Fuel Data Lab

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Fuel price signals and analytics

Fuel Stress Score

74

Elevated stress. Market conditions warrant caution.

Higher than 80% of historical weeks

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

U.S. No 2 Diesel Retail PricesMonday, April 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

5 weeks in regime

Shape

linear trend up

87% confident

Coherence

100%

Regions moving in lockstep

Strong upward trend detected (R²=87%); prices rising 21.52¢/week.

Position vs History

Percentile (10y)

99%

Historically expensive

Z-Score (5y)

+2.44

Outside normal

Time Above $4.00

37%

Currently above threshold

Recent Motion

Spot Price

$5.643

1W Change

+0.242

4W Change

+0.784

Volatility (12w)

0.0656

Historical Analogs

In 3 similar historical periods, prices rose in the following month.

Current stress is below peak levels seen in historical data.

Jun 2023Aug 2023

Prices rose significantly

90% match

+11¢ / 4w

Aug 2021Nov 2021

Prices fell significantly

89% match

-6¢ / 4w

Jan 2005Mar 2005

Prices remained stable

89% match

+4¢ / 4w

Advanced Analytics

Forward Distribution

Given this regime, historically...

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

4 weeks

67%

higher

8 weeks

Est.

12 weeks

67%

higher

Median change (4w)+4¢
10% worst case (4w)-6¢
10% best case (4w)+11¢

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

Why This Happened

This week's increase is most consistent with price spike detected, possible unstable regime, and historical high.

Price spike detectedhigh

Significant upward price movement detected (0.3σ)

Unstable regimemedium

Market in volatile regime, prices less predictable

Historical highhigh

Price at 99th percentile vs 10-year history

Regime Stability

Stability Score

55%

Transition Risk

moderate
Current:Volatile
5w
100%
High regime confidence+50
High regional coherence+35

Regime is moderately stable but showing some stress signals. Monitor for changes.

Threshold Heatmap
Current Price$5.643
$5.00$5 resistanceCurrent Zone
14% time above+64¢ above
$4.50High
23% time above+114¢ above
$4.00Elevated
37% time above+164¢ above
$3.50Moderate
86% time above+214¢ above
$3.00Normal
100% time above+264¢ above
$2.50Low
100% time above+314¢ above
Rarely above
Sometimes
Often above
Regional Divergence Radar
Most Likely to Decouple

West Coast

+128¢ vs national

Spread Tension87%

Regions are moving in sync. No significant divergence signals.

Multi-Fuel Correlation

30-Day Correlation

100%

Strength

strong

Diesel

+24.2¢

Volatile

Gasoline

+13.0¢

Volatile

Both fuels moving in sync. National or international factors likely driving prices.

Seasonal Trends

Data Range

11 yrs

2016–2026

Typical High

Apr

$3.70 avg

Typical Low

Apr

$3.33 avg

vs Seasonal Avg

+52.5%

Week 15

Diesel prices typically peak around Apr ($3.70) and bottom in Apr ($3.33). Current price is 52.5% above the seasonal average for week 15.

Signal Stability

Signals are internally consistent.

Signal Confidence
Regime100%
Shape87%
SurpriseLOW
CoherenceHIGH
Recent Events
↑ Price SpikeHIGH

Notable upward price movement

Rare event (top 5% historically)

Apr 6

0.2σ

↑ Price SpikeHIGH

Notable upward price movement

Rare event (top 5% historically)

Mar 23

0.3σ

↑ Price SpikeHIGH

Notable upward price movement

Rare event (top 5% historically)

Mar 16

0.2σ

σ = standard deviations from expected weekly change

Regional Sync

100%

Top 10% of historical weeks