Correlation Analysis
Apple Inc. vs Bristol-Myers Squibb Co.
AAPL vs BMY
-0.636
Moderate inverse
When one moves up, the other tends to move down.
Apple Inc.
↗AAPL
Apple is among the largest companies in the world, with a broad portfolio of hardware and software products targeted at consumers and businesses. Apple's iPhone makes up a majority of the firm sales, and Apple's other products like Mac, iPad, and Watch are designed around the iPhone as the focal point of an expansive software ecosystem. Apple has progressively worked to add new applications, like streaming video, subscription bundles, and augmented reality. The firm designs its own software and semiconductors while working with subcontractors like Foxconn and TSMC to build its products and chips. Slightly less than half of Apple's sales come directly through its flagship stores, with a majority of sales coming indirectly through partnerships and distribution.
Market cap 3.8T
Bristol-Myers Squibb Co.
↗BMY
Bristol Myers Squibb discovers, develops, and markets drugs for various therapeutic areas, such as cardiovascular, cancer, and immune disorders. A key focus for Bristol is immuno-oncology, where the firm is a leader in drug development. Bristol derives close to 70% of total sales from the US, showing a higher dependence on the US market than most of its peer group.
Market cap 121.1B · 32,500 employees
Who Moves First
BMY leads AAPL by 6 days
BMY tends to move before AAPL.
Best correlation after shifting: -0.665 (13 shifts scanned)
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
-0.744
8 periods · Return correlation when both series rose
Both Falling
-0.359
8 periods · Return correlation when both series fell
Diverging
-0.523
19 periods · Return correlation when series moved apart
R-Squared
40.5%
Share of variance in one series explained by the other.
Trend Agreement
53.3%
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: [-0.668, -0.602]
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations 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
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Bristol-Myers Squibb Co.
BMY
Market cap 121.1B · 32,500 employees
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
-0.1590
Linear regression slope.
Intercept
89.4744
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-aapl-vs-stock-bmy-daily-20260408-8jxcef