Comcast Corp (CMCSA) stock analysis
Comcast Corp (CMCSA) clears 5 of this site's 8 mechanical value filters, 6 of 8 Buffett-style checks and 3 of 5 Lynch-style checks. At $22.84 it trades 73.2% below this site's neutral DCF value (a margin of safety of +73.2%). Its earnings quality rates Strong and it returns +13.2% to shareholders net of dilution. Figures are as of October 23, 2026, from SEC filings and market data refreshed weekly; this is educational analysis, not investment advice.
Data as of October 23, 2026. Refreshed weekly from SEC filings and market data.
What does Comcast do?
Comcast provides broadband internet and cable TV in the US under the Xfinity brand, owns the NBCUniversal studios, networks, Peacock streaming service and theme parks, and operates the European pay-TV company Sky.
Brands and businesses it owns
- Xfinity
- Comcast Business
- NBC
- Peacock
- Universal Pictures
- Universal Parks & Resorts
- DreamWorks Animation
- Telemundo
- Sky
What stands out about Comcast?
- The share price implies falling cash flow. At $22.84, even free cash flow per share shrinking 15% a year would still be worth more than the price in this site's DCF. Change the assumptions.
- Misses 1 of the 8 value filters. It fails EPS Growth YoY > -5% (-66.9%); the other 5 pass and 2 were not evaluated. See every filter.
- Strongest against peers: free-cash-flow yield. At 21.8% (peer median 3.6%) it ranks 1st of 10 among telecom & communications stocks this site tracks. See the ranking.
- Weakest against peers: revenue growth. At 0.6% (peer median 10.0%) it ranks 10th of 10 among telecom & communications stocks this site tracks. See the ranking.
- Balance sheet in the grey zone. Its Altman Z″-Score is 1.79; below 1.1 is the distress zone, 1.1 to 2.6 the grey zone. See the Altman Z″-Score list.
How has Comcast's share price moved?
The interactive price chart needs JavaScript.
Is Comcast undervalued? The value diligence check
Every value-investing signal this site computes for this stock, gathered in one place: the same real numbers from the tools below, not a new score.
- Margin of safety (DCF) +73.2%
- P/E vs. its own history 7.3x · near the cheap end Real range: 5.2x–27.0x over 5 years (net income per diluted share from each fiscal year's 10-K, paired with the real closing price at that fiscal year-end).
- Wall St. analyst rating Hold · 3.45/5 38 analysts this month: 5 strong buy, 11 buy, 18 hold, 4 sell, 0 strong sell (Finnhub).
- Altman Z″-Score (bankruptcy risk) 1.79 · Grey zone
- Earnings quality (is the profit real?) Strong · all 5 checks clean Beneish M-score −2.70 · accruals −5.1% of assets · 174% of profit arrived as cash · stock comp 1.0% of revenue · share count −5.4% a year. From the latest 10-K (year to Dec 2025) - see the Earnings Quality Screener for how each check is scored.
- Shareholder yield (cash back to owners) +13.2% net Latest fiscal year (2025): dividends 6.0% + buybacks 8.8% − stock comp 1.6%, as a share of today's market cap. Over 14 years its split-adjusted share count fell 33%. See Shareholder Yield Leaders.
- Capital needed to grow (See's test) $5.96 per $1 of new profit · Capital-hungry · but only 21% return on capital Operating profit $18B → $22B, capital needed $82B → $109B, 2016–2025 (3-year averages); return on capital now 21% before tax. Buffett's See's Candies needed $0.42 per $1 of new profit, FlightSafety $3.20, a typical grower about $5. See Capital-Light Compounders.
- PEG (growth at a reasonable price) n/a (falling or negative earnings)
- Compounder lenses (4) 2 of 4 · misses capital-light, price (n/a) Capital-light growth: not cleared (profit grew 1.2×, under 2×); Profit is real: cleared; Cash to owners: cleared; Fair price (PEG): cannot be measured (falling or negative earnings). See Compounders at a Fair Price, which also lets you move the PEG bar.
- Value trap check Clear
- Munger's Inversion Check 0 flags
- Standing vs. sector peers 4 of 7 measures above the median Compared with the 9 other telecom & communications stocks this site tracks: 3 in the top third, 3 in the bottom third.
- Dividend payout sustainability 0/6 · clean
How does Comcast compare with its peers?
