Correlation Analysis
Regeneron Pharmaceuticals Inc vs Exxon Mobil Corporation
REGN vs XOM
+0.487
Moderate positive
When one moves up, the other tends to follow.
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
Exxon Mobil Corporation
↗XOM
ExxonMobil is an integrated oil and gas company that explores for, produces, and refines oil worldwide. In 2025, it produced 3.3 million barrels of liquids and 8.4 billion cubic feet of natural gas per day. At the end of 2024, reserves were 19.9 billion barrels of oil equivalent, 69% of which were liquids. The company is one of the world's largest refiners, with a total global refining capacity of 4.3 million barrels of oil per day, and is one of the world's largest manufacturers of commodity and specialty chemicals.
Market cap 680.7B
Time Series
Relative Performance
Who Moves First
REGN leads XOM by 6 days
REGN tends to move before XOM.
After testing 13 timing shifts, the strongest relationship was +0.489 (they moved in the same direction).
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
-0.597
14 periods · Return correlation when both series rose
Both Falling
+0.763
8 periods · Return correlation when both series fell
Diverging
-0.449
13 periods · Return correlation when series moved apart
R-Squared
23.7%
Share of variance in one series explained by the other.
Trend Agreement
54.0%
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: [0.444, 0.528]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points 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
Regeneron Pharmaceuticals Inc
REGN
Market cap 80.7B · 15,410 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Exxon Mobil Corporation
XOM
Market cap 680.7B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
66
Estimated crossover points between normalized spreads.
Slope
0.0700
Linear regression slope.
Intercept
50.0897
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
REGN
Regeneron Pharmaceuticals Inc
Highest
+0.471
Eli Lilly & Co.
LLY · 1,254 data points
Lowest
-0.331
Tesla, Inc. Common Stock
TSLA · 1,254 data points
Saved 4 hours ago · ID: stock-regn-vs-stock-xom-daily