AbbVie Inc. (ABBV) vs A. O. Smith Corporation (AOS): Which Is the Better Buy in 2026?
As of 2026-11-01, ABBV is overvalued at $295, with a DCF intrinsic value of $172 and a margin of safety of -71%. AOS is fairly valued at $63, with an intrinsic value of $74 and a margin of safety of 15%. Of the two, AOS has the wider margin of safety.
Rewards
- ★AbbVie Inc. has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
- ★Gross margin of 73.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★AbbVie Inc. scores 82/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
- ★A. O. Smith Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★A. O. Smith Corporation scores 93/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.
- ★Free cash flow has grown at a 19.4% CAGR over the past 4 years, demonstrating strong earnings power growth.
Risks
- ⚠Buybacks have been poorly timed — 3 out of 4 years involved repurchases at relatively expensive valuations.
- ⚠Insiders have sold $8.2M worth of stock in the past 3 months — significant insider liquidation.
- ⚠Free cash flow has declined at a 9.8% CAGR over the past 4 years — a concerning trend.
- ⚠FCF yield of 5.1% suggests reasonable valuation assuming continued moderate growth.
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 →Requires positive FCF to compute implied growth rate.
What growth rate is the market pricing in at $63?
The market implies +4.7% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +8.2%, reflecting heavy growth investment expected to generate future returns.
Economic Moat Score
Learn more →Wide moat with strength across all dimensions. Reinvestment Efficiency is the standout factor.
Wide moat with strength across all dimensions. Margin Stability 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: ABBV vs AOS
Is AbbVie Inc. or A. O. Smith Corporation more undervalued in 2026?▼
Based on our discounted cash flow model, AOS trades at a 15.2% margin of safety (intrinsic value $74 vs. price $63), compared to ABBV's -71.5% margin of safety (intrinsic $172 vs. $295).
Which stock has a wider economic moat, AbbVie Inc. or A. O. Smith Corporation?▼
AOS scores 93/100 (Wide moat), while ABBV scores 82/100 (Wide moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Is AbbVie Inc. in financial distress?▼
ABBV's Altman Z-Score of 2.4 places it in the Grey zone, signaling elevated bankruptcy risk. AOS scores 8.2 (Safe zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.
Which stock has higher return on invested capital, AbbVie Inc. or A. O. Smith Corporation?▼
ABBV earns 29.1% ROIC versus AOS's 22.0%. 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, AbbVie Inc.'s or A. O. Smith Corporation's?▼
AOS's dividend earns a safety score of 94/100 (Very Safe), compared to ABBV's 39/100 (Unsafe). AOS has raised its dividend for 3 consecutive years.