Correlation Analysis
Amazon.Com Inc vs PTC, INC
AMZN vs PTC
+0.739
Strong positive
When one moves up, the other tends to follow.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
PTC, INC
↗PTC
PTC is a US-based global company that offers high-end computer-assisted design, product lifecycle management, and augmented reality solutions that industrial manufacturers commonly use on factory floors. Founded in 1985, PTC is a major player in parametric design and serves some of the world's most well-known equipment manufacturers, such as Caterpillar, Garmin, and Thermo Fisher.
Market cap 17.2B · 7,000 employees
Time Series
Rebased to 100
Who Moves First
PTC leads AMZN by 6 days
PTC tends to move before AMZN.
Best correlation after shifting: +0.757 (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
+0.665
12 periods · Return correlation when both series rose
Both Falling
+0.542
10 periods · Return correlation when both series fell
Diverging
-0.522
13 periods · Return correlation when series moved apart
R-Squared
54.6%
Share of variance in one series explained by the other.
Trend Agreement
64.3%
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: [0.713, 0.763]
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
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
PTC, INC
PTC
Market cap 17.2B · 7,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
34
Estimated crossover points between normalized spreads.
Slope
0.5217
Linear regression slope.
Intercept
63.4309
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-ptc-daily-20260408-pv87rj