Fuel Data Lab

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Fuel price signals and analytics

Fuel Stress Score

76

Elevated stress. Market conditions warrant caution.

Higher than 83% of historical weeks

Diesel prices are trending upward, at historically high levels, highly synchronized nationwide.

U.S. No 2 Diesel Retail PricesMonday, May 25, 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

rising

1 week in regime

Shape

drift

Pattern emerging

Coherence

100%

Regions moving in lockstep

No dominant price pattern detected; mixed signals in recent weeks.

Position vs History

Percentile (10y)

97%

Historically expensive

Z-Score (5y)

+2.08

Outside normal

Time Above $4.00

40%

Currently above threshold

Recent Motion

Spot Price

$5.523

1W Change

-0.073

4W Change

+0.172

Volatility (12w)

0.0602

Historical Analogs

In 3 similar historical periods, prices fell in the following month, averaging -6¢ over 12 weeks.

Current stress is approaching peak levels seen in historical data.

Aug 2000Nov 2000

Prices remained stable

76% match

+1¢ / 4w

Sep 1996Dec 1996

Prices remained stable

74% match

-3¢ / 4w

Jan 2000Mar 2000

Prices remained stable

73% match

-2¢ / 4w

Advanced Analytics

Forward Distribution

Given this regime, historically...

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

4 weeks

33%

lower

8 weeks

Est.

12 weeks

0%

lower

Median change (4w)-2¢
10% worst case (4w)-3¢
10% best case (4w)+1¢

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 unexpected move, price spike detected, and upward trend.

Unexpected movehigh

Price moved 3.5σ from expected, indicating market surprise

Price spike detectedhigh

Significant upward price movement detected (0.3σ)

Upward trendhigh

Sustained rising trend influencing current prices

Volatility shiftmedium

Market volatility has decreased, prices stabilizing

Regime Stability

Stability Score

73%

Transition Risk

low
Current:Rising
1w
82%
Recent regime change60
High regime confidence+50
Falling volatility+40

Current regime appears stable. Low probability of near-term transition.

Threshold Heatmap
Current Price$5.523
$5.00$5 resistanceCurrent Zone
17% time above+52¢ above
$4.50High
25% time above+102¢ above
$4.00Elevated
40% time above+152¢ above
$3.50Moderate
89% time above+202¢ above
$3.00Normal
100% time above+252¢ above
$2.50Low
100% time above+302¢ above
Rarely above
Sometimes
Often above
Regional Divergence Radar
Most Likely to Decouple

West Coast

+98¢ vs national

Early Movers (Leading National)

Midwest
-12.6¢/w
Spread Tension69%

Regions are moving in sync. No significant divergence signals.

Multi-Fuel Correlation

30-Day Correlation

100%

Strength

strong

Diesel

-7.3¢

Rising

Gasoline

-1.5¢

Volatile

Gasoline
leads by ~1w
Diesel

Gasoline has been leading diesel by ~1 week. Watch gasoline 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

+49.9%

Week 22

Diesel prices typically peak around May ($3.70) and bottom in Dec ($3.33). Current price is 49.9% above the seasonal average for week 22.

Signal Stability

Signals are internally consistent.

Signal Confidence
Regime82%
Shape50%
SurpriseLOW
CoherenceHIGH
Recent Events
⟳ Regime ShiftMED

Market behavior shifted to a new pattern

Uncommon movement (top 15%)

May 25

↑ Price SpikeHIGH

Notable upward price movement

Rare event (top 5% historically)

May 4

0.3σ

σ = standard deviations from expected weekly change

Regional Sync

100%

Top 10% of historical weeks