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Correlation
of % moves
+36%
In sync
of periods
61%
History
daysdays · through 2026-09-09
364
These move in the same direction about 61% of the time
Their swing sizes only faintly line up (~13% 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.
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)
61%
Headline metric
Movement correlation(i)
+36%
Based on % moves
95% CI
+27% → +45%
Likely range of correlation
Pipeline
Pipeline Summary
364 paired data points survived the daily window.
Raw input
364
1,253
Normalized
364
1,253
Prepared
364
1,253
Aligned
364
364
Invalid removed
R²(i)
13%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
363
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
+36%
No shift — both series at their actual dates.
363 overlapping points at this shift
Baseline
+36%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+36%
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
+16%
89 periods · Return correlation when both series rose
Both Falling
+11%
79 periods · Return correlation when both series fell
Diverging
-46%
81 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
889
A: 0 / B: 889
Series A
CoreWeave, Inc. Class A Common Stock (CRWV)
CRWV
Stock · 364 raw → 364 prepared
Series B
PROTO LABS, INC. (PRLB)
PRLB
Stock · 1,253 raw → 1,253 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
18
Estimated crossover points between normalized spreads.
Slope
0.1446
Linear regression slope.
Intercept
0.0019
Linear regression intercept.
Saved 4 months ago · ID: stock-crwv_stock-prlb_daily_5y