Correlation Analysis
Dollar General Corp. vs Micron Technology, Inc.
DG vs MU
-0.336
Light inverse
When one moves up, the other tends to move down.
Dollar General Corp.
↗DG
Since its beginning in 1939, Dollar General has grown to become the largest dollar store operator in the United States, with more than 20,000 small-box discount stores across 48 states. The firm generated $40 billion in fiscal 2024 sales. The retailer maintains a heavy concentration of stores in rural and low-income markets underserved by big-box retailers. It's 11,000 stock-keeping units, including 2,000 priced at $1 or less, span consumables (82% of sales), seasonal items (10%), home products (5%), and apparel (3%). More than 20% of sales are derived from private label.
Market cap 27.5B · 194,000 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
DG leads MU by 6 days
DG tends to move before MU.
After testing 13 timing shifts, the strongest relationship was -0.337 (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
+0.129
7 periods · Return correlation when both series rose
Both Falling
+0.472
12 periods · Return correlation when both series fell
Diverging
-0.438
16 periods · Return correlation when series moved apart
R-Squared
11.3%
Share of variance in one series explained by the other.
Trend Agreement
51.0%
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: [-0.384, -0.286]
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
Dollar General Corp.
DG
Market cap 27.5B · 194,000 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
9
Estimated crossover points between normalized spreads.
Slope
-0.4416
Linear regression slope.
Intercept
179.8393
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-dg-vs-stock-mu-daily