Fuel Data Lab

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Events

Market shocks and regime changes

2

Price Shocks

0

Regime Changes

1

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
52 total events detected
Price Shock (Down)
med
diesel

U.S. No 2 Diesel Retail Prices

Mon, Dec 22, 2025-0.06 $/gal2.0σ (rare)
Price Shock (Down)
high
diesel

Rocky Mountain No 2 Diesel Retail Prices

Mon, Dec 22, 2025-0.08 $/gal3.0σ (very rare)

Showing 51 - 52 of 52 events

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