LLY vs MRK

Eli Lilly and Merck & Co., both Healthcare

Eli Lilly is the larger company at $1.2T against $358B. On trailing earnings LLY is the cheaper of the two at a P/E of 42.8 against 115.3, a gap that is only a bargain if the two are growing at similar rates. Over the past year MRK returned +77% against +56% for LLY. The RyuScore puts MRK ahead, 76 against 60 out of 100.

Eli Lilly and Merck & Co. compared on valuation, return and the RyuScore
FigureLLYMRK
Last close$1274$145
Market cap$1.2T$358B
Trailing P/Elower is cheaper for the same earnings, not automatically better42.8115.3
Dividend yield0.5%2.2%
1-year return+56%+77%
5-year return+470%+111%
RyuScoresector-relative, 1–1060/10076/100

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Eli Lilly

Revenue of $23B in Q2 2026, net income $7.1B. Its largest reported line is Cardiometabolic Health, 47% of the disclosed total.

Merck & Co.

Revenue of $17B in Q2 2026, net income null. Its largest reported line is Keytruda, 49% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or see the correlation.