SMX vs IDAI vs COHU vs ACXP

For growth investors, Cohu, Inc.

(COHU) is the stronger pick with 12. 7% revenue growth year-over-year, versus -32. 4% for T Stamp Inc. (IDAI). Analysts rate Cohu, Inc. (COHU) a "Buy" — based on 14 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, Cohu, Inc.

(COHU) delivered a total return of +22. 2%, compared to -100. 0% for SMX (Security Matters) Public Limited Company (SMX). Over 10 years, the gap is even starker: SMX returned +1200% versus ACXP's -98. 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), T Stamp Inc.

(IDAI) is the lower-risk stock at 1. 99β versus SMX (Security Matters) Public Limited Company's 4. 47β — meaning SMX is approximately 125% more volatile than IDAI relative to the S&P 500. On balance sheet safety, SMX (Security Matters) Public Limited Company (SMX) carries a lower debt/equity ratio of 27% versus 130% for T Stamp Inc. — giving it more financial flexibility in a downturn.

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

(COHU) is pulling ahead at 12. 7% versus -32. 4% for T Stamp Inc. (IDAI). On earnings-per-share growth, the picture is similar: SMX (Security Matters) Public Limited Company grew EPS 94. 3% year-over-year, compared to -6. 7% for Cohu, Inc.. Over a 3-year CAGR, IDAI leads at -5. 7% 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.

SMX (Security Matters) Public Limited Company (SMX) is the more profitable company, earning 0.

0% net margin versus -344. 1% for T Stamp Inc. — meaning it keeps 0. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SMX leads at 0. 0% versus -303. 9% for IDAI. At the gross margin level — before operating expenses — IDAI leads at 65. 4%, 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, SMX (Security Matters) Public Limited Company (SMX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1200% 10Y return).

Acurx Pharmaceuticals, Inc. (ACXP) carries a higher beta of 2. 42 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SMX: +1200%, ACXP: -98. 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.

These companies operate in different sectors (SMX (Industrials) and IDAI (Technology) and COHU (Technology) and ACXP (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

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.