Correlation Analysis
American International Group, Inc. vs Micron Technology, Inc.
AIG vs MU
+0.498
Moderate positive
When one moves up, the other tends to follow.
American International Group, Inc.
↗AIG
American International Group is one of the largest insurance and financial services firms in the world and has a global footprint. It operates through a wide range of subsidiaries that provide property, casualty, and life insurance. The company recently spun off its life insurance operations (Corebridge), but still retains a minority stake.
Market cap 40.9B · 22,100 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
AIG leads MU by 6 days
AIG tends to move before MU.
After testing 13 timing shifts, the strongest relationship was +0.508 (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
-0.324
9 periods · Return correlation when both series rose
Both Falling
-0.569
7 periods · Return correlation when both series fell
Diverging
-0.686
19 periods · Return correlation when series moved apart
R-Squared
24.8%
Share of variance in one series explained by the other.
Trend Agreement
58.6%
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: [0.456, 0.539]
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
American International Group, Inc.
AIG
Market cap 40.9B · 22,100 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
18
Estimated crossover points between normalized spreads.
Slope
3.4081
Linear regression slope.
Intercept
-117.6384
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AIG
American International Group, Inc.
Highest
+0.941
BERKSHIRE HATHAWAY Class B
BRK.B · 1,254 data points
Lowest
+0.126
Johnson & Johnson
JNJ · 1,254 data points
Saved 5 hours ago · ID: stock-aig-vs-stock-mu-daily