Correlation Analysis
Coupang, Inc. vs Micron Technology, Inc.
CPNG vs MU
+0.091
Weak positive
When one moves up, the other tends to follow.
Coupang, Inc.
↗CPNG
Coupang is South Korea's largest e-commerce platform that sells both owned and third-party inventory. Headquartered in the US, Coupang operates e-commerce businesses mainly in South Korea and Taiwan. The company has built an integrated logistics network that covers the entirety of South Korea, with extensive fulfillment centers that ensure timely delivery, even for orders placed seconds before midnight. Outside of its bread-and-butter e-commerce business, Coupang has expanded into Rocket delivery services to third-party merchants (fulfillment and logistics by Coupang), online grocery delivery Rocket Fresh, online meal delivery (Eats), e-commerce in Taiwan, luxury e-commerce (Farfetch), and travel.
Market cap 35.7B · 108,000 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
CPNG leads MU by 6 days
CPNG tends to move before MU.
After testing 13 timing shifts, the strongest relationship was +0.105 (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
+0.335
9 periods · Return correlation when both series rose
Both Falling
+0.013
13 periods · Return correlation when both series fell
Diverging
-0.647
13 periods · Return correlation when series moved apart
R-Squared
0.8%
Share of variance in one series explained by the other.
Trend Agreement
60.1%
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 < 0.01
95% CI: [0.036, 0.146]
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
Coupang, Inc.
CPNG
Market cap 35.7B · 108,000 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
21
Estimated crossover points between normalized spreads.
Slope
0.9969
Linear regression slope.
Intercept
84.6307
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-cpng-vs-stock-mu-daily