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Correlation
of % moves
+34%
In sync
of periods
57%
History
daysdays · through 2026-05-20
604
These move in the same direction about 57% of the time
Their swing sizes only faintly line up (~11% 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.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
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Advanced
Statistics
In sync(i)
57%
Headline metric
Movement correlation(i)
+34%
Based on % moves
95% CI
+27% → +41%
Likely range of correlation
Pipeline
Pipeline Summary
604 paired data points survived the daily window.
Raw input
1,168
689
Normalized
1,168
689
Prepared
1,168
689
Aligned
604
604
Invalid removed
R²(i)
11%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
603
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
+34%
No shift — both series at their actual dates.
603 overlapping points at this shift
Baseline
+34%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+34%
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
+33%
102 periods · Return correlation when both series rose
Both Falling
+43%
63 periods · Return correlation when both series fell
Diverging
-64%
83 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
649
A: 564 / B: 85
Series A
BK
Stock · 1,168 raw → 1,168 prepared
Series B
Texas Capital Texas Oil Index ETF (OILT)
OILT
Stock · 689 raw → 689 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.4585
Linear regression slope.
Intercept
-0.0004
Linear regression intercept.
Saved 2 weeks ago · ID: stock-bk_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.