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Correlation
of % moves
+52%
In sync
of periods
45%
History
daysdays · through 2026-05-22
376
These move in the same direction about 45% of the time
Their swing sizes loosely line up (~27% 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
Unusual right now
Recently looser than usual — the pair is behaving differently than its long-run pattern.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Advanced
Statistics
In sync(i)
45.4%
Headline metric
Movement correlation(i)
+52%
Based on % moves
95% CI
+44% → +59%
Likely range of correlation
Pipeline
Pipeline Summary
376 paired data points survived the daily window.
Raw input
1,041
589
Normalized
1,041
589
Prepared
1,041
589
Aligned
376
376
Invalid removed
R²(i)
27.3%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
376
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
+52%
No shift — both series at their actual dates.
375 overlapping points at this shift
Baseline
+52%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+52%
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
-34%
45 periods · Return correlation when both series rose
Both Falling
-31%
59 periods · Return correlation when both series fell
Diverging
-0%
144 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
878
A: 665 / B: 213
Series A
2x Long VIX Futures ETF (UVIX)
UVIX
Stock · 1,041 raw → 1,041 prepared
Series B
Velo3D, Inc. Common stock (VELO)
VELO
Stock · 589 raw → 589 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.1794
Linear regression slope.
Intercept
0.0058
Linear regression intercept.
Saved 2 weeks ago · ID: stock-uvix_stock-velo_daily_5y