Correlation Analysis
Eli Lilly & Co. vs Norfolk Southern Corp.
LLY vs NSC
+0.131
Weak 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
Norfolk Southern Corp.
↗NSC
Class I railroad Norfolk Southern operates in the Eastern United States. On more than 20,000 miles of track, the rail hauls shipments of coal, intermodal traffic, and a diverse mix of automotive, agricultural, metal, chemical, and forest products.
Market cap 64.7B · 19,300 employees
Time Series
Relative Performance
Who Moves First
LLY leads NSC by 6 days
LLY tends to move before NSC.
After testing 13 timing shifts, the strongest relationship was +0.140 (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
-0.223
14 periods · Return correlation when both series rose
Both Falling
+0.860
8 periods · Return correlation when both series fell
Diverging
-0.670
13 periods · Return correlation when series moved apart
R-Squared
1.7%
Share of variance in one series explained by the other.
Trend Agreement
56.0%
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: [0.076, 0.185]
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
Norfolk Southern Corp.
NSC
Market cap 64.7B · 19,300 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0133
Linear regression slope.
Intercept
242.3264
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-lly-vs-stock-nsc-daily