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Correlation
of % moves
+23%
In sync
of periods
63%
History
daysdays · through 2026-07-09
121
These move in the same direction about 63% of the time
Their swing sizes only faintly line up (~5% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
DG moves ~4 days before MRSH
Watch DG for an early read on MRSH.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Advanced
Statistics
In sync(i)
63%
Headline metric
Movement correlation(i)
+23%
Based on % moves
95% CI
N/A
Likely range
Pipeline
Pipeline Summary
121 paired data points survived the daily window.
Raw input
121
1,254
Normalized
121
1,254
Prepared
121
1,254
Aligned
121
121
Invalid removed
5%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
120
Usable
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: -6 to 6 days.
Selected shift
-4 days
Correlation at this shift
-30%
+8% stronger than no-shift baseline
Dollar General Corp. (DG) shifted 4 days later. Reads: "Does Marsh (MRSH) today line up with Dollar General Corp. (DG) 4 days ago?"
116 overlapping points at this shift
Baseline
+23%
No-shift correlation, matching the main time-series chart above.
Peak shift
-4 days
-30%
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
-11%
38 periods · Return correlation when both series rose
Both Falling
-9%
37 periods · Return correlation when both series fell
Diverging
-51%
45 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,133
A: 0 / B: 1133
Series A
Marsh (MRSH)
MRSH
Stock · 121 raw → 121 prepared
Series B
Dollar General Corp. (DG)
DG
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.2767
Linear regression slope.
Intercept
-0.0022
Linear regression intercept.
Saved 3 months ago · ID: stock-dg_stock-mrsh_daily_5y