Correlation Analysis
Apple Inc. vs Everpure, Inc.
AAPL vs PSTG
+0.905
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
Everpure, Inc.
↗PSTG
Everpure Inc is a globalised technology company providing an integrated storage and data management platform. Data is foundational to customers' business transformation and increasingly central to their operational resilience and competitive differentiation. The company has evolved into a company that delivers a cloud experience with an intelligent, unified storage and data management platform (the Everpure Platform) that virtualizes data across on-premises, hybrid, and public cloud, and edge environments into a single storage layer with consistent control, built-in automation, and continuous modernization. Its business activities are a single operating and reportable segment. Operating in the USA and Rest of world, having maximum revenue in the USA.
Market cap 20.2B · 6,400 employees
Who Moves First
PSTG leads AAPL by 6 days
PSTG tends to move before AAPL.
Best correlation after shifting: +0.910 (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
+0.204
17 periods · Return correlation when both series rose
Both Falling
+0.784
8 periods · Return correlation when both series fell
Diverging
-0.389
10 periods · Return correlation when series moved apart
R-Squared
81.8%
Share of variance in one series explained by the other.
Trend Agreement
65.5%
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: [0.894, 0.914]
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
Everpure, Inc.
PSTG
Market cap 20.2B · 6,400 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
45
Estimated crossover points between normalized spreads.
Slope
0.4139
Linear regression slope.
Intercept
-35.0925
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-aapl-vs-stock-pstg-daily-20260408-issmod