Correlation Analysis
Amgen Inc vs Walmart Inc. Common Stock
AMGN vs WMT
+0.768
Strong positive
When one moves up, the other tends to follow.
Amgen Inc
↗AMGN
Amgen is a leader in biotechnology-based human therapeutics. Flagship drugs include red blood cell boosters Epogen and Aranesp, immune system boosters Neupogen and Neulasta, and Enbrel and Otezla for inflammatory diseases. Amgen introduced its first cancer therapeutic, Vectibix, in 2006 and markets bone-strengthening drugs Prolia/Xgeva (approved 2010) and Evenity (2019). The acquisition of Onyx Pharmaceuticals bolstered the firm's therapeutic oncology portfolio with Kyprolis. Recent launches include Repatha (cholesterol-lowering), Aimovig (migraine), Lumakras (lung cancer), and Tezspire (asthma). The 2023 Horizon acquisition brought several rare-disease drugs, including thyroid eye disease drug Tepezza. Amgen also has a growing biosimilar portfolio.
Market cap 184.7B
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
in sync
AMGN and WMT tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.768 (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
+0.746
13 periods · Return correlation when both series rose
Both Falling
N/A
3 periods · Return correlation when both series fell
Diverging
-0.647
19 periods · Return correlation when series moved apart
R-Squared
59.0%
Share of variance in one series explained by the other.
Trend Agreement
58.0%
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: [0.744, 0.790]
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
Amgen Inc
AMGN
Market cap 184.7B
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
57
Estimated crossover points between normalized spreads.
Slope
0.4798
Linear regression slope.
Intercept
-63.5363
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-amgn-vs-stock-wmt-daily