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Sandisk Corporation Common Stock (SNDK) vs Avg Hourly Earnings
Correlation
of % moves
+43%
In sync
of periods
86%
History
monthsmonths · through 2026-04
15
These move in the same direction about 86% of the time
Their swing sizes loosely line up (~18% 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.
Advanced
Statistics
In sync(i)
85.7%
Headline metric
Movement correlation(i)
+43%
Based on % moves
95% CI
-13% → +78%
Pipeline
Pipeline Summary
15 paired data points survived the monthly window.
Raw input
317
242
Normalized
317
242
Prepared
16
242
Aligned
15
15
Invalid removed
Likely range of correlation
R²(i)
18.2%
Variance explained
Significance
n.s.
Statistical confidence
Data points
15
Limited
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: -4 to 4 months.
Selected shift
No shift
Correlation at this shift
+43%
No shift — both series at their actual dates.
14 overlapping points at this shift
Baseline
+43%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+43%
A non-zero peak suggests one series lines up better when shifted against the other.
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
-30%
12 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
N/A
2 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
228
A: 1 / B: 227
Series A
Sandisk Corporation Common Stock (SNDK)
SNDK
Stock · 317 raw → 16 prepared
Series B
Avg Hourly Earnings
CES0500000003
FRED · 242 raw → 242 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0020
Linear regression slope.
Intercept
0.0024
Linear regression intercept.
Saved 3 weeks ago · ID: fred-ces0500000003_stock-sndk_monthly_5y