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Correlation
of % moves
-29%
In sync
of periods
37%
History
daysdays · through 2026-09-07
514
These move in the same direction about 37% of the time
Their swing sizes only faintly mirror each other (~9% 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
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.
Advanced
Statistics
In sync(i)
37%
Headline metric
Movement correlation(i)
-29%
Based on % moves
95% CI
-37% → -21%
Likely range of correlation
Pipeline
Pipeline Summary
514 paired data points survived the daily window.
Raw input
729
9,268
Normalized
729
9,268
Prepared
729
9,268
Aligned
514
514
Invalid removed
R²(i)
9%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
513
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
-29%
No shift — both series at their actual dates.
513 overlapping points at this shift
Baseline
-29%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-29%
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
-12%
33 periods · Return correlation when both series rose
Both Falling
+9%
51 periods · Return correlation when both series fell
Diverging
-52%
165 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,969
A: 215 / B: 8754
Series A
Stellar (XLM)
XLM
Crypto · 729 raw → 729 prepared
Series B
VIX
VIXCLS
FRED · 9,268 raw → 9,268 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
57
Estimated crossover points between normalized spreads.
Slope
-0.4235
Linear regression slope.
Intercept
0.0001
Linear regression intercept.
Saved 4 months ago · ID: crypto-xlm_fred-vixcls_daily_5y