Correlation Analysis
Micron Technology, Inc. vs W.R. Berkley Corporation
MU vs WRB
+0.587
Moderate positive
When one moves up, the other tends to follow.
Micron Technology, Inc.
↗MU
Micron is one of the largest semiconductor companies in the world, specializing in memory and storage chips. Its primary revenue stream comes from dynamic random access memory, or DRAM, and it also has minority exposure to not-and or NAND, flash chips. Micron serves a global customer base, selling chips into data centers, mobile phones, consumer electronics, and industrial and automotive applications. The firm is vertically integrated.
Market cap 426B · 53,000 employees
W.R. Berkley Corporation
↗WRB
W.R. Berkley is an insurance holding company with a host of subsidiaries that primarily underwrite commercial casualty insurance. The firm specializes in niche products that include various excess and surplus lines, workers' compensation insurance, self-insurance consulting, reinsurance, and regional commercial lines for small and midsize businesses.
Market cap 24.8B · 8,804 employees
Time Series
Relative Performance
Who Moves First
WRB leads MU by 6 days
WRB tends to move before MU.
After testing 13 timing shifts, the strongest relationship was +0.599 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
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
-0.175
8 periods · Return correlation when both series rose
Both Falling
+0.542
7 periods · Return correlation when both series fell
Diverging
-0.538
20 periods · Return correlation when series moved apart
R-Squared
34.4%
Share of variance in one series explained by the other.
Trend Agreement
53.0%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.549, 0.622]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Micron Technology, Inc.
MU
Market cap 426B · 53,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
W.R. Berkley Corporation
WRB
Market cap 24.8B · 8,804 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
12
Estimated crossover points between normalized spreads.
Slope
0.0979
Linear regression slope.
Intercept
40.6709
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-mu-vs-stock-wrb-daily