MIST vs IDYA

Analysts rate Milestone Pharmaceuticals Inc.

(MIST) a "Buy" — based on 7 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, IDEAYA Biosciences, Inc.

(IDYA) delivered a total return of +47. 2%, compared to -67. 0% for Milestone Pharmaceuticals Inc. (MIST). Over 10 years, the gap is even starker: IDYA returned +152. 4% versus MIST's -87. 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), IDEAYA Biosciences, Inc.

(IDYA) is the lower-risk stock at 1. 36β versus Milestone Pharmaceuticals Inc. 's 2. 11β — meaning MIST is approximately 55% more volatile than IDYA relative to the S&P 500. On balance sheet safety, IDEAYA Biosciences, Inc. (IDYA) carries a lower debt/equity ratio of 3% versus 140% for Milestone Pharmaceuticals Inc. — giving it more financial flexibility in a downturn.

On earnings-per-share growth, the picture is similar: IDEAYA Biosciences, Inc.

grew EPS 61. 9% year-over-year, compared to -11. 9% for Milestone Pharmaceuticals Inc.. Over a 3-year CAGR, IDYA leads at 62. 5% 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.

IDEAYA Biosciences, Inc.

(IDYA) is the more profitable company, earning -52. 0% net margin versus -55. 3% for Milestone Pharmaceuticals Inc. — meaning it keeps -52. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IDYA leads at -72. 8% versus -40. 2% for MIST. At the gross margin level — before operating expenses — IDYA leads at 97. 9%, 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.

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, IDEAYA Biosciences, Inc.

(IDYA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+152. 4% 10Y return). Milestone Pharmaceuticals Inc. (MIST) carries a higher beta of 2. 11 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (IDYA: +152. 4%, MIST: -87. 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 Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: MIST is a small-cap quality compounder stock; IDYA 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.