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Correlation
of % moves
+44%
In sync
of periods
54%
History
daysdays · through 2026-05-22
486
These move in the same direction about 54% of the time
Their swing sizes loosely line up (~19% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Slipping looser
The recent pattern is looser than its long-run baseline — keep an eye on whether this sticks.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
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)
54.1%
Headline metric
Movement correlation(i)
+44%
Based on % moves
95% CI
+36% → +50%
Likely range of correlation
Pipeline
Pipeline Summary
486 paired data points survived the daily window.
Raw input
1,151
590
Normalized
1,151
590
Prepared
1,151
590
Aligned
486
486
Invalid removed
R²(i)
19.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
486
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
+44%
No shift — both series at their actual dates.
485 overlapping points at this shift
Baseline
+44%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+44%
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
-35%
60 periods · Return correlation when both series rose
Both Falling
+23%
63 periods · Return correlation when both series fell
Diverging
-2%
126 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
769
A: 665 / B: 104
Series A
PTLO
Stock · 1,151 raw → 1,151 prepared
Series B
VELO
Stock · 590 raw → 590 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.6624
Linear regression slope.
Intercept
0.0044
Linear regression intercept.
Saved 2 weeks ago · ID: stock-ptlo_stock-velo_daily_5y