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Correlation
of % moves
+47%
In sync
of periods
68%
History
daysdays · through 2026-09-10
621
These move in the same direction about 68% of the time
Their swing sizes loosely line up (~22% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
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.
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Advanced
Statistics
In sync(i)
68%
Headline metric
Movement correlation(i)
+47%
Based on % moves
95% CI
+40% → +52%
Likely range of correlation
Pipeline
Pipeline Summary
621 paired data points survived the daily window.
Raw input
621
1,254
Normalized
621
1,254
Prepared
621
1,254
Aligned
621
621
Invalid removed
R²(i)
22%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
620
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
+47%
No shift — both series at their actual dates.
620 overlapping points at this shift
Baseline
+47%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+47%
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
+53%
97 periods · Return correlation when both series rose
Both Falling
+59%
98 periods · Return correlation when both series fell
Diverging
-48%
53 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
633
A: 0 / B: 633
Series A
Astera Labs, Inc. Common Stock (ALAB)
ALAB
Stock · 621 raw → 621 prepared
Series B
Entegris Inc (ENTG)
ENTG
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
13
Estimated crossover points between normalized spreads.
Slope
0.2975
Linear regression slope.
Intercept
-0.0007
Linear regression intercept.
Saved 4 months ago · ID: stock-alab_stock-entg_daily_5y