VVOS vs ALGN vs INVA vs RMTI vs DXCM

For growth investors, Innoviva, Inc.

(INVA) is the stronger pick with 18. 5% revenue growth year-over-year, versus -31. 8% for Rockwell Medical, Inc. (RMTI). Innoviva, Inc. (INVA) offers the better valuation at 6. 9x trailing P/E (11. 9x 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 trailing P/E, Innoviva, Inc.

(INVA) is the cheapest at 6. 9x versus Align Technology, Inc. at 29. 8x. On forward P/E, Innoviva, Inc. is actually cheaper at 11. 9x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Innoviva, Inc. wins at 1. 15x versus DexCom, Inc. 's 2. 34x — a reasonable growth-adjusted valuation.

Over the past 5 years, Innoviva, Inc.

(INVA) delivered a total return of +94. 4%, compared to -99. 6% for Vivos Therapeutics, Inc. (VVOS). Over 10 years, the gap is even starker: DXCM returned +290. 2% versus VVOS's -99. 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), Innoviva, Inc.

(INVA) is the lower-risk stock at 0. 13β versus Align Technology, Inc. 's 1. 66β — meaning ALGN is approximately 1217% more volatile than INVA relative to the S&P 500. On balance sheet safety, Align Technology, Inc. (ALGN) carries a lower debt/equity ratio of 3% versus 51% for DexCom, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Innoviva, Inc.

(INVA) is pulling ahead at 18. 5% versus -31. 8% for Rockwell Medical, Inc. (RMTI). On earnings-per-share growth, the picture is similar: Innoviva, Inc. grew EPS 816. 7% year-over-year, compared to -495. 2% for Rockwell Medical, Inc.. Over a 3-year CAGR, DXCM leads at 17. 0% 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.

Innoviva, Inc.

(INVA) is the more profitable company, earning 63. 8% net margin versus -74. 1% for Vivos Therapeutics, Inc. — meaning it keeps 63. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: INVA leads at 38. 5% versus -74. 3% for VVOS. At the gross margin level — before operating expenses — INVA leads at 72. 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Innoviva, Inc. (INVA) is the more undervalued stock at a PEG of 1. 15x versus DexCom, Inc. 's 2. 34x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, Innoviva, Inc. (INVA) trades at 11. 9x forward P/E versus 24. 5x for DexCom, Inc. — 12. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for INVA: 65. 2% to $37. 67.

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, Innoviva, Inc.

(INVA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 13)). Align Technology, Inc. (ALGN) carries a higher beta of 1. 66 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (INVA: +94. 9%, ALGN: +122. 8%), 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.

In terms of investment character: VVOS is a small-cap quality compounder stock; ALGN is a mid-cap quality compounder stock; INVA is a small-cap high-growth stock; RMTI is a small-cap quality compounder stock; DXCM is a mid-cap high-growth stock. 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.