QDEL vs ALGN

For growth investors, Align Technology, Inc.

(ALGN) is the stronger pick with 0. 9% revenue growth year-over-year, versus -1. 9% for QuidelOrtho Corporation (QDEL). Align Technology, Inc. (ALGN) offers the better valuation at 29. 9x trailing P/E (14. 8x forward), making it the more compelling value choice. Analysts rate Align Technology, Inc. (ALGN) a "Buy" — based on 33 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.

On forward P/E, QuidelOrtho Corporation is actually cheaper at 6.

0x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Align Technology, Inc.

(ALGN) delivered a total return of -69. 6%, compared to -90. 7% for QuidelOrtho Corporation (QDEL). Over 10 years, the gap is even starker: ALGN returned +123. 3% versus QDEL's -34. 6%. 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), Align Technology, Inc.

(ALGN) is the lower-risk stock at 1. 65β versus QuidelOrtho Corporation's 2. 28β — meaning QDEL is approximately 38% more volatile than ALGN relative to the S&P 500. On balance sheet safety, Align Technology, Inc. (ALGN) carries a lower debt/equity ratio of 3% versus 146% for QuidelOrtho Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Align Technology, Inc.

(ALGN) is pulling ahead at 0. 9% versus -1. 9% for QuidelOrtho Corporation (QDEL). On earnings-per-share growth, the picture is similar: QuidelOrtho Corporation grew EPS 45. 4% year-over-year, compared to 0. 5% for Align Technology, Inc.. Over a 3-year CAGR, ALGN leads at 2. 6% 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.

Align Technology, Inc.

(ALGN) is the more profitable company, earning 10. 2% net margin versus -41. 5% for QuidelOrtho Corporation — meaning it keeps 10. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ALGN leads at 15. 3% versus -33. 7% for QDEL. At the gross margin level — before operating expenses — ALGN leads at 68. 3%, 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.

On forward earnings alone, QuidelOrtho Corporation (QDEL) trades at 6.

0x forward P/E versus 14. 8x for Align Technology, Inc. — 8. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ALGN: 20. 6% to $203. 60.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Align Technology, Inc.

(ALGN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+123. 3% 10Y return). QuidelOrtho Corporation (QDEL) carries a higher beta of 2. 28 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ALGN: +123. 3%, QDEL: -34. 6%), 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 Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

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.