S. Regular Gasoline Retail Prices

Mon, Apr 20, 2026-0.08 $/gal2.5σ (rare)
Price Shock (Down)
med
gasoline

Gulf Coast Regular Gasoline Retail Prices

Mon, Apr 20, 2026-0.12 $/gal2.4σ (rare)
Price Shock (Down)
high
diesel

Midwest No 2 Diesel Retail Prices

Mon, Apr 20, 2026-0.22 $/gal3.0σ (very rare)
Price Shock (Down)
high
diesel

Gulf Coast No 2 Diesel Retail Prices

Mon, Apr 20, 2026-0.24 $/gal5.1σ (very rare)
Price Shock (Down)
high
diesel

West Coast No 2 Diesel Retail Prices

Mon, Apr 20, 2026-0.20 $/gal4.6σ (very rare)
Price Shock (Down)
high
diesel

U.S. No 2 Diesel Retail Prices

Mon, Apr 20, 2026-0.20 $/gal3.8σ (very rare)
Price Shock (Down)
high
diesel

East Coast No 2 Diesel Retail Prices

Mon, Apr 20, 2026-0.18 $/gal4.3σ (very rare)
Price Shock (Down)
low
diesel

West Coast No 2 Diesel Retail Prices

Mon, Apr 13, 2026-0.10 $/gal1.9σ
Price Shock (Up)
low
gasoline

Midwest Regular Gasoline Retail Prices

Mon, Apr 13, 2026+0.12 $/gal2.0σ
Price Shock (Down)
low
diesel

Rocky Mountain No 2 Diesel Retail Prices

Mon, Apr 13, 2026-0.16 $/gal1.8σ
Price Shock (Down)
low
diesel

Gulf Coast No 2 Diesel Retail Prices

Mon, Apr 13, 2026-0.10 $/gal1.8σ

Showing 51 - 100 of 231 events

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