Correlation Analysis
Micron Technology, Inc. vs Toast, Inc.
MU vs TOST
+0.254
Light positive
When one moves up, the other tends to follow.
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
Toast, Inc.
↗TOST
Toast Inc is a cloud-based, all-in-one digital technology platform purpose-built for the restaurant community. The company provides a comprehensive platform of software-as-a-service (SaaS) products and financial technology solutions, including integrated payment processing, restaurant-grade hardware, and a broad ecosystem of third-party partners. It serves as a restaurant operating system, connecting front of house and back of house operations across service models such as dine-in, takeout, and delivery. It operates through one reportable segment consisting of its SaaS products, financial technology solutions, integrated payments, hardware, and partner ecosystem.
Market cap 15.9B · 6,500 employees
Time Series
Relative Performance
Who Moves First
TOST leads MU by 6 days
TOST tends to move before MU.
After testing 13 timing shifts, the strongest relationship was +0.274 (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
-0.215
11 periods · Return correlation when both series rose
Both Falling
-0.309
8 periods · Return correlation when both series fell
Diverging
-0.482
16 periods · Return correlation when series moved apart
R-Squared
6.4%
Share of variance in one series explained by the other.
Trend Agreement
61.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,139
Deep shared window — 1,139 usable pairs.
Significance
p < 0.001
95% CI: [0.199, 0.307]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,139 paired data points survived the daily window.
Raw input
1,254
1,139
Normalized
1,254
1,139
Prepared
1,254
1,139
Aligned
1,139
1,139
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
115
A: 115 / B: 0
Series A
Micron Technology, Inc.
MU
Market cap 426B · 53,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Toast, Inc.
TOST
Market cap 15.9B · 6,500 employees
Stock · 1,139 raw → 1,139 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
0.0325
Linear regression slope.
Intercept
23.8893
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-mu-vs-stock-tost-daily