Correlation Analysis
Ball Corporation vs Micron Technology, Inc.
BALL vs MU
+0.069
Weak positive
When one moves up, the other tends to follow.
Ball Corporation
↗BALL
Ball is the world's largest metal can manufacturer with market share over 30% in its three main regions (North America, Europe, and South America). The company is focused on increasing capacity amid a wave of new developed-market demand, while also investing in faster-growing emerging-market economies. Ball spun-off its glass jar business in 1993 and is now owned by Newell. The company reports three segments-beverage packaging, North and Central America (48% of 2025 revenue), beverage packaging, EMEA (30%), beverage packaging, South America (16%)-and it generated $13 billion in revenue in 2025.
Market cap 15.9B · 16,000 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 BALL by 6 days
MU tends to move before BALL.
After testing 13 timing shifts, the strongest relationship was +0.093 (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
+0.496
15 periods · Return correlation when both series rose
Both Falling
-0.344
9 periods · Return correlation when both series fell
Diverging
-0.488
11 periods · Return correlation when series moved apart
R-Squared
0.5%
Share of variance in one series explained by the other.
Trend Agreement
57.1%
How often both series moved in the same direction period-to-period.
Overlap Quality
980
Deep shared window — 980 usable pairs.
Significance
p < 0.05
95% CI: [0.007, 0.131]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
980 paired data points survived the daily window.
Raw input
980
1,254
Normalized
980
1,254
Prepared
980
1,254
Aligned
980
980
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
274
A: 0 / B: 274
Series A
Ball Corporation
BALL
Market cap 15.9B · 16,000 employees
Stock · 980 raw → 980 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
0.8960
Linear regression slope.
Intercept
63.5469
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-ball-vs-stock-mu-daily