Correlation Analysis
Apple Inc. vs Toast, Inc.
AAPL vs TOST
+0.454
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
Toast, Inc.
↗TOST
Toast Inc is a cloud-based, all-in-one digital technology platform purpose-built for the restaurant community. The company provides a comprehensive platform of software-as-a-service (SaaS) products and financial technology solutions, including integrated payment processing, restaurant-grade hardware, and a broad ecosystem of third-party partners. It serves as a restaurant operating system, connecting front of house and back of house operations across service models such as dine-in, takeout, and delivery. It operates through one reportable segment consisting of its SaaS products, financial technology solutions, integrated payments, hardware, and partner ecosystem.
Market cap 15.9B · 6,500 employees
Who Moves First
AAPL leads TOST by 6 days
AAPL tends to move before TOST.
Best correlation after shifting: +0.466 (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
+0.211
13 periods · Return correlation when both series rose
Both Falling
-0.025
12 periods · Return correlation when both series fell
Diverging
-0.613
10 periods · Return correlation when series moved apart
R-Squared
20.6%
Share of variance in one series explained by the other.
Trend Agreement
60.0%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,139
Deep shared window — 1,139 usable pairs.
Significance
p < 0.001
95% CI: [0.406, 0.499]
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,139 paired observations survived the daily window.
Raw input
1,254
1,139
Normalized
1,254
1,139
Prepared
1,254
1,139
Aligned
1,139
1,139
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
115
A: 115 / B: 0
Series A
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
Toast, Inc.
TOST
Market cap 15.9B · 6,500 employees
Stock · 1,139 raw → 1,139 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
27
Estimated crossover points between normalized spreads.
Slope
0.1194
Linear regression slope.
Intercept
4.3719
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-aapl-vs-stock-tost-daily-20260408-yocis7