AFJK vs CANG vs BTBT vs MARA vs AUTL

For growth investors, Autolus Therapeutics plc (AUTL) is the stronger pick with 496.

0% revenue growth year-over-year, versus -52. 7% for Cango Inc. (CANG). Cango Inc. (CANG) offers the better valuation at 5. 7x trailing P/E, making it the more compelling value choice. Analysts rate Cango Inc. (CANG) a "Buy" — based on 2 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, Cango Inc.

(CANG) is the cheapest at 5. 7x versus Aimei Health Technology Co. , Ltd at 251. 0x.

Over the past 5 years, Aimei Health Technology Co.

, Ltd (AFJK) delivered a total return of +320. 4%, compared to -84. 6% for Bit Digital, Inc. (BTBT). Over 10 years, the gap is even starker: AFJK returned +320. 4% versus AUTL's -93. 6%. 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), Aimei Health Technology Co.

, Ltd (AFJK) is the lower-risk stock at 0. 23β versus Bit Digital, Inc. 's 3. 37β — meaning BTBT is approximately 1343% more volatile than AFJK relative to the S&P 500. On balance sheet safety, Bit Digital, Inc. (BTBT) carries a lower debt/equity ratio of 3% versus 105% for Marathon Digital Holdings, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Autolus Therapeutