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Correlation
of % moves
-43%
In sync
of periods
37%
History
daysdays · through 2026-09-04
1,171
These move in the same direction about 37% of the time
Their swing sizes loosely mirror each other (~18% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Advanced
Statistics
In sync(i)
37%
Headline metric
Movement correlation(i)
-43%
Based on % moves
95% CI
-47% → -38%
Likely range of correlation
Pipeline
Pipeline Summary
1,171 paired data points survived the daily window.
Raw input
9,268
1,174
Normalized
9,268
1,174
Prepared
9,268
1,174
Aligned
1,171
1,171
Invalid removed
R²(i)
18%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
1,170
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
-43%
No shift — both series at their actual dates.
1,170 overlapping points at this shift
Baseline
-43%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-43%
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
-28%
30 periods · Return correlation when both series rose
Both Falling
-3%
44 periods · Return correlation when both series fell
Diverging
-54%
88 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,100
A: 8097 / B: 3
Series A
VIX
VIXCLS
FRED · 9,268 raw → 9,268 prepared
Series B
ETHE
Stock · 1,174 raw → 1,174 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
58
Estimated crossover points between normalized spreads.
Slope
-0.2912
Linear regression slope.
Intercept
-0.0005
Linear regression intercept.
Saved 3 weeks ago · ID: fred-vixcls-vs-stock-ethe-daily