Correlation Analysis
Micron Technology, Inc. vs Rivian Automotive, Inc. Class A Common Stock
MU vs RIVN
-0.171
Weak inverse
When one moves up, the other tends to move down.
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
Rivian Automotive, Inc. Class A Common Stock
↗RIVN
Rivian is a battery electric vehicle automaker that sells its vehicles in the US and Canada. The company also develops electronic control units and related software for autos in a joint venture with Volkswagen. Rivian has multiple vehicles in its fleet, which include a luxury truck and full-size SUV and a delivery van. The company plans to begin selling a midsize SUV in 2026. Total deliveries were over 42,000 in 2025. Rivian is also developing autonomous driving software to be used in its vehicles.
Market cap 19B · 15,232 employees
Time Series
Relative Performance
Who Moves First
MU leads RIVN by 6 days
MU tends to move before RIVN.
After testing 13 timing shifts, the strongest relationship was -0.175 (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
-0.322
12 periods · Return correlation when both series rose
Both Falling
-0.529
10 periods · Return correlation when both series fell
Diverging
-0.467
13 periods · Return correlation when series moved apart
R-Squared
2.9%
Share of variance in one series explained by the other.
Trend Agreement
61.3%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,104
Deep shared window — 1,104 usable pairs.
Significance
p < 0.001
95% CI: [-0.228, -0.114]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,104 paired data points survived the daily window.
Raw input
1,254
1,104
Normalized
1,254
1,104
Prepared
1,254
1,104
Aligned
1,104
1,104
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
150
A: 150 / B: 0
Series A
Micron Technology, Inc.
MU
Market cap 426B · 53,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Rivian Automotive, Inc. Class A Common Stock
RIVN
Market cap 19B · 15,232 employees
Stock · 1,104 raw → 1,104 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
23
Estimated crossover points between normalized spreads.
Slope
-0.0446
Linear regression slope.
Intercept
28.6567
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MU
Micron Technology, Inc.
Highest
+0.982
Western Digital Corp.
WDC · 1,254 data points
Lowest
-0.640
Constellation Brands, Inc.
STZ · 1,254 data points
RIVN
Rivian Automotive, Inc. Class A Common Stock
Highest
+0.170
Tesla, Inc. Common Stock
TSLA · 1,104 data points
Lowest
-0.728
Exxon Mobil Corporation
XOM · 1,104 data points
Saved 7 hours ago · ID: stock-mu-vs-stock-rivn-daily