AbbVie Inc. (ABBV) vs Southwest Airlines Co. (LUV): Which Is the Better Buy in 2026?
As of 2026-08-03, ABBV is overvalued at $251, with a DCF intrinsic value of $178 and a margin of safety of -41%. LUV is undervalued at $45, with an intrinsic value of $66 and a margin of safety of 32%. Of the two, LUV 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 72.8% 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.
- ★Share count has been reduced by 13% over the past 4 years through buybacks, increasing each share's claim on earnings.
- ★Trailing P/E of 28.1x is 32% below the historical average of 41.2x — potentially undervalued relative to its own history.
- ★PEG ratio of 0.36 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
Risks
- ⚠Buybacks have been poorly timed — 3 out of 4 years involved repurchases at relatively expensive valuations.
- ⚠Free cash flow has declined at a 9.8% CAGR over the past 4 years — a concerning trend.
- ⚠Gross margin of 22.4% is low, suggesting a competitive or commodity-like market with limited pricing power.
- ⚠Buybacks have been poorly timed — 2 out of 2 years involved repurchases at relatively expensive valuations.
- ⚠Beneish M-Score of -1.64 flags financial patterns consistent with potential earnings manipulation — warrants further investigation.
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.
Requires positive FCF to compute implied growth rate.
Economic Moat Score
Learn more →Wide moat with strength across all dimensions. Reinvestment Efficiency is the standout factor.
No durable moat detected, though revenue predictability shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.
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 LUV
Is AbbVie Inc. or Southwest Airlines Co. more undervalued in 2026?▼
Based on our discounted cash flow model, LUV trades at a 31.7% margin of safety (intrinsic value $66 vs. price $45), compared to ABBV's -40.7% margin of safety (intrinsic $178 vs. $251).
Which stock has a wider economic moat, AbbVie Inc. or Southwest Airlines Co.?▼
ABBV scores 82/100 (Wide moat), while LUV scores 37/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Is Southwest Airlines Co. in financial distress?▼
LUV's Altman Z-Score of 2.2 places it in the Grey zone, signaling elevated bankruptcy risk. ABBV scores 2.4 (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 stock has higher return on invested capital, AbbVie Inc. or Southwest Airlines Co.?▼
ABBV earns 27.6% ROIC versus LUV's 5.7%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.
Which dividend is safer, AbbVie Inc.'s or Southwest Airlines Co.'s?▼
LUV's dividend earns a safety score of 46/100 (Borderline), compared to ABBV's 39/100 (Unsafe). LUV has raised its dividend for 2 consecutive years.
Does Southwest Airlines Co. have accounting red flags?▼
LUV's Beneish M-Score of -1.6 flags it as a likely earnings manipulator (above the -1.78 threshold). By contrast, ABBV scores -2.9, within the normal range. The Beneish model detects aggressive accounting through eight financial ratios.