LUMN vs IDT vs CMCSA Stock Comparison

Lumen Technologies, Idt and Comcast Prices as of Oct 29, 2026 Peers: Industry group
LUMN Lumen Technologies, Inc.
$4.79 -13.5% 1M -56.5% 1Y
Market cap
$4.87B
P/E
–
Revenue (TTM)
$11.83B
Div. yield
–
Broadband and Cable Communication Services
IDT Idt Corp
$81.78 +8.2% 1M +59.5% 1Y
Market cap
$2.05B
P/E
23.7x
Revenue (TTM)
$1.30B
Div. yield
–
Broadband and Cable Communication Services
4 wins
CMCSA Comcast Corp
$22.27 +3.1% 1M -21.9% 1Y
Market cap
$82.44B
P/E
7.3x
Revenue (TTM)
$123.01B
Div. yield
–
Broadband and Cable Communication Services
7 wins

Head to Head

11 decided of 12

Comcast leads on 7 of the 12 questions below (Comcast 7, Idt 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionLUMNIDTCMCSALeader
Larger companyMarket capitalisation $4.87B $2.05B $82.44B CMCSA
Cheaper on earningsLower P/E, profitable companies only -4.8x 23.7x 7.3x CMCSA
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 18.4x 6.6x CMCSA
Faster revenue growthRevenue growth, trailing twelve months -7.7% +5.4% -0.2% IDT
More profitableNet margin, trailing twelve months -8.7% 6.7% 9.2% CMCSA
Better return on capitalReturn on invested capital 1.2% — 7.8% CMCSA
Less leveragedLower net debt / EBITDA 3.9x — 2.4x CMCSA
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -56.5% +59.5% -21.9% IDT
Better 5-year returnAnnualised price return, 5 years -16.6%/yr +11.1%/yr -15.4%/yr IDT
Less volatileAnnualised volatility, 1 year 74.0% 26.6% 34.3% IDT
Higher overall scoreMean of the five percentile scores vs peers 55/100 58/100 66/100 CMCSA

Percentile Scorecard

LUMNIDTCMCSA

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisLUMNIDTCMCSA
Valuation 79 #11 of 49 38 #31 of 49 94 #4 of 49
Growth 71 #14 of 45 73 #13 of 45 23 #35 of 45
Profitability 46 #25 of 45 61 #18 of 45 68 #15 of 45
Financial Health 23 #38 of 49 92 #5 of 49 60 #20 of 49
Shareholder Returns – 28 #27 of 37 86 #6 of 37
Overall 55 58 66
  • LUMN ranked among 51 companies in Telecommunications
  • IDT ranked among 51 companies in Telecommunications
  • CMCSA ranked among 51 companies in Telecommunications

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodLUMNIDTCMCSASPY
1 month -13.5%+8.2%+3.1% +0.7%
3 months -26.9%+23.7%-5.9% +3.7%
6 months -45.8%+63.1%-17.6% +7.1%
Year to date -38.4%+59.7%-25.5% +12.8%
1 year -56.5%+59.5%-21.9% +11.9%
3 years +221.5%+193.0%-44.9% +85.2%
3 years, per year +47.6%+43.1%-18.1% +22.8%
5 years -59.6%+69.1%-56.7% +67.6%
5 years, per year -16.6%+11.1%-15.4% +10.9%
10 years -84.2%+442.3%-28.0% +262.0%
10 years, per year -16.9%+18.4%-3.2% +13.7%

