KOYN vs GFAI vs COIN vs MARA vs RIOT

For growth investors, Riot Platforms, Inc.

(RIOT) is the stronger pick with 71. 9% revenue growth year-over-year, versus 0. 2% for Guardforce AI Co. , Limited (GFAI). Coinbase Global, Inc. (COIN) offers the better valuation at 46. 7x trailing P/E (83. 6x forward), making it the more compelling value choice. Analysts rate Coinbase Global, Inc. (COIN) a "Buy" — based on 37 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, CSLM Digital Asset Acquisition Corp III Class A Ordinary Shares (KOYN) delivered a total return of +1.

8%, compared to -99. 5% for Guardforce AI Co. , Limited (GFAI). Over 10 years, the gap is even starker: RIOT returned +747. 2% versus GFAI's -99. 5%. 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), CSLM Digital Asset Acquisition Corp III Class A Ordinary Shares (KOYN) is the lower-risk stock at 0.

01β versus Riot Platforms, Inc. 's 3. 92β — meaning RIOT is approximately 28124% more volatile than KOYN relative to the S&P 500. On balance sheet safety, Guardforce AI Co. , Limited (GFAI) carries a lower debt/equity ratio of 8% versus 105% for Marathon Digital Holdings, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Riot Platforms, Inc.

(RIOT) is pulling ahead at 71. 9% versus 0. 2% for Guardforce AI Co. , Limited (GFAI). On earnings-per-share growth, the picture is similar: Guardforce AI Co. , Limited grew EPS 88. 3% year-over-year, compared to -673. 5% for Riot Platforms, Inc.. 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.

Coinbase Global, Inc.

(COIN) is the more profitable company, earning 17. 6% net margin versus -144. 6% for Marathon Digital Holdings, Inc. — meaning it keeps 17. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: COIN leads at 20. 0% versus -90. 6% for MARA. At the gross margin level — before operating expenses — COIN leads at 74. 6%, 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 MARA: 26.

8% to $16. 13.

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, CSLM Digital Asset Acquisition Corp III Class A Ordinary Shares (KOYN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

01)). Guardforce AI Co. , Limited (GFAI) carries a higher beta of 2. 36 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (KOYN: +1. 8%, GFAI: -99. 5%), 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 (KOYN (Financial Services) and GFAI (Industrials) and COIN (Financial Services) and MARA (Financial Services) and RIOT (Financial Services)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: KOYN is a small-cap quality compounder stock; GFAI is a small-cap quality compounder stock; COIN is a mid-cap quality compounder stock; MARA is a small-cap high-growth stock; RIOT 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.