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Marsh (MRSH) vs US Gas Price
Correlation
of % moves
-48%
In sync
of periods
48%
History
weeksweeks · through 2026-28
26
These move in the same direction about 48% of the time
Their swing sizes loosely mirror each other (~23% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Advanced
Statistics
In sync(i)
48%
Headline metric
Movement correlation(i)
-48%
Based on % moves
95% CI
N/A
Pipeline
Pipeline Summary
26 paired data points survived the weekly window.
Raw input
121
1,867
Normalized
121
1,867
Prepared
26
1,867
Aligned
26
26
Invalid removed
Likely range
R²(i)
23%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
25
Limited
Time-Shifted Correlation
See how correlation changes when one series is offset in time. A taller bar at a non-zero shift means the two move together better when one leads the other — that's a potential lead/lag signal.
Correlation by shift
Click a bar to inspect. Range: -12 to 12 weeks.
Selected shift
No shift
Correlation at this shift
-48%
No shift — both series at their actual dates.
25 overlapping points at this shift
Baseline
-48%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-48%
A non-zero peak suggests one series lines up better when shifted against the other.
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
Do They Crash Together?
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
-69%
8 periods · Return correlation when both series rose
Both Falling
N/A
4 periods · Return correlation when both series fell
Diverging
-59%
13 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,841
A: 0 / B: 1841
Series A
Marsh (MRSH)
MRSH
Stock · 121 raw → 26 prepared
Series B
US Gas Price
GASREGW
FRED · 1,867 raw → 1,867 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
6
Estimated crossover points between normalized spreads.
Slope
-0.6840
Linear regression slope.
Intercept
0.0115
Linear regression intercept.
Saved 4 weeks ago · ID: fred-gasregw_stock-mrsh_weekly_5y