Correlation Analysis
Eli Lilly & Co. vs UNITEDHEALTH GROUP INCORPORATED (Delaware)
LLY vs UNH
-0.212
Light inverse
When one moves up, the other tends to move down.
Eli Lilly & Co.
↗LLY
Eli Lilly is a drug firm with a focus on neuroscience, cardiometabolic, cancer, and immunology. Lilly's key products include Verzenio for cancer; Mounjaro, Zepbound, Jardiance, Trulicity, Humalog, and Humulin for cardiometabolic; and Taltz and Olumiant for immunology.
Market cap 828.2B · 50,000 employees
UNITEDHEALTH GROUP INCORPORATED (Delaware)
↗UNH
UnitedHealth Group is one of the largest private health insurers and provides medical benefits to about 51 million members globally, including 1 million outside the US as of December 2025. As a leader in employer-sponsored, self-directed, and government-backed insurance plans, UnitedHealth has obtained massive scale in medical insurance. Along with its insurance assets, UnitedHealth's Optum franchises help create a healthcare services colossus that spans everything from pharmaceutical benefits to providing outpatient care and analytics to affiliates and third parties.
Market cap 255.4B
Time Series
Relative Performance
Who Moves First
LLY leads UNH by 6 days
LLY tends to move before UNH.
After testing 13 timing shifts, the strongest relationship was -0.223 (they moved in opposite directions).
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
-0.238
14 periods · Return correlation when both series rose
Both Falling
-0.200
7 periods · Return correlation when both series fell
Diverging
-0.420
14 periods · Return correlation when series moved apart
R-Squared
4.5%
Share of variance in one series explained by the other.
Trend Agreement
60.3%
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: [-0.264, -0.158]
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
Eli Lilly & Co.
LLY
Market cap 828.2B · 50,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
UNITEDHEALTH GROUP INCORPORATED (Delaware)
UNH
Market cap 255.4B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
-0.0666
Linear regression slope.
Intercept
501.0980
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
LLY
Eli Lilly & Co.
Highest
+0.939
Vertex Pharmaceuticals Inc
VRTX · 1,254 data points
Lowest
-0.889
United Parcel Service, Inc. Class B
UPS · 1,254 data points
UNH
UNITEDHEALTH GROUP INCORPORATED (Delaware)
Highest
-0.079
Exxon Mobil Corporation
XOM · 1,254 data points
Lowest
-0.611
Micron Technology, Inc.
MU · 1,254 data points
Saved 6 hours ago · ID: stock-lly-vs-stock-unh-daily