Correlation Analysis
Amazon.Com Inc vs Regeneron Pharmaceuticals Inc
AMZN vs REGN
-0.045
Near-zero inverse
When one moves up, the other tends to move down.
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
Regeneron Pharmaceuticals Inc
↗REGN
Regeneron Pharmaceuticals discovers, develops, and commercializes products that fight eye disease, cardiovascular disease, cancer, and inflammation. The company has several marketed products, including low-dose Eylea and Eylea HD, approved for wet age-related macular degeneration and other eye diseases; Dupixent in immunology; Praluent for LDL cholesterol lowering; Libtayo in oncology; and Kevzara in rheumatoid arthritis. Regeneron is also developing monoclonal and bispecific antibodies with Sanofi, other collaborators, and independently, and has early-stage partnerships that bring new technology to the pipeline, including RNAi (Alnylam) and Crispr-based gene editing (Intellia).
Market cap 80.7B · 15,410 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads REGN by 6 days
AMZN tends to move before REGN.
Best correlation after shifting: -0.056 (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
-0.254
13 periods · Return correlation when both series rose
Both Falling
+0.627
5 periods · Return correlation when both series fell
Diverging
-0.711
17 periods · Return correlation when series moved apart
R-Squared
0.2%
Share of variance in one series explained by the other.
Trend Agreement
56.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
n.s.
95% CI: [-0.100, 0.010]
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
Regeneron Pharmaceuticals Inc
REGN
Market cap 80.7B · 15,410 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
26
Estimated crossover points between normalized spreads.
Slope
-0.1661
Linear regression slope.
Intercept
761.4360
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AMZN
Amazon.Com Inc
Highest
+0.941
Grayscale Bitcoin Trust ETF
GBTC · 1,066 observations
Lowest
-0.877
Humana Inc.
HUM · 1,254 observations
REGN
Regeneron Pharmaceuticals Inc
Highest
+0.487
Exxon Mobil Corporation
XOM · 1,254 observations
Lowest
-0.331
Tesla, Inc. Common Stock
TSLA · 1,254 observations
Saved 3 hours ago · ID: stock-amzn-vs-stock-regn-daily-20260408-7kr8s4