Correlation Analysis
Apple Inc. vs Xylem Inc
AAPL vs XYL
+0.608
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
Xylem Inc
↗XYL
Xylem is a global leader in water technology and offers a wide range of solutions, including the transport, treatment, testing, and efficient use of water for customers in the utility, industrial, commercial, and residential sectors. Xylem was spun off from ITT in 2011. Based in Rye Brook, New York, Xylem has a presence in over 150 countries and employs 16,200. The company generated $9 billion in revenue in 2025.
Market cap 29.8B · 22,000 employees
Time Series
Rebased to 100
Who Moves First
XYL leads AAPL by 6 days
XYL tends to move before AAPL.
Best correlation after shifting: +0.619 (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
+0.079
11 periods · Return correlation when both series rose
Both Falling
+0.435
9 periods · Return correlation when both series fell
Diverging
-0.725
15 periods · Return correlation when series moved apart
R-Squared
37.0%
Share of variance in one series explained by the other.
Trend Agreement
63.2%
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: [0.572, 0.642]
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
Xylem Inc
XYL
Market cap 29.8B · 22,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
41
Estimated crossover points between normalized spreads.
Slope
0.2693
Linear regression slope.
Intercept
65.8995
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-aapl-vs-stock-xyl-daily-20260408-i59qsj