Adobe Inc. (ADBE) vs Quest Diagnostics Incorporated (DGX): Which Is the Better Buy in 2026?
As of 2026-08-03, ADBE is undervalued at $250, with a DCF intrinsic value of $554 and a margin of safety of 55%. DGX is overvalued at $233, with an intrinsic value of $149 and a margin of safety of -56%. Of the two, ADBE has the wider margin of safety.
Rewards
- ★Adobe Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Gross margin of 89.4% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Adobe Inc. scores 100/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.
Risks
- ⚠Each dollar of retained earnings has produced only $0.36 of earning power — shareholders may have been better served by dividends.
- ⚠FCF yield of 5.3% suggests reasonable valuation assuming continued moderate growth.
- ⚠Trailing P/E of 24.8x is 30% above the historical average of 19.1x — the stock trades at a premium to its own history.
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 $250?
The market implies +1.8% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding -0.6%, reflecting heavy growth investment expected to generate future returns.
What growth rate is the market pricing in at $233?
The market implies +13.4% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +9.7%, reflecting heavy growth investment.
Economic Moat Score
Learn more →Wide moat with strength across all dimensions. ROIC Consistency is the standout factor.
Narrow moat with margin stability as the key competitive advantage. Improving roic consistency 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 pessimistic — investigate whether fears are temporary or structural"
"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: ADBE vs DGX
Is Adobe Inc. or Quest Diagnostics Incorporated more undervalued in 2026?▼
Based on our discounted cash flow model, ADBE trades at a 54.8% margin of safety (intrinsic value $554 vs. price $250), compared to DGX's -56.3% margin of safety (intrinsic $149 vs. $233).
Which stock has a wider economic moat, Adobe Inc. or Quest Diagnostics Incorporated?▼
ADBE scores 100/100 (Wide moat), while DGX scores 56/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Which company has better free cash flow, Adobe Inc. or Quest Diagnostics Incorporated?▼
Adobe Inc. (ADBE) generates a 9.3% free cash flow yield, compared to Quest Diagnostics Incorporated's 5.3%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.
Which stock has higher return on invested capital, Adobe Inc. or Quest Diagnostics Incorporated?▼
ADBE earns 37.8% ROIC versus DGX's 9.7%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.