Mastercard Incorporated (MA) vs McKesson Corporation (MCK): Which Is the Better Buy in 2026?
As of 2026-08-03, MA is fairly valued at $573, with a DCF intrinsic value of $558 and a margin of safety of -3%. MCK is undervalued at $856, with an intrinsic value of $140987785214 and a margin of safety of 100%. Of the two, MCK has the wider margin of safety.
Rewards
- ★Mastercard Incorporated has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Gross margin of 100.0% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Mastercard Incorporated scores 99/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.
- ★McKesson Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★McKesson Corporation scores 89/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.
- ★Each dollar of retained earnings has created $1.28 of earning power — management is creating shareholder value.
Risks
- ⚠High leverage (2.33x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
- ⚠5 insider sales totaling $22.1M with no purchases in the past 3 months — insiders are reducing their exposure.
- ⚠Gross margin of 3.6% is low, suggesting a competitive or commodity-like market with limited pricing power.
- ⚠8 insider sales totaling $23.6M with no purchases in the past 3 months — insiders are reducing their exposure.
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 $573?
The market implies +15.1% Owner Earnings growth, roughly in line with history — reasonably priced.
Standard FCF implies +13.4%, reflecting ongoing growth investment.
What growth rate is the market pricing in at $856?
The market implies -30.0% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding -30.0%, reflecting heavy growth investment expected to generate future returns.
Economic Moat Score
Learn more →Wide moat with strength across all dimensions. ROIC Consistency is the standout factor.
Wide moat with strength across all dimensions. ROIC Consistency is the standout factor.
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 optimistic — be cautious and ensure you have a margin of safety"
"Market is pricing this stock without strong emotion in either direction"
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: MA vs MCK
Is Mastercard Incorporated or McKesson Corporation more undervalued in 2026?▼
Based on our discounted cash flow model, MCK trades at a 100.0% margin of safety (intrinsic value $140987785214 vs. price $856), compared to MA's -2.7% margin of safety (intrinsic $558 vs. $573).
Which stock has a wider economic moat, Mastercard Incorporated or McKesson Corporation?▼
MA scores 99/100 (Wide moat), while MCK scores 89/100 (Wide moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Which stock has higher return on invested capital, Mastercard Incorporated or McKesson Corporation?▼
MCK earns 80.1% ROIC versus MA's 56.0%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.
Which dividend is safer, Mastercard Incorporated's or McKesson Corporation's?▼
MCK's dividend earns a safety score of 94/100 (Very Safe), compared to MA's 94/100 (Very Safe). MCK has raised its dividend for 3 consecutive years.