Lowe's Companies, Inc. (LOW) vs Merck & Company, Inc. (MRK): Which Is the Better Buy in 2026?
As of 2026-08-05, LOW is undervalued at $218, with a DCF intrinsic value of $101485759367 and a margin of safety of 100%. MRK is undervalued at $128, with an intrinsic value of $1517562659128 and a margin of safety of 100%. Of the two, MRK has the wider margin of safety.
Rewards
- ★Lowe's Companies, Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Lowe's Companies, Inc. scores 80/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.
- ★Gross margin of 75.3% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Each dollar of retained earnings has created $4.94 of earning power — management is an exceptional capital allocator.
- ★Management has timed buybacks well — 2 out of 3 years showed value-accretive repurchases.
Risks
- ⚠Each dollar of retained earnings has produced only $0.05 of earning power — shareholders may have been better served by dividends.
- ⚠Beneish M-Score of 8.81 flags financial patterns consistent with potential earnings manipulation — warrants further investigation.
- ⚠Insiders have sold $5.8M worth of stock in the past 3 months — significant insider liquidation.
- ⚠PEG ratio of 12.06 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
- ⚠14 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
- ⚠Free cash flow has declined at a 5.6% CAGR over the past 4 years — a concerning trend.
Key Valuation Metrics
Learn more →Historical Fundamentals
Learn more →Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.
$1 Retained Earnings Test
Learn more →> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
Discounted Cash Flow (DCF) Analysis
Learn more →Reverse DCF — Market-Implied Growth
Learn more →What growth rate is the market pricing in at $218?
The market implies -8.6% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding -10.8%, reflecting heavy growth investment expected to generate future returns.
Requires positive FCF to compute implied growth rate.
Economic Moat Score
Learn more →Wide moat with strength across all dimensions. Margin Stability is the standout factor.
Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability would strengthen the moat.
Forensic Accounting
Learn more →M-Score Trend
M-Score Trend
Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
Ownership Breakdown
Learn more →High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.
Insider Buying Activity
Learn more →Open market purchases · includes direct & indirect ownership · excludes option exercises.
Insider Selling Activity
Learn more →Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.
🎭 Mr. Market's Mood
Learn more →"Market is pricing this stock without strong emotion in either direction"
"Market is optimistic — be cautious and ensure you have a margin of safety"
Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
⚖️ Buffett Signal
Learn more →The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.
The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.
Frequently Asked Questions: LOW vs MRK
Is Lowe's Companies, Inc. or Merck & Company, Inc. more undervalued in 2026?▼
Based on our discounted cash flow model, MRK trades at a 100.0% margin of safety (intrinsic value $1517562659128 vs. price $128), compared to LOW's 100.0% margin of safety (intrinsic $101485759367 vs. $218).
Which stock has a wider economic moat, Lowe's Companies, Inc. or Merck & Company, Inc.?▼
LOW scores 80/100 (Wide moat), while MRK scores 68/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Is Merck & Company, Inc. in financial distress?▼
MRK's Altman Z-Score of 1.9 places it in the Grey zone, signaling elevated bankruptcy risk. LOW scores 2.0 (Grey zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.
Which dividend is safer, Lowe's Companies, Inc.'s or Merck & Company, Inc.'s?▼
LOW's dividend earns a safety score of 94/100 (Very Safe), compared to MRK's 79/100 (Safe). LOW has raised its dividend for 3 consecutive years.
Does Lowe's Companies, Inc. have accounting red flags?▼
LOW's Beneish M-Score of 8.8 flags it as a likely earnings manipulator (above the -1.78 threshold). By contrast, MRK scores -2.3, within the normal range. The Beneish model detects aggressive accounting through eight financial ratios.