Fuel Data Lab

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Fuel price signals and analytics

Fuel Stress Score

66

Elevated stress. Market conditions warrant caution.

Higher than 71% of historical weeks

Diesel prices are volatile but directionless, at historically high levels, highly synchronized nationwide.

U.S. No 2 Diesel Retail PricesMonday, July 6, 2026

Elevated stress suggests increased market uncertainty; consider scenario planning.

Since last week:
VolatilityRegimeChangedCoherenceSurpriseLow
Price History (10 Years)
rising
falling
volatile
shocked
mean reverting

Market State

Regime

volatile

2 weeks in regime

Shape

linear trend down

72% confident

Coherence

100%

Regions moving in lockstep

Strong downward trend detected (R²=72%); prices falling 8.78¢/week.

Position vs History

Percentile (10y)

87%

Historically expensive

Z-Score (5y)

+0.63

Within 1.5σ

Time Above $4.00

42%

Currently above threshold

Recent Motion

Spot Price

$4.578

1W Change

-0.090

4W Change

-0.632

Volatility (12w)

0.2749

Historical Analogs

In 3 similar historical periods, prices rose in the following month, averaging +16¢ over 12 weeks.

Current stress is below peak levels seen in historical data.

May 2022Aug 2022

Prices rose significantly

88% match

+12¢ / 4w

Jul 2006Oct 2006

Prices remained stable

88% match

+0¢ / 4w

Apr 1998Jun 1998

Prices remained stable

85% match

-1¢ / 4w

Advanced Analytics

Forward Distribution

Given this regime, historically...

In volatile + high coherence regimes (n=3):

4 weeks

33%

lower

8 weeks

Est.

12 weeks

67%

higher

Median change (4w)+0¢
10% worst case (4w)-1¢
10% best case (4w)+12¢

Historically favorable. In similar conditions, prices more often fell than rose over the following month.

Why This Happened

This week's decline is most consistent with possible volatility shift, possible unstable regime, and possible historical high.

Volatility shiftmedium

Market volatility has decreased, prices stabilizing

Unstable regimemedium

Market in volatile regime, prices less predictable

Historical highmedium

Price at 87th percentile vs 10-year history

Regime Stability

Stability Score

36%

Transition Risk

elevated
Current:Volatile
2w
72%
Recent regime change60
Falling volatility+40
High regional coherence+35

Regime stability is weakening. Elevated probability of transition within 4-6 weeks.

Threshold Heatmap
Current Price$4.578
$5.00$5 resistance
18% time above42¢ below
$4.50HighCurrent Zone
28% time above+8¢ above~44% bounce prob.
$4.00Elevated
42% time above+58¢ above
$3.50Moderate
91% time above+108¢ above
$3.00Normal
100% time above+158¢ above
$2.50Low
100% time above+208¢ above
Rarely above
Sometimes
Often above
Regional Divergence Radar
Most Likely to Decouple

West Coast

+85¢ vs national

Spread Tension61%

Regions are moving in sync. No significant divergence signals.

Multi-Fuel Correlation

30-Day Correlation

100%

Strength

strong

Diesel

-9.0¢

Volatile

Gasoline

-5.4¢

Volatile

Diesel
leads by ~1w
Gasoline

Diesel has been leading gasoline by ~1 week. Watch diesel for early directional signals.

Seasonal Trends

Data Range

11 yrs

2016–2026

Typical High

May

$3.70 avg

Typical Low

Dec

$3.33 avg

vs Seasonal Avg

+26.4%

Week 28

Diesel prices typically peak around May ($3.70) and bottom in Dec ($3.33). Current price is 26.4% above the seasonal average for week 28.

Signal Stability

Signals are internally consistent.

Signal Confidence
Regime72%
Shape72%
SurpriseLOW
CoherenceHIGH
Recent Events
⟳ Regime ShiftMED

Market behavior shifted to a new pattern

Uncommon movement (top 15%)

Jun 29

⟳ Regime ShiftMED

Market behavior shifted to a new pattern

Uncommon movement (top 15%)

Jun 22

σ = standard deviations from expected weekly change

Regional Sync

100%

Top 10% of historical weeks