Correlation Analysis
Apple Inc. vs SoFi Technologies, Inc. Common Stock
AAPL vs SOFI
+0.570
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
SoFi Technologies, Inc. Common Stock
↗SOFI
SoFi is a financial-services company that was founded in 2011 and is based in San Francisco. Initially known for its student loan refinancing business, the company has expanded its product offerings to include personal loans, credit cards, mortgages, investment accounts, banking services, and financial planning. The company intends to be a one-stop shop for its clients' finances and operates solely through its mobile app and website. Through its acquisition of Galileo in 2020, the company also offers payment and account services for debit cards and digital banking.
Market cap 20.7B · 6,100 employees
Who Moves First
SOFI leads AAPL by 6 days
SOFI tends to move before AAPL.
Best correlation after shifting: +0.579 (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
+0.128
9 periods · Return correlation when both series rose
Both Falling
+0.374
12 periods · Return correlation when both series fell
Diverging
-0.575
14 periods · Return correlation when series moved apart
R-Squared
32.5%
Share of variance in one series explained by the other.
Trend Agreement
61.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,218
Deep shared window — 1,218 usable pairs.
Significance
p < 0.001
95% CI: [0.530, 0.606]
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,218 paired observations survived the daily window.
Raw input
1,254
1,218
Normalized
1,254
1,218
Prepared
1,254
1,218
Aligned
1,218
1,218
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
36
A: 36 / B: 0
Series A
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
SoFi Technologies, Inc. Common Stock
SOFI
Market cap 20.7B · 6,100 employees
Stock · 1,218 raw → 1,218 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
19
Estimated crossover points between normalized spreads.
Slope
0.0967
Linear regression slope.
Intercept
-6.1481
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AAPL
Apple Inc.
Highest
+0.935
Arista Networks
ANET · 1,254 observations
Lowest
-0.847
Fiserv, Inc. Common Stock
FISV · 644 observations
SOFI
SoFi Technologies, Inc. Common Stock
Highest
+0.778
Tesla, Inc. Common Stock
TSLA · 1,218 observations
Lowest
-0.006
Exxon Mobil Corporation
XOM · 1,218 observations
Saved 3 hours ago · ID: stock-aapl-vs-stock-sofi-daily-20260408-vykwwa