Correlation Analysis
American Electric Power Company, Inc. vs Eli Lilly & Co.
AEP vs LLY
+0.550
Moderate positive
When one moves up, the other tends to follow.
American Electric Power Company, Inc.
↗AEP
American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.
Market cap 71.9B · 17,581 employees
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
Time Series
Relative Performance
Who Moves First
LLY leads AEP by 6 days
LLY tends to move before AEP.
After testing 13 timing shifts, the strongest relationship was +0.555 (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
+0.699
14 periods · Return correlation when both series rose
Both Falling
+0.435
7 periods · Return correlation when both series fell
Diverging
-0.503
14 periods · Return correlation when series moved apart
R-Squared
30.2%
Share of variance in one series explained by the other.
Trend Agreement
55.0%
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: [0.510, 0.587]
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
American Electric Power Company, Inc.
AEP
Market cap 71.9B · 17,581 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Eli Lilly & Co.
LLY
Market cap 828.2B · 50,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
11.7595
Linear regression slope.
Intercept
-548.2354
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AEP
American Electric Power Company, Inc.
Highest
+0.797
Walmart Inc. Common Stock
WMT · 1,254 data points
Lowest
+0.510
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 7 hours ago · ID: stock-aep-vs-stock-lly-daily