Correlation Analysis
GlobalFoundries Inc. Ordinary Shares vs Micron Technology, Inc.
GFS vs MU
-0.418
Moderate inverse
When one moves up, the other tends to move down.
GlobalFoundries Inc. Ordinary Shares
↗GFS
GlobalFoundries is a top-five contract semiconductor manufacturer globally. It was originally the manufacturing arm of Advanced Micro Devices before it was spun out in 2009. The foundry sells chips into a range of end markets including smartphones, PCs, Internet of Things, data centers, automotive, industrial, and so on, but primarily focuses on more mature process technologies. Until 2021, the firm was privately held by Mubadala Investment, the sovereign wealth fund of the United Arab Emirates, which remains its controlling shareholder today. GlobalFoundries merged with Chartered Semiconductor Manufacturing in 2009 and acquired IBM's chipmaking business in 2015. GF is headquartered in Malta, New York, and has about 13,000 staff.
Market cap 23.9B · 14,000 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
GFS leads MU by 6 days
GFS tends to move before MU.
After testing 13 timing shifts, the strongest relationship was -0.439 (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
+0.127
11 periods · Return correlation when both series rose
Both Falling
-0.397
7 periods · Return correlation when both series fell
Diverging
-0.312
17 periods · Return correlation when series moved apart
R-Squared
17.5%
Share of variance in one series explained by the other.
Trend Agreement
66.3%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,113
Deep shared window — 1,113 usable pairs.
Significance
p < 0.001
95% CI: [-0.466, -0.369]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,113 paired data points survived the daily window.
Raw input
1,113
1,254
Normalized
1,113
1,254
Prepared
1,113
1,254
Aligned
1,113
1,113
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
141
A: 0 / B: 141
Series A
GlobalFoundries Inc. Ordinary Shares
GFS
Market cap 23.9B · 14,000 employees
Stock · 1,113 raw → 1,113 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
-3.3355
Linear regression slope.
Intercept
278.6408
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
GFS
GlobalFoundries Inc. Ordinary Shares
Highest
-0.197
Johnson & Johnson
JNJ · 1,113 data points
Lowest
-0.807
Mastercard Incorporated
MA · 1,113 data points
Saved 6 hours ago · ID: stock-gfs-vs-stock-mu-daily