Correlation Analysis
PepsiCo, Inc. vs Walmart Inc. Common Stock
PEP vs WMT
-0.566
Moderate inverse
When one moves up, the other tends to move down.
PepsiCo, Inc.
↗PEP
PepsiCo is a global leader in snacks and beverages, owning well-known household brands including Pepsi, Mountain Dew, Gatorade, Lay's, Cheetos, and Doritos, among others. The company dominates the global savory snacks market and also ranks as the second-largest beverage provider in the world (behind Coca-Cola) with diversified exposure to carbonated soft drinks, or CSD, as well as water, sports, and energy drink offerings. Convenience foods account for approximately 58% of its total revenue, with beverages making up the rest. Pepsi owns the bulk of its manufacturing and distribution capacity in the US, but uses bottlers overseas for beverages. International markets made up 41% of total sales and 46% of operating profits before corporate expenses in 2025.
Market cap 214.2B
Walmart Inc. Common Stock
↗WMT
Since its founding in 1962, Walmart has become the world's largest retailer, operating over 10,700 stores globally (including 4,600 namesake locations on its home turf and another 600 Sam's Club outlets) and growing its e-commerce presence, attracting 270 million customers weekly. In aggregate, the firm posted more than $680 billion in fiscal 2025 sales. Its core operations span three reporting segments: Walmart US (68% of fiscal 2025 sales), Walmart International (18%), and Sam's Club (14%). Within the US, nearly 60% of its $465 billion in fiscal 2025 revenue came from its grocery offerings, with another quarter from general merchandise. Internationally, Walmart's operations are concentrated in Mexico, though it also has budding exposure to India.
Market cap 1T
Time Series
Relative Performance
Who Moves First
WMT leads PEP by 6 days
WMT tends to move before PEP.
After testing 13 timing shifts, the strongest relationship was -0.583 (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
+0.577
17 periods · Return correlation when both series rose
Both Falling
+0.102
5 periods · Return correlation when both series fell
Diverging
-0.632
13 periods · Return correlation when series moved apart
R-Squared
32.1%
Share of variance in one series explained by the other.
Trend Agreement
64.5%
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: [-0.603, -0.527]
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
PepsiCo, Inc.
PEP
Market cap 214.2B
Stock · 1,254 raw → 1,254 prepared
Series B
Walmart Inc. Common Stock
WMT
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
12
Estimated crossover points between normalized spreads.
Slope
-0.9637
Linear regression slope.
Intercept
224.1066
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-pep-vs-stock-wmt-daily