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Correlation
of % moves
-28%
In sync
of periods
42%
History
daysdays · through 2026-07-09
121
These move in the same direction about 42% of the time
Their swing sizes only faintly mirror each other (~8% 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
Unusual right now
Recently looser than usual — the pair is behaving differently than its long-run pattern.
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)
42%
Headline metric
Movement correlation(i)
-28%
Based on % moves
95% CI
N/A
Likely range
Pipeline
Pipeline Summary
121 paired data points survived the daily window.
Raw input
121
331
Normalized
121
331
Prepared
121
331
Aligned
121
121
Invalid removed
8%
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
No shift
Correlation at this shift
-28%
No shift — both series at their actual dates.
120 overlapping points at this shift
Baseline
-28%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-28%
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
-29%
24 periods · Return correlation when both series rose
Both Falling
-10%
26 periods · Return correlation when both series fell
Diverging
-70%
70 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
210
A: 0 / B: 210
Series A
Marsh (MRSH)
MRSH
Stock · 121 raw → 121 prepared
Series B
USA Rare Earth, Inc. Class A Common Stock (USAR)
USAR
Stock · 331 raw → 331 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
8
Estimated crossover points between normalized spreads.
Slope
-1.0632
Linear regression slope.
Intercept
0.0001
Linear regression intercept.
Saved 3 months ago · ID: stock-mrsh_stock-usar_daily_5y