QUALCOMM Incorporated (QCOM) vs Western Digital Corporation (WDC): Which Is the Better Buy in 2026?
As of 2026-08-03, QCOM is overvalued at $148, with a DCF intrinsic value of $127 and a margin of safety of -16%. WDC is undervalued at $545, with an intrinsic value of $145825765319 and a margin of safety of 100%. Of the two, WDC has the wider margin of safety.
Rewards
- ★QUALCOMM Incorporated has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★QUALCOMM Incorporated scores 73/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
- ★Free cash flow has grown at a 23.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★Free cash flow has grown at a 19.1% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★PEG ratio of 0.48 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
- ★Net debt/EBITDA of -0.4x means the company holds more cash than debt — a net cash position.
Risks
- ⚠FCF yield of 6.6% suggests reasonable valuation assuming continued moderate growth.
- ⚠15 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
- ⚠Altman Z-Score of 1.30 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
- ⚠10 insider sales totaling $9.9M 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 $148?
The market implies +11.9% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +4.5%, reflecting heavy growth investment.
What growth rate is the market pricing in at $545?
Economic Moat Score
Learn more →Wide moat driven primarily by reinvestment efficiency. Revenue Predictability is the area most vulnerable to competitive pressure.
No durable moat detected, though reinvestment efficiency shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.
Forensic Accounting
Learn more →M-Score Trend
Insufficient data for Beneish M-Score calculation (requires 2+ years).
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 pessimistic — investigate whether fears are temporary or structural"
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: QCOM vs WDC
Is QUALCOMM Incorporated or Western Digital Corporation more undervalued in 2026?▼
Based on our discounted cash flow model, WDC trades at a 100.0% margin of safety (intrinsic value $145825765319 vs. price $545), compared to QCOM's -15.8% margin of safety (intrinsic $127 vs. $148).
Which stock has a wider economic moat, QUALCOMM Incorporated or Western Digital Corporation?▼
QCOM scores 73/100 (Wide moat), while WDC scores 30/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Is Western Digital Corporation in financial distress?▼
WDC's Altman Z-Score of 1.3 places it in the Distress zone, signaling elevated bankruptcy risk. QCOM scores 6.5 (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, QUALCOMM Incorporated or Western Digital Corporation?▼
WDC earns 30.2% ROIC versus QCOM's 15.0%. 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, QUALCOMM Incorporated's or Western Digital Corporation's?▼
WDC's dividend earns a safety score of 85/100 (Very Safe), compared to QCOM's 84/100 (Very Safe). WDC has raised its dividend for 0 consecutive years.