ARDX vs CHRS vs PTGX vs IMVT vs RARE

For growth investors, Ardelyx, Inc.

(ARDX) is the stronger pick with 22. 1% revenue growth year-over-year, versus -89. 4% for Protagonist Therapeutics, Inc. (PTGX). Coherus Oncology, Inc. (CHRS) offers the better valuation at 1. 2x trailing P/E, making it the more compelling value choice. Analysts rate Ardelyx, Inc. (ARDX) a "Buy" — based on 16 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, Ardelyx, Inc.

(ARDX) delivered a total return of +313. 0%, compared to -87. 7% for Coherus Oncology, Inc. (CHRS). Over 10 years, the gap is even starker: PTGX returned +744. 9% versus CHRS's -90. 8%. 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), Protagonist Therapeutics, Inc.

(PTGX) is the lower-risk stock at 0. 25β versus Coherus Oncology, Inc. 's 2. 29β — meaning CHRS is approximately 814% more volatile than PTGX relative to the S&P 500. On balance sheet safety, Immunovant, Inc. (IMVT) carries a lower debt/equity ratio of 0% versus 127% for Ardelyx, Inc. — giving it more financial flexibility in a downturn.

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

(ARDX) is pulling ahead at 22. 1% versus -89. 4% for Protagonist Therapeutics, Inc. (PTGX). On earnings-per-share growth, the picture is similar: Coherus Oncology, Inc. grew EPS 472. 0% year-over-year, compared to -148. 5% for Protagonist Therapeutics, Inc.. Over a 3-year CAGR, ARDX leads at 98. 4% 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.

Coherus Oncology, Inc.

(CHRS) is the more profitable company, earning 398. 4% net margin versus -282. 8% for Protagonist Therapeutics, Inc. — meaning it keeps 398. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IMVT leads at 0. 0% versus -429. 5% for CHRS. At the gross margin level — before operating expenses — PTGX leads at 97. 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.

Analyst consensus price targets imply the most upside for CHRS: 242.

0% to $6. 02.

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, Protagonist Therapeutics, Inc.

(PTGX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 25), +744. 9% 10Y return). Coherus Oncology, Inc. (CHRS) carries a higher beta of 2. 29 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (PTGX: +744. 9%, CHRS: -90. 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: ARDX is a small-cap high-growth stock; CHRS is a small-cap deep-value stock; PTGX is a small-cap quality compounder stock; IMVT is a small-cap quality compounder stock; RARE is a small-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.