LLY vs MRK
As of Sep 20, 2026, ELI LILLY (LLY) scores 7.2/10 and Merck (MRK) 6.3/10 on AlphaStocks' five-model composite, so LLY scores higher. LLY trades 76% above its model fair value; MRK trades 34% below its model fair value.
LLY
ELI LILLY & Co
7.2
Consider Buy
$1,152.46
MRK
Merck & Co., Inc.
6.3
Consider Buy
$146.75
LLY vs MRK: Which is the Better Investment?
ELI LILLY & Co (LLY) scores 7.2/10 while Merck & Co., Inc. (MRK) scores 6.3/10 on AlphaStocks' composite model. ELI LILLY & Co has the higher composite rating of Consider Buy. On a P/E basis, Merck & Co., Inc. trades at 20.1x, making it the more attractively priced of the two. Merck & Co., Inc. trades further below its estimated fair value.
This comparison is algorithmically generated and is not financial advice.
| Metric | LLY | MRK |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 7.2/10▲ | 6.3/10 |
| Rating | Consider Buy▲ | Consider Buy |
| Price | $1,152.46 | $146.75 |
| P/E Ratio | 50.2 | 20.1▲ |
| ROE | 82.0%▲ | 35.0% |
| Market Cap | $1.0T | $363B |
| Fair Value | $656.48 | $220.96 |
| Dividend Yield | 0.5% | 2.6%▲ |
| Sector Rank | #11 of 168▲ | #37 of 168 |
| Model Verdicts | ||
| Piotroski | Strong▲ | Neutral |
| Buffett | Strong▲ | Attractive |
| Graham | Caution | Caution |
| Lynch | Neutral | Neutral |
| Greenblatt | Caution | Strong▲ |
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LLY vs MRK: Which Stock Scores Higher?
ELI LILLY & Co (LLY) and Merck & Co., Inc. (MRK) are both in the Health Care sector. LLY currently leads with a composite score of 7.2/10 (Consider Buy) compared to MRK's 6.3/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer