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Correlation
of % moves
-41%
In sync
of periods
29%
History
daysdays · through 2026-09-08
163
These move in the same direction about 29% of the time
Their swing sizes loosely mirror each other (~17% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
On a log scale so equal % moves take equal vertical space — best when one series has grown much faster than the other.
What to Watch
Slipping looser
The recent pattern is looser than its long-run baseline — keep an eye on whether this sticks.
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Swings around
Their relationship swings around — sometimes tight, sometimes loose. Don't trust a single snapshot.
Advanced
Statistics
In sync(i)
29%
Headline metric
Movement correlation(i)
-41%
Based on % moves
95% CI
-53% → -27%
Likely range of correlation
Pipeline
Pipeline Summary
163 paired data points survived the daily window.
Raw input
1,253
163
Normalized
1,253
163
Prepared
1,253
163
Aligned
163
163
Invalid removed
R²(i)
17%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
162
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
-41%
No shift — both series at their actual dates.
162 overlapping points at this shift
Baseline
-41%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-41%
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
+10%
28 periods · Return correlation when both series rose
Both Falling
-38%
19 periods · Return correlation when both series fell
Diverging
-61%
115 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,090
A: 1090 / B: 0
Series A
Advanced Micro Devices (AMD)
AMD
Stock · 1,253 raw → 1,253 prepared
Series B
Marsh (MRSH)
MRSH
Stock · 163 raw → 163 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.1576
Linear regression slope.
Intercept
0.0007
Linear regression intercept.
Saved 4 months ago · ID: stock-amd_stock-mrsh_daily_5y