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Correlation
of % moves
+38%
In sync
of periods
65%
History
daysdays · through 2026-05-22
546
These move in the same direction about 65% of the time
Their swing sizes only faintly line up (~14% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Advanced
Statistics
In sync(i)
65.4%
Headline metric
Movement correlation(i)
+38%
Based on % moves
95% CI
+30% → +45%
Likely range of correlation
Pipeline
Pipeline Summary
546 paired data points survived the daily window.
Raw input
993
546
Normalized
993
546
Prepared
993
546
Aligned
546
546
Invalid removed
R²(i)
14.2%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
546
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
+38%
No shift — both series at their actual dates.
545 overlapping points at this shift
Baseline
+38%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+38%
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
+21%
93 periods · Return correlation when both series rose
Both Falling
+50%
91 periods · Return correlation when both series fell
Diverging
-63%
65 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
447
A: 447 / B: 0
Series A
Symbotic Inc. Class A Common Stock (SYM)
SYM
Stock · 993 raw → 993 prepared
Series B
Astera Labs, Inc. Common Stock (ALAB)
ALAB
Stock · 546 raw → 546 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
23
Estimated crossover points between normalized spreads.
Slope
0.3818
Linear regression slope.
Intercept
0.0028
Linear regression intercept.
Saved 2 weeks ago · ID: stock-alab_stock-sym_daily_5y