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Correlation
of % moves
-40%
In sync
of periods
58%
History
daysdays · through 2026-05-22
526
These move opposite each other about 58% of the time
Their swing sizes only faintly mirror each other (~16% 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
Unusual right now
Recently tighter 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.
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)
58.4%
Headline metric
Movement correlation(i)
-40%
Based on % moves
95% CI
-47% → -32%
Likely range of correlation
Pipeline
Pipeline Summary
526 paired data points survived the daily window.
Raw input
1,191
589
Normalized
1,191
589
Prepared
1,191
589
Aligned
526
526
Invalid removed
R²(i)
15.7%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
526
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
-40%
No shift — both series at their actual dates.
525 overlapping points at this shift
Baseline
-40%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-40%
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
+67%
79 periods · Return correlation when both series rose
Both Falling
+61%
81 periods · Return correlation when both series fell
Diverging
-95%
89 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
728
A: 665 / B: 63
Series A
Rocket Lab Corporation Common Stock (RKLB)
RKLB
Stock · 1,191 raw → 1,191 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
1
Estimated crossover points between normalized spreads.
Slope
-0.2813
Linear regression slope.
Intercept
0.0030
Linear regression intercept.
Saved 2 weeks ago · ID: stock-rklb_stock-velo_daily_5y