4 of 7 measures sit above the median of the 9 other telecom & communications stocks tracked here, 3 in the top third and 3 in the bottom third.
- P/E ratiolower is cheaper · peer median 31.2× 7.3× ✓2nd of 9
- Free-cash-flow yieldhigher is cheaper · peer median 3.6% 21.8% ✓1st of 10
- Return on equityhigher is better · peer median 20% 12% ✕9th of 10
- Net marginhigher is better · peer median 14.3% 9.0% ✕9th of 10
- Revenue growthhigher is better, year on year · peer median 10.0% 0.6% ✕10th of 10
- Debt / equitylower is safer · peer median 1.03 1.01 –5th of 10
- Dividend yieldamong dividend payers · peer median 3.88% 5.96% ✓2nd of 6
Peers are the stocks this site tracks in the same sector group, not every listed competitor. The bar runs from the weakest peer (left) to the strongest (right); the tick is the middle. Measures that don't apply to a sector (cash-flow yield for banks, debt for financials) are left out.
What would Buffett & Lynch say?
Buffett's checklist is built around durable, profitable businesses bought at sensible prices, and CMCSA doesn't clear enough of it yet. In its favor: CMCSA is currently earning a strong return on shareholders' equity, and has kept that profitability up over five years, not just this year, has grown earnings per share at a solid clip over five years, earns many times its interest expense, so debt service isn't a worry, is trading below what a conservative discounted-cash-flow estimate says it's worth - his own "price is what you pay, value is what you get" test, not a fixed multiple ceiling, and trades at a reasonable multiple of owner earnings, his own term for the real cash a business could pay out. Where it comes up short: CMCSA carries more debt relative to equity than he typically tolerates, and runs thinner pretax margins than he'd like to see.
- ROE (TTM) > 11% ✓
- ROE (5yr avg) > 11% ✓
- Debt/Equity < 0.5 ✕
- Pretax margin > 15% ✕
- EPS growth (5yr) > 7% ✓
- Interest coverage > 5x ✓
- Trading below intrinsic value (DCF) ✓
- Price vs. owner earnings < 25x ✓
- Bonus: returning capital via buybacks FY2025
Lynch looked for growth stories that weren't overpriced for that growth, and CMCSA falls short of his bar. In its favor: CMCSA pays a real dividend, the actual reason he bought slow growers at all, is cheap enough for a business with limited growth ahead of it, and converts earnings into real cash at a reasonable price. Where it comes up short: CMCSA isn't even growing at the modest pace he'd expect from a slow grower, and carries more debt than he liked to see, even allowing for the extra room a large, stable business gets.
- Dividend yield > 2.5% ✓
- EPS growth 0%-10% ✕
- Debt/Equity < 0.6 ✕
- P/E < 20 ✓
- Price/FCF < 25 ✓
Quantitative approximations of each investor's documented approach, not endorsed by either investor or their estates - commentary, not this site's actual ranking criteria. Buffett never published a numeric checklist: only 2 of his 8 checks here trace to his own documented concepts ("owner earnings," from his 1986 shareholder letter, and "price is what you pay, value is what you get," his case against fixed P/E/P/B ceilings) - the other 6 (ROE, debt, margins, growth, interest coverage) use commonly-cited thresholds that are not numbers he himself published. The 8 hard filters below (plus the Munger check and Graham margin of safety) are this site's real, mechanical screen and are computed completely independently of the checklists above.
Berkshire Hathaway's own filing
Which of the 8 value filters does Comcast pass?
- Market Cap > $25B $81.6B
- Trailing P/E < 25 7.28
- PEG Ratio < 1.5 -4.62
- Price/Book < 8 0.91
- Price/Sales < 7 0.65
- EPS Growth YoY > -5% -66.9%
- vs 50-day MA (±12%) Not evaluated †
- vs 200-day MA (±12%) Not evaluated †
What is Comcast's margin of safety?
+75% on 2026-10-07 → +73% on 2026-10-23 (5 weekly readings).
Where is Comcast in its 52-week range?
What is the short interest in Comcast?
69,389,724 shares short as of 2026-09-30 (FINRA settlement date). Reported twice a month, so this only changes roughly every two weeks, not daily.
What could go wrong with Comcast? Munger's inversion check
"Invert, always invert." Instead of reasons to buy, these are reasons to hesitate, not a verdict, and not everything worth knowing about a business.
