Correlation Analysis
Apple Inc. vs RBC Bearings Incorporated
AAPL vs RBC
+0.863
Very strong positive
When one moves up, the other tends to follow.
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
RBC Bearings Incorporated
↗RBC
RBC Bearings Inc is an international manufacturer and marketer of engineered precision bearings, components, and essential systems for the industrial, defense, and aerospace industries. The offering includes plain bearings, roller bearings, ball bearings, and engineered products. The company has two reportable segments: Industrial, which derives maximum revenue, and Aerospace/Defense. The Aerospace/Defense segment represents the end markets for the company's engineered bearings and precision components used in commercial aerospace, defense aerospace, and sea and ground defense applications; and the Industrial segment represents the end markets for its products used in various industrial applications. Geographically, the company generates a majority of its revenue from the United States.
Market cap 17.5B · 5,334 employees
Time Series
Relative Performance
Who Moves First
in sync
AAPL and RBC tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.863 (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
-0.416
10 periods · Return correlation when both series rose
Both Falling
+0.209
9 periods · Return correlation when both series fell
Diverging
-0.727
16 periods · Return correlation when series moved apart
R-Squared
74.5%
Share of variance in one series explained by the other.
Trend Agreement
59.2%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,009
Deep shared window — 1,009 usable pairs.
Significance
p < 0.001
95% CI: [0.847, 0.878]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,009 paired data points survived the daily window.
Raw input
1,254
1,009
Normalized
1,254
1,009
Prepared
1,254
1,009
Aligned
1,009
1,009
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
245
A: 245 / B: 0
Series A
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
RBC Bearings Incorporated
RBC
Market cap 17.5B · 5,334 employees
Stock · 1,009 raw → 1,009 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
41
Estimated crossover points between normalized spreads.
Slope
2.0663
Linear regression slope.
Intercept
-115.8060
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-rbc-daily-20260408-h9nm8b