AD vs LUMN

For growth investors, Lumen Technologies, Inc.

(LUMN) is the stronger pick with -5. 4% revenue growth year-over-year, versus -95. 7% for Array Digital Infrastructure, Inc. (AD). Array Digital Infrastructure, Inc. (AD) offers the better valuation at 14. 9x trailing P/E (58. 0x forward), making it the more compelling value choice. Analysts rate Array Digital Infrastructure, Inc. (AD) a "Buy" — based on 5 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Array Digital Infrastructure, Inc.

(AD) delivered a total return of +123. 8%, compared to -15. 8% for Lumen Technologies, Inc. (LUMN). Over 10 years, the gap is even starker: AD returned +121. 2% versus LUMN's -31. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Array Digital Infrastructure, Inc.

(AD) is the lower-risk stock at 0. 42β versus Lumen Technologies, Inc. 's 2. 74β — meaning LUMN is approximately 549% more volatile than AD relative to the S&P 500.

By revenue growth (latest reported year), Lumen Technologies, Inc.

(LUMN) is pulling ahead at -5. 4% versus -95. 7% for Array Digital Infrastructure, Inc. (AD). On earnings-per-share growth, the picture is similar: Array Digital Infrastructure, Inc. grew EPS 823. 9% year-over-year, compared to -30. 4% for Lumen Technologies, Inc.. Over a 3-year CAGR, LUMN leads at -10. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Array Digital Infrastructure, Inc.

(AD) is the more profitable company, earning 178. 5% net margin versus -14. 0% for Lumen Technologies, Inc. — meaning it keeps 178. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: LUMN leads at -1. 5% versus -30. 2% for AD. At the gross margin level — before operating expenses — LUMN leads at 46. 5%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

Analyst consensus price targets imply the most upside for AD: 7.

5% to $53. 50.

In this comparison, AD (45.

7% yield) pays a dividend. LUMN does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Array Digital Infrastructure, Inc.

(AD) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 42), 45. 7% yield, +121. 2% 10Y return). Lumen Technologies, Inc. (LUMN) carries a higher beta of 2. 74 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AD: +121. 2%, LUMN: -31. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Communication Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: AD is a small-cap deep-value stock; LUMN is a mid-cap quality compounder stock. AD pays a dividend while LUMN does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.