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Correlation
of % moves
+12%
In sync
of periods
54%
History
daysdays · through 2026-09-22
588
These move in the same direction about 54% of the time
Their swing sizes only faintly line up (~1% 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
Unusual right now
Recently tighter than usual — the pair is behaving differently than its long-run pattern.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Explore
Advanced
Statistics
In sync(i)
54%
Headline metric
Movement correlation(i)
+12%
Based on % moves
95% CI
+4% → +20%
Likely range of correlation
Pipeline
Pipeline Summary
588 paired data points survived the daily window.
Raw input
1,253
588
Normalized
1,253
588
Prepared
1,253
588
Aligned
588
588
Invalid removed
R²(i)
1%
Variance explained
Significance
p < 0.01
Statistical confidence
Data points(i)
586
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
+12%
No shift — both series at their actual dates.
586 overlapping points at this shift
Baseline
+12%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+12%
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
+56%
76 periods · Return correlation when both series rose
Both Falling
+33%
60 periods · Return correlation when both series fell
Diverging
-49%
112 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
Vistra Corp. (VST)
VST
Stock · 1,253 raw → 1,253 prepared
Series B
Velo3D, Inc. Common stock (VELO)
VELO
Stock · 588 raw → 588 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.3302
Linear regression slope.
Intercept
0.0021
Linear regression intercept.
Saved 5 months ago · ID: stock-velo_stock-vst_daily_5y
Explore
Top 10 by absolute correlation
Ranked across both sides of this comparison using the same dense row format as the single-symbol correlations view.