Correlation Analysis
International Business Machines Corporation vs Walmart Inc. Common Stock
IBM vs WMT
+0.947
Very strong positive
When one moves up, the other tends to follow.
International Business Machines Corporation
↗IBM
Incorporated in 1911, International Business Machines, or IBM, is one of the oldest technology companies in the world. It provides software, IT consulting services, and hardware to help business customers modernize their technology workflows. IBM operates in 175 countries and employs approximately 300,000 people. The company has a robust roster of business partners to service its clients, which includes 95% of all Fortune 500 companies. IBMs products, including Red Hat, watsonx, and mainframes, handle some of the worlds most important data workloads in areas like finance and retail.
Market cap 231.5B
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
IBM leads WMT by 6 days
IBM tends to move before WMT.
After testing 13 timing shifts, the strongest relationship was +0.949 (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
+0.410
15 periods · Return correlation when both series rose
Both Falling
+0.988
5 periods · Return correlation when both series fell
Diverging
-0.757
15 periods · Return correlation when series moved apart
R-Squared
89.6%
Share of variance in one series explained by the other.
Trend Agreement
60.9%
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: [0.941, 0.952]
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
International Business Machines Corporation
IBM
Market cap 231.5B
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
0.4037
Linear regression slope.
Intercept
-5.9947
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
IBM
International Business Machines Corporation
Highest
+0.956
JPMorgan Chase & Co.
JPM · 1,254 data points
Lowest
+0.356
Johnson & Johnson
JNJ · 1,254 data points
Saved 5 hours ago · ID: stock-ibm-vs-stock-wmt-daily