Correlation Analysis
Micron Technology, Inc. vs Vulcan Materials Company(Holding Company)
MU vs VMC
+0.654
Strong 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

Vulcan Materials Company(Holding Company)
↗VMC
Vulcan Materials is the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). Its largest markets include Texas, California, Virginia, Tennessee, Georgia, Florida, North Carolina, and Alabama. In 2024, Vulcan sold 219.9 million tons of aggregates, 13.6 million tons of asphalt mix, and 3.6 million cubic yards of ready-mix. As of Dec. 31, 2024, the company had 16.5 billion tons of aggregate reserves.
Market cap 36.7B · 11,172 employees
Time Series
Relative Performance
Who Moves First
VMC leads MU by 6 days
VMC tends to move before MU.
After testing 13 timing shifts, the strongest relationship was +0.667 (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
+0.312
13 periods · Return correlation when both series rose
Both Falling
+0.684
11 periods · Return correlation when both series fell
Diverging
-0.387
11 periods · Return correlation when series moved apart
R-Squared
42.7%
Share of variance in one series explained by the other.
Trend Agreement
64.3%
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: [0.621, 0.684]
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

Vulcan Materials Company(Holding Company)
VMC
Market cap 36.7B · 11,172 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
38
Estimated crossover points between normalized spreads.
Slope
0.3886
Linear regression slope.
Intercept
180.7074
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MU
Micron Technology, Inc.
Highest
+0.982
Western Digital Corp.
WDC · 1,254 data points
Lowest
-0.640
Constellation Brands, Inc.
STZ · 1,254 data points
VMC
Vulcan Materials Company(Holding Company)
Highest
+0.942
Nvidia Corp
NVDA · 1,254 data points
Lowest
+0.246
Johnson & Johnson
JNJ · 1,254 data points
Saved 5 hours ago · ID: stock-mu-vs-stock-vmc-daily