Correlation Analysis
Freeport-McMoran Inc. vs Micron Technology, Inc.
FCX vs MU
+0.734
Strong positive
When one moves up, the other tends to follow.
Freeport-McMoran Inc.
↗FCX
Freeport-McMoRan owns stakes in 10 copper mines, led by its 49% ownership of the Grasberg copper and gold operations in Indonesia, 55% of the Cerro Verde mine in Peru, and 72% of Morenci in Arizona. It sold around 1.1 million metric tons of copper (its share) in 2025, making it the one of the world's largest copper miners by volume. It also sold about 530,000 ounces of gold, mostly from Grasberg, and 74 million pounds of molybdenum. It had about 25 years of copper reserves at the end of December 2025. We expect it to sell about 1.3 million metric tons of copper and 610,000 ounces of gold midcycle in 2030.
Market cap 87.7B · 29,000 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
in sync
FCX and MU tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.734 (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
+0.702
11 periods · Return correlation when both series rose
Both Falling
+0.013
11 periods · Return correlation when both series fell
Diverging
-0.575
13 periods · Return correlation when series moved apart
R-Squared
53.9%
Share of variance in one series explained by the other.
Trend Agreement
62.6%
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: [0.707, 0.759]
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
Freeport-McMoran Inc.
FCX
Market cap 87.7B · 29,000 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
15
Estimated crossover points between normalized spreads.
Slope
8.0344
Linear regression slope.
Intercept
-223.4520
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-fcx-vs-stock-mu-daily