Correlation
of % moves
+29%
In sync
of periods
60%
History
daysdays · through 2026-05-07
337
These move in the same direction about 60% of the time
Their swing sizes only faintly line up (~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
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.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
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Advanced
Statistics
Approximate (legacy record)In sync(i)
60.5%
Headline metric
Movement correlation(i)
+29%
Based on % moves
95% CI
N/A
Likely range
Pipeline
Pipeline Summary
337 paired data points survived the daily window.
Raw input
337
1,255
Normalized
337
1,255
Prepared
337
1,255
Aligned
337
337
Invalid removed
R²(i)
8.3%
Variance explained
Significance
N/A
Statistical confidence
Data points
337
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
+29%
No shift — both series at their actual dates.
249 overlapping points at this shift
Baseline
+29%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+29%
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
+23%
85 periods · Return correlation when both series rose
Both Falling
+19%
69 periods · Return correlation when both series fell
Diverging
-43%
95 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
918
A: 0 / B: 918
Series A
ONC
Stock · 337 raw → 337 prepared
Series B
COPX
Stock · 1,255 raw → 1,255 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
0.2859
Linear regression slope.
Intercept
0.0024
Linear regression intercept.
Saved 4 days ago · ID: stock-copx_stock-onc_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.