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Correlation
of % moves
-26%
In sync
of periods
50%
History
daysdays · through 2026-09-21
688
These move in the same direction about 50% of the time
Their swing sizes only faintly mirror each other (~7% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
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.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Explore
Advanced
Statistics
In sync(i)
50%
Headline metric
Movement correlation(i)
-26%
Based on % moves
95% CI
-33% → -19%
Likely range of correlation
Pipeline
Pipeline Summary
688 paired data points survived the daily window.
Raw input
9,278
693
Normalized
9,278
693
Prepared
9,278
693
Aligned
688
688
Invalid removed
R²(i)
7%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
687
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
-26%
No shift — both series at their actual dates.
687 overlapping points at this shift
Baseline
-26%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-26%
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
+7%
65 periods · Return correlation when both series rose
Both Falling
+19%
65 periods · Return correlation when both series fell
Diverging
-77%
113 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,595
A: 8590 / B: 5
Series A
VIX
VIXCLS
FRED · 9,278 raw → 9,278 prepared
Series B
Texas Capital Texas Oil Index ETF (OILT)
OILT
Stock · 693 raw → 693 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
60
Estimated crossover points between normalized spreads.
Slope
-0.0580
Linear regression slope.
Intercept
0.0003
Linear regression intercept.
Saved 2 weeks ago · ID: fred-vixcls_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.