Correlation Analysis
Equifax, Incorporated vs Micron Technology, Inc.
EFX vs MU
-0.092
Weak inverse
When one moves up, the other tends to move down.
Equifax, Incorporated
↗EFX
Along with Experian and TransUnion, Equifax is one of the leading credit bureaus in the United States. Equifax's credit reports provide credit histories on millions of consumers, and the firm's services are critical to lenders' credit decisions. In addition, about 40% of the firm's revenue comes from workforce solutions, which provides income verification and employer human resources services. Equifax generates about 25% of its revenue from outside the United States.
Market cap 22B · 15,000 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
MU leads EFX by 6 days
MU tends to move before EFX.
After testing 13 timing shifts, the strongest relationship was -0.105 (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
-0.143
8 periods · Return correlation when both series rose
Both Falling
-0.273
9 periods · Return correlation when both series fell
Diverging
-0.689
18 periods · Return correlation when series moved apart
R-Squared
0.8%
Share of variance in one series explained by the other.
Trend Agreement
60.4%
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 < 0.01
95% CI: [-0.146, -0.036]
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
Equifax, Incorporated
EFX
Market cap 22B · 15,000 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
30
Estimated crossover points between normalized spreads.
Slope
-0.2141
Linear regression slope.
Intercept
156.5706
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-efx-vs-stock-mu-daily