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Correlation
of % moves
-52%
In sync
of periods
56%
History
daysdays · through 2026-05-22
590
These move opposite each other about 56% of the time
Their swing sizes loosely mirror each other (~28% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
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
Slipping tighter
The recent pattern is tighter than its long-run baseline — keep an eye on whether this sticks.
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Advanced
Statistics
In sync(i)
56.1%
Headline metric
Movement correlation(i)
-52%
Based on % moves
95% CI
-58% → -46%
Likely range of correlation
Pipeline
Pipeline Summary
590 paired data points survived the daily window.
Raw input
1,255
590
Normalized
1,255
590
Prepared
1,255
590
Aligned
590
590
Invalid removed
R²(i)
27.5%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
590
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.
589 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
+13%
81 periods · Return correlation when both series rose
Both Falling
+46%
54 periods · Return correlation when both series fell
Diverging
-59%
114 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
665
A: 665 / B: 0
Series A
WELL
Stock · 1,255 raw → 1,255 prepared
Series B
VELO
Stock · 590 raw → 590 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.9859
Linear regression slope.
Intercept
0.0033
Linear regression intercept.
Saved 2 weeks ago · ID: stock-velo_stock-well_daily_5y