- Margin of safety, even in the bull case +84%
- Short interest under 5% of float 2.0%
- Passes most of the 6 fundamental filters 5/6 passed
- Price run-up backed by value, not just momentum +10% off 52wk low
- Debt/equity stable since 2016 1.13 → 1.02
Doesn't cover circle of competence, management quality, or accounting concerns: those need judgment, not data.
How much have Comcast shareholders gained per year?
Earnings growth per share plus dividend.
An earnings-based proxy, not a stock-price total return - it doesn't capture multiple expansion/contraction or reinvested dividends. EPS from CMCSA's own 10-K filings; dividend yield is the current trailing yield on today's price, from the same weekly fetch as the rest of this site.
What do Comcast's 10-year financials show?
From CMCSA's own 10-K filings (SEC EDGAR): up to the last 10 fiscal years. Press any year's bars for the exact figures.
Frequently asked questions about Comcast
What kind of company is Comcast?
Comcast provides broadband internet and cable TV in the US under the Xfinity brand, owns the NBCUniversal studios, networks, Peacock streaming service and theme parks, and operates the European pay-TV company Sky. Brands and businesses it owns include Xfinity, Comcast Business, NBC, Peacock, Universal Pictures and Universal Parks & Resorts. This site groups it with Telecommunication stocks.
Is Comcast trading above or below its DCF value?
At $22.84, CMCSA trades 73.2% below this site's neutral DCF value of $85.20 per share, a margin of safety of +73.2%. That DCF projects free cash flow for 10 years, with growth starting at 8% and fading to 2.5%, discounted at 10%; it is one set of assumptions, not a forecast. Test your own in the Intrinsic Value Calculator.
How many of this site's 8 value filters does Comcast pass?
CMCSA passes 5 of 8. It passes Market Cap > $25B ($81.6B), Trailing P/E < 25 (7.28), PEG Ratio < 1.5 (-4.62), Price/Book < 8 (0.91) and Price/Sales < 7 (0.65). It misses EPS Growth YoY > -5% (-66.9%). vs 50-day MA (±12%) and vs 200-day MA (±12%) were not evaluated, because the moving-average checks only run on stocks that clear the fundamentals first. The 8-filter list shows every stock that passes all of them.
What growth is Comcast's share price pricing in?
At $22.84, even free cash flow per share shrinking 15% a year would still be worth more than the price in this site's DCF. Change the assumptions.
How much cash does Comcast return to shareholders?
CMCSA's net shareholder yield is +13.2%: the cash it returns through dividends and buybacks, minus stock-based compensation, as a share of its market value. Latest fiscal year (2025): dividends 6.0% + buybacks 8.8% − stock comp 1.6%, as a share of today's market cap. Over 14 years its split-adjusted share count fell 33%. Its trailing dividend yield is 5.96%, paid out of 27% of its free cash flow; the dividend-sustainability check raises 0 of 6 flags. See Shareholder Yield Leaders and the Sustainable Dividend Screener.
How risky is Comcast's balance sheet?
CMCSA's Altman Z″-Score is 1.79, which falls in the grey zone. Altman's own thresholds are above 2.6 for the safe zone, 1.1 to 2.6 for the grey zone and below 1.1 for the distress zone; the score blends working capital, retained earnings, operating profit and equity against liabilities. Its debt-to-equity ratio is 1.01, against a sector median of 1.45. See the Altman Z″-Score list.
Where do these numbers come from?
- Financial statements: Comcast's 10-K annual report for the year ended Dec 31, 2025, filed Feb 3, 2026 (filing index). Every earlier year in the 10-year financials comes from the company's older 10-K filings, all listed on SEC EDGAR.
- Prices and market data: quotes, P/E and analyst ratings from Finnhub; daily price history and the 52-week range from Twelve Data, both refreshed weekly. Short interest comes from FINRA, reported twice a month.
- How to check a figure: click any number in the card above to see its exact source, and read the Editorial Standards for every rule behind the checks.
About this Comcast Corp analysis
This page shows every value-investing check the site runs on Comcast Corp (CMCSA) in one place: the 8 mechanical filters, the Buffett and Lynch checklists, a margin of safety from a disclosed DCF, earnings quality, shareholder yield and how it ranks against its sector peers. The numbers come from SEC filings and public market data, refreshed weekly, and the same rules apply to every stock on the stock list. See Editorial Standards for the sources and the rules, or run your own filters in the stock screener.