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Correlation
of % moves
-31%
In sync
of periods
46%
History
daysdays · through 2026-08-31
823
These move in the same direction about 46% of the time
Their swing sizes only faintly mirror each other (~9% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Advanced
Statistics
In sync(i)
46%
Headline metric
Movement correlation(i)
-31%
Based on % moves
95% CI
-37% → -24%
Likely range of correlation
Pipeline
Pipeline Summary
823 paired data points survived the daily window.
Raw input
9,263
827
Normalized
9,263
827
Prepared
9,263
827
Aligned
823
823
Invalid removed
R²(i)
9%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
821
Deep
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
-31%
No shift — both series at their actual dates.
821 overlapping points at this shift
Baseline
-31%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-31%
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
-8%
63 periods · Return correlation when both series rose
Both Falling
+17%
65 periods · Return correlation when both series fell
Diverging
-54%
97 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,444
A: 8440 / B: 4
Series A
VIX
VIXCLS
FRED · 9,263 raw → 9,263 prepared
Series B
IBIT
Stock · 827 raw → 827 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
31
Estimated crossover points between normalized spreads.
Slope
-0.1166
Linear regression slope.
Intercept
0.0005
Linear regression intercept.
Saved 2 weeks ago · ID: fred-vixcls_stock-ibit_daily_5y