Correlation Analysis
Extra Space Storage, Inc. vs Micron Technology, Inc.
EXR vs MU
-0.299
Light inverse
When one moves up, the other tends to move down.
Extra Space Storage, Inc.
↗EXR
Extra Space Storage is a fully integrated real estate investment trust that owns, operates, and manages more than 4,200 self-storage properties in 43 states, with over 330 million net rentable square feet of storage space. Of these properties, approximately one half is wholly owned, while some facilities are owned through joint ventures and others are owned by third parties and managed by Extra Space Storage in exchange for a management fee.
Market cap 28.3B · 8,393 employees
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
Time Series
Relative Performance
Who Moves First
EXR leads MU by 5 days
EXR tends to move before MU.
After testing 13 timing shifts, the strongest relationship was -0.300 (they moved in opposite directions).
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
-0.258
7 periods · Return correlation when both series rose
Both Falling
-0.261
10 periods · Return correlation when both series fell
Diverging
-0.560
18 periods · Return correlation when series moved apart
R-Squared
8.9%
Share of variance in one series explained by the other.
Trend Agreement
55.4%
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: [-0.348, -0.248]
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
Extra Space Storage, Inc.
EXR
Market cap 28.3B · 8,393 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Micron Technology, Inc.
MU
Market cap 426B · 53,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
32
Estimated crossover points between normalized spreads.
Slope
-1.0046
Linear regression slope.
Intercept
266.3751
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-exr-vs-stock-mu-daily