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Correlation
of % moves
+24%
In sync
of periods
60%
History
daysdays · through 2026-09-25
692
These move in the same direction about 60% 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 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.
Swings around
Their relationship swings around — sometimes tight, sometimes loose. Don't trust a single snapshot.
Explore
Advanced
Statistics
In sync(i)
60%
Headline metric
Movement correlation(i)
+24%
Based on % moves
95% CI
+17% → +31%
Likely range of correlation
Pipeline
Pipeline Summary
692 paired data points survived the daily window.
Raw input
1,253
692
Normalized
1,253
692
Prepared
1,253
692
Aligned
692
692
Invalid removed
R²(i)
6%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
691
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
+24%
No shift — both series at their actual dates.
691 overlapping points at this shift
Baseline
+24%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+24%
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
+17%
89 periods · Return correlation when both series rose
Both Falling
+19%
61 periods · Return correlation when both series fell
Diverging
-63%
94 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
561
A: 561 / B: 0
Series A
Caterpillar Inc. (CAT)
CAT
Stock · 1,253 raw → 1,253 prepared
Series B
Texas Capital Texas Oil Index ETF (OILT)
OILT
Stock · 692 raw → 692 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.2145
Linear regression slope.
Intercept
-0.0000
Linear regression intercept.
Saved 2 weeks ago · ID: stock-cat_stock-oilt_daily_5y
Explore
Top 10 by absolute correlation
Ranked across both sides of this comparison using the same dense row format as the single-symbol correlations view.