Correlation Analysis
Duke Energy Corporation vs Micron Technology, Inc.
DUK vs MU
+0.608
Moderate positive
When one moves up, the other tends to follow.
Duke Energy Corporation
↗DUK
Duke Energy is one of the largest US utilities, with subsidiaries in the Carolinas, Indiana, Florida, Ohio, and Kentucky that deliver electricity to more than 8 million customers. Its natural gas utilities serve more than 1.6 million customers.
Market cap 102.3B · 26,441 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 DUK by 6 days
MU tends to move before DUK.
After testing 13 timing shifts, the strongest relationship was +0.611 (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
+0.465
9 periods · Return correlation when both series rose
Both Falling
+0.230
8 periods · Return correlation when both series fell
Diverging
-0.790
18 periods · Return correlation when series moved apart
R-Squared
37.0%
Share of variance in one series explained by the other.
Trend Agreement
47.0%
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: [0.572, 0.642]
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
Duke Energy Corporation
DUK
Market cap 102.3B · 26,441 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
19
Estimated crossover points between normalized spreads.
Slope
4.2947
Linear regression slope.
Intercept
-348.2905
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-duk-vs-stock-mu-daily