Correlation Analysis
Apple Inc. vs Keysight Technologies, Inc.
AAPL vs KEYS
+0.401
Moderate 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
Keysight Technologies, Inc.
↗KEYS
Keysight Technologies is a leader in the field of testing and measurement, helping electronics OEMs and suppliers alike bring products to market to fit industry standards and specifications. Keysight specializes in the communications market, but also supplies into the government, automotive, industrial, and semiconductor manufacturing markets. Keysight's solutions include testing tools, analytical software, and services. The firm's stated objective is to reduce time to market and improve efficiency at its more than 30,000 customers.
Market cap 50.2B · 16,600 employees
Time Series
Relative Performance
Who Moves First
in sync
AAPL and KEYS tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.401 (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
-0.190
16 periods · Return correlation when both series rose
Both Falling
+0.557
8 periods · Return correlation when both series fell
Diverging
-0.490
11 periods · Return correlation when series moved apart
R-Squared
16.1%
Share of variance in one series explained by the other.
Trend Agreement
67.5%
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: [0.353, 0.446]
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
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Keysight Technologies, Inc.
KEYS
Market cap 50.2B · 16,600 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
22
Estimated crossover points between normalized spreads.
Slope
0.2762
Linear regression slope.
Intercept
111.9609
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-keys-daily-20260408-ejizn4