Risk

MeasureLUMNIDTCMCSASPY
Volatility, 1Y 74.0%26.6%34.3% 12.7%
Downside volatility, 1Y 76.6%24.1%40.0% 12.6%
Beta vs S&P 500, 1Y 2.580.260.01 1.00
Return / volatility, 1Y -0.762.24-0.64 0.94
Max drawdown, 5Y -93.1%-66.9%-61.9% -25.4%
From 52-week high -59.5%-3.2%-31.4% -1.2%
52-week high $11.83$84.47$32.48 $779.14
52-week low $4.43$47.25$20.66 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleLUMNIDTCMCSA
P/E now vs peer median -4.7xmedian 11.5x 23.6xmedian 11.5x 7.0xmedian 11.5x
P/S now vs peer median 0.4xmedian 1.1x 1.5xmedian 1.1x 0.6xmedian 1.1x
EV/EBITDA now vs peer median 5.7xmedian 6.8x 11.5xmedian 6.8x 4.7xmedian 6.8x
P/FCF now vs peer median 5.9xmedian 5.9x 28.0xmedian 5.9x 4.0xmedian 5.9x
P/B now vs peer median -3.3xmedian 1.3x 4.8xmedian 1.3x 0.9xmedian 1.3x
PEG now vs peer median -0.09median 0.25 0.79median 0.25 -1.52median 0.25

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsLUMNIDTCMCSA
Revenue $11.83B $1.30B $123.01B
Gross profit $5.66B $496.79M –
Operating income $198.00M $121.17M $18.10B
Net income -$1.02B $95.09M $11.32B
Free cash flow $837.00M $67.96M $19.67B
R&D – $55.74M –
EPS (diluted) $-1.02 $3.46 $3.18
Cash & equivalents $1.88B $220.69M $7.60B
Total debt $13.21B – $87.40B
Shares (diluted) 1.00B 25.02M 3.56B
Enterprise value -$2.03B $1.10B $48.23B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricLUMNIDTCMCSA
P/E -4.7x 23.6x 7.0x
P/FCF 5.9x 28.0x 4.0x
P/Operating cash flow 0.9x 20.9x 2.5x
P/S 0.4x 1.5x 0.6x
P/B -3.3x 4.8x 0.9x
P/Tangible book -0.9x 4.9x 2.4x
EV/EBITDA 5.7x 11.5x 4.7x
EV/EBIT 82.1x 13.6x 8.8x
EV/Revenue 1.4x 1.3x 1.3x
EV/FCF 19.4x 24.2x 8.1x
EV/Operating cash flow 3.0x 18.0x 5.0x
PEG (3Y EPS CAGR) -0.09 0.79 -1.52

Growth

14 metrics
MetricLUMNIDTCMCSA
Revenue growth (1Y) -7.7% 5.4% -0.2%
Revenue CAGR (3Y) -8.8% 1.6% 0.6%
Gross profit growth (1Y) -7.5% 11.3% –
Gross profit CAGR (3Y) -11.7% 11.6% –
Operating income growth (1Y) 191.7% 20.7% -18.4%
Operating income CAGR (3Y) 26.4% 25.9% -8.1%
Net income growth (1Y) 13.1% 17.2% -49.9%
Net income CAGR (3Y) 54.3% 28.9% -9.3%
EPS growth (1Y) 14.0% 15.1% -48.2%
EPS CAGR (3Y) 54.6% 29.8% -4.6%
Operating cash flow growth (1Y) 22.4% -28.3% -3.5%
Operating cash flow CAGR (3Y) 29.7% 20.2% 3.7%
Free cash flow growth (1Y) -10.8% -36.1% -6.2%
Free cash flow CAGR (3Y) 48.5% 30.7% 7.2%

Profitability

14 metrics
MetricLUMNIDTCMCSA
Gross margin 47.8% 38.3% –
EBITDA margin 24.3% 11.0% 27.3%
Operating margin 1.7% 9.3% 14.7%
Pretax margin -11.8% 10.0% 11.3%
Net margin -8.7% 6.7% 9.2%
FCF margin 7.1% 5.2% 16.0%
Operating cash flow margin 45.4% 7.0% 25.8%
Return on equity – 24.6% 11.9%
Return on assets -3.3% 13.0% 4.2%
Return on invested capital 1.2% – 7.8%
Return on capital employed 0.7% 31.9% 8.0%
Asset turnover 0.4x 1.8x 0.5x
Cash conversion (OCF / net income) -5.2x 1.0x 2.8x
Stock comp / revenue 0.5% 0.8% 1.1%

Financial Health

11 metrics
MetricLUMNIDTCMCSA
Debt / assets 42.9% – 33.9%
Debt / equity -8.9x – 0.9x
Net debt / EBITDA 3.9x – 2.4x
Debt / FCF 15.8x – 4.4x
Liabilities / assets 104.8% 48.2% 64.1%
Equity / assets -4.8% 51.8% 35.9%
Interest coverage 0.2x – 4.3x
Current ratio 1.0x 1.9x 0.8x
Quick ratio 0.8x 1.1x 0.7x
Cash ratio 0.4x 0.7x 0.2x
Altman Z-score -0.42 6.23 1.31

Shareholder Returns

7 metrics
MetricLUMNIDTCMCSA
Dividend yield – 0.3% 5.9%
Net buyback yield – 1.1% 5.1%
Shareholder yield 0.0% 1.5% 11.1%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusLUMNIDTCMCSA
Forward P/E – 18.4xFY2027 6.6xFY2026
EPS, next fiscal year $-0.87FY2026 $4.45FY2027 $3.40FY2026
EPS growth, next FY – +16.5%FY2027 -21.1%FY2026
EPS growth, the year after – -4.3% +10.3%
Revenue, next fiscal year $10.70BFY2026 $1.41BFY2027 $114.72BFY2026
Revenue growth, next FY -13.7%FY2026 +8.2%FY2027 -7.3%FY2026
Revenue growth, the year after -5.8% -1.5% +4.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersLUMNIDTCMCSA
Held by institutions 70.7% 60.0% 88.7%
Institutions holding 623 197 1,885
Change in shares held, QoQ +2.6% +5.5% +2.7%
Institutions buying 290 108 832
Institutions selling 180 65 859
Buyers to sellers 1.61 1.66 0.97

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

LUMNIDTCMCSA
LUMN 1.00 0.00 -0.01
IDT 0.00 1.00 0.25
CMCSA -0.01 0.25 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, LUMN, IDT and CMCSA?

Comcast (CMCSA) is the largest by market capitalisation: Lumen Technologies (LUMN) $4.87B, Idt (IDT) $2.05B, Comcast (CMCSA) $82.44B.

Which stock is cheaper, LUMN, IDT and CMCSA?

Comcast (CMCSA) trades on the lowest price-to-earnings ratio (Lumen Technologies (LUMN) -4.8x, Idt (IDT) 23.7x, Comcast (CMCSA) 7.3x). On next year's consensus earnings, Comcast (CMCSA) is cheapest (Idt (IDT) 18.4x, Comcast (CMCSA) 6.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Idt (IDT) grew revenue fastest over the trailing twelve months: Lumen Technologies (LUMN) -7.7%, Idt (IDT) +5.4%, Comcast (CMCSA) -0.2%.

Which company is more profitable?

Comcast (CMCSA) has the highest net margin (Lumen Technologies (LUMN) -8.7%, Idt (IDT) 6.7%, Comcast (CMCSA) 9.2%). On return on invested capital, Comcast (CMCSA) leads (Lumen Technologies (LUMN) 1.2%, Comcast (CMCSA) 7.8%).

Which stock has performed better?

Over the past year Idt (IDT) returned the most: Lumen Technologies (LUMN) -56.5%, Idt (IDT) +59.5%, Comcast (CMCSA) -21.9%. Over five years, Idt (IDT) compounded fastest (Lumen Technologies (LUMN) -16.6%/yr, Idt (IDT) +11.1%/yr, Comcast (CMCSA) -15.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Idt (IDT) has been the steadiest (Lumen Technologies (LUMN) 74.0%, Idt (IDT) 26.6%, Comcast (CMCSA) 34.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, LUMN, IDT and CMCSA?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Comcast (CMCSA) leads on 7. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.