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Correlation
of % moves
+25%
In sync
of periods
62%
History
daysdays · through 2025-04-01
635
These move in the same direction about 62% of the time
Their swing sizes only faintly line up (~6% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
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 tighter
The recent pattern is tighter than its long-run baseline — keep an eye on whether this sticks.
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.
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Advanced
Statistics
In sync(i)
62%
Headline metric
Movement correlation(i)
+25%
Based on % moves
95% CI
+18% → +32%
Likely range of correlation
Pipeline
Pipeline Summary
635 paired data points survived the daily window.
Raw input
1,008
880
Normalized
1,008
880
Prepared
1,008
880
Aligned
635
635
Invalid removed
R²(i)
6%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
633
Robust
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
+25%
No shift — both series at their actual dates.
633 overlapping points at this shift
Baseline
+25%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+25%
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
+20%
77 periods · Return correlation when both series rose
Both Falling
+10%
89 periods · Return correlation when both series fell
Diverging
-38%
79 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
618
A: 373 / B: 245
Series A
RBC Bearings Incorporated (RBC)
RBC
Stock · 1,008 raw → 1,008 prepared
Series B
DM
Stock · 880 raw → 880 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.8763
Linear regression slope.
Intercept
-0.0032
Linear regression intercept.
Saved 5 months ago · ID: stock-dm_stock-rbc_daily_5y
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Top 10 by absolute correlation
Ranked across both sides of this comparison using the same dense row format as the single-symbol correlations view.