EHTH vs INVA vs CVS vs PRGO vs MCK

For growth investors, Innoviva, Inc.

(INVA) is the stronger pick with 18. 5% revenue growth year-over-year, versus -2. 8% for Perrigo Company plc (PRGO). 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 Innoviva, Inc. (INVA) a "Buy" — based on 10 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 CVS Health Corporation at 62. 8x. On forward P/E, Perrigo Company plc is actually cheaper at 5. 6x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: McKesson Corporation wins at 0. 49x versus Innoviva, Inc. 's 1. 15x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, McKesson Corporation (MCK) delivered a total return of +286.

9%, compared to -97. 3% for eHealth, Inc. (EHTH). Over 10 years, the gap is even starker: MCK returned +348. 1% versus EHTH's -85. 2%. 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), McKesson Corporation (MCK) is the lower-risk stock at 0.

04β versus eHealth, Inc. 's 1. 99β — meaning EHTH is approximately 4512% more volatile than MCK relative to the S&P 500. On balance sheet safety, eHealth, Inc. (EHTH) carries a lower debt/equity ratio of 14% versus 135% for Perrigo Company plc — giving it more financial flexibility in a downturn.

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

(INVA) is pulling ahead at 18. 5% versus -2. 8% for Perrigo Company plc (PRGO). On earnings-per-share growth, the picture is similar: Innoviva, Inc. grew EPS 816. 7% year-over-year, compared to -723. 2% for Perrigo Company plc. Over a 3-year CAGR, EHTH leads at 11. 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 -33. 5% for Perrigo Company plc — 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 1. 2% for MCK. At the gross margin level — before operating expenses — EHTH leads at 97. 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.

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, McKesson Corporation (MCK) is the more undervalued stock at a PEG of 0. 49x versus Innoviva, Inc. 's 1. 15x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Perrigo Company plc (PRGO) trades at 5. 6x forward P/E versus 19. 3x for McKesson Corporation — 13. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PRGO: 70. 6% to $20. 00.

In this comparison, EHTH (10.

4% yield), PRGO (9. 8% yield), CVS (3. 1% yield), MCK (0. 4% yield) pay a dividend. INVA does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, CVS Health Corporation (CVS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

05), 3. 1% yield). eHealth, Inc. (EHTH) carries a higher beta of 1. 99 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CVS: +3. 5%, EHTH: -85. 2%), 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.

These companies operate in different sectors (EHTH (Financial Services) and INVA (Healthcare) and CVS (Healthcare) and PRGO (Healthcare) and MCK (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: EHTH is a small-cap income-oriented stock; INVA is a small-cap high-growth stock; CVS is a mid-cap income-oriented stock; PRGO is a small-cap income-oriented stock; MCK is a mid-cap high-growth stock. EHTH, CVS, PRGO pay a dividend while INVA, MCK do 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.