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Correlation
of % moves
+29%
In sync
of periods
55%
History
daysdays · through 2026-09-24
628
These move in the same direction about 55% of the time
Their swing sizes only faintly line up (~9% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Slipping looser
The recent pattern is looser 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.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
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Advanced
Statistics
In sync(i)
55%
Headline metric
Movement correlation(i)
+29%
Based on % moves
95% CI
+22% → +36%
Likely range of correlation
Pipeline
Pipeline Summary
628 paired data points survived the daily window.
Raw input
628
691
Normalized
628
691
Prepared
628
691
Aligned
628
628
Invalid removed
R²(i)
9%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
627
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.
627 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
+36%
84 periods · Return correlation when both series rose
Both Falling
+52%
71 periods · Return correlation when both series fell
Diverging
-63%
91 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
63
A: 0 / B: 63
Series A
Corpay, Inc. (CPAY)
CPAY
Stock · 628 raw → 628 prepared
Series B
Texas Capital Texas Oil Index ETF (OILT)
OILT
Stock · 691 raw → 691 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
39
Estimated crossover points between normalized spreads.
Slope
0.2540
Linear regression slope.
Intercept
0.0001
Linear regression intercept.
Saved 2 weeks ago · ID: stock-cpay_stock-oilt_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.