Correlation Analysis
Becton, Dickinson and Co. vs Walmart Inc. Common Stock
BDX vs WMT
-0.831
Strong inverse
When one moves up, the other tends to move down.
Becton, Dickinson and Co.
↗BDX
Becton Dickinson is the world's largest manufacturer and distributor of medical surgical products, such as needles, syringes, and sharps-disposal units. The company also manufactures prefilled devices, diagnostic instruments, and reagents, as well as flow cytometry and cell-imaging systems. On a 2025 sales basis, following the spinoff, BD Medical Essentials represented 34% of revenue, the Interventional segment 28%, Connected Care 25%, and Biopharma 13%. International revenue accounts for 43% of the company's business.
Market cap 44.2B · 72,000 employees
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 BDX by 6 days
WMT tends to move before BDX.
After testing 13 timing shifts, the strongest relationship was -0.834 (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
-0.223
14 periods · Return correlation when both series rose
Both Falling
+0.576
6 periods · Return correlation when both series fell
Diverging
-0.604
15 periods · Return correlation when series moved apart
R-Squared
69.0%
Share of variance in one series explained by the other.
Trend Agreement
58.1%
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: [-0.847, -0.813]
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
Becton, Dickinson and Co.
BDX
Market cap 44.2B · 72,000 employees
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
13
Estimated crossover points between normalized spreads.
Slope
-0.7348
Linear regression slope.
Intercept
238.2876
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-bdx-vs-stock-wmt-daily