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Correlation
of % moves
-33%
In sync
of periods
38%
History
daysdays · through 2026-05-22
499
These move in the same direction about 38% of the time
Their swing sizes only faintly mirror each other (~11% 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
Slipping tighter
The recent pattern is tighter than its long-run baseline — keep an eye on whether this sticks.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Advanced
Statistics
In sync(i)
38.4%
Headline metric
Movement correlation(i)
-33%
Based on % moves
95% CI
-40% → -24%
Likely range of correlation
Pipeline
Pipeline Summary
499 paired data points survived the daily window.
Raw input
1,254
730
Normalized
1,254
730
Prepared
1,254
730
Aligned
499
499
Invalid removed
R²(i)
10.6%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
499
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
-33%
No shift — both series at their actual dates.
498 overlapping points at this shift
Baseline
-33%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-33%
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
+37%
36 periods · Return correlation when both series rose
Both Falling
+1%
58 periods · Return correlation when both series fell
Diverging
-54%
155 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
986
A: 755 / B: 231
Series A
iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX)
VXX
Stock · 1,254 raw → 1,254 prepared
Series B
Cosmos (ATOM)
ATOM
Crypto · 730 raw → 730 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
24
Estimated crossover points between normalized spreads.
Slope
-0.3391
Linear regression slope.
Intercept
-0.0033
Linear regression intercept.
Saved 2 weeks ago · ID: crypto-atom_stock-vxx_daily_5y