Correlation Analysis
Walmart Inc. Common Stock vs Xylem Inc
WMT vs XYL
+0.638
Moderate positive
When one moves up, the other tends to follow.
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
Xylem Inc
↗XYL
Xylem is a global leader in water technology and offers a wide range of solutions, including the transport, treatment, testing, and efficient use of water for customers in the utility, industrial, commercial, and residential sectors. Xylem was spun off from ITT in 2011. Based in Rye Brook, New York, Xylem has a presence in over 150 countries and employs 16,200. The company generated $9 billion in revenue in 2025.
Market cap 29.8B · 22,000 employees
Time Series
Relative Performance
Who Moves First
XYL leads WMT by 6 days
XYL tends to move before WMT.
After testing 13 timing shifts, the strongest relationship was +0.644 (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
+0.462
14 periods · Return correlation when both series rose
Both Falling
+0.307
7 periods · Return correlation when both series fell
Diverging
-0.646
14 periods · Return correlation when series moved apart
R-Squared
40.7%
Share of variance in one series explained by the other.
Trend Agreement
59.6%
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: [0.604, 0.670]
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
Walmart Inc. Common Stock
WMT
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
Xylem Inc
XYL
Market cap 29.8B · 22,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
19
Estimated crossover points between normalized spreads.
Slope
0.4672
Linear regression slope.
Intercept
85.4671
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-wmt-vs-stock-xyl-daily