Correlation Analysis
Eli Lilly & Co. vs Yum! Brands, Inc.
LLY vs YUM
+0.767
Strong positive
When one moves up, the other tends to follow.
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
Yum! Brands, Inc.
↗YUM
As of the end of 2025, Yum Brands generated over $68 billion in systemwide sales from more than 63,000 restaurants across 155 markets, making it the world's second-largest restaurant firm by dollar sales. Its portfolio includes KFC (33,897 stores), Pizza Hut (19,974), Taco Bell (9,030), and Habit Burger (384), with 72% of locations in international markets. As 97% of its portfolio is franchised, Yum's business model is tilted toward recurring franchise royalties and marketing contributions (64% of revenue), with the balance derived from sales at company-owned locations. The company traces its roots to a 1997 spinoff of PepsiCo's restaurant assets.
Market cap 43.5B · 49,000 employees
Time Series
Relative Performance
Who Moves First
in sync
LLY and YUM tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.767 (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
+0.316
15 periods · Return correlation when both series rose
Both Falling
-0.481
7 periods · Return correlation when both series fell
Diverging
-0.837
13 periods · Return correlation when series moved apart
R-Squared
58.9%
Share of variance in one series explained by the other.
Trend Agreement
55.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.744, 0.789]
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
Yum! Brands, Inc.
YUM
Market cap 43.5B · 49,000 employees
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
0.0351
Linear regression slope.
Intercept
112.7737
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-lly-vs-stock-yum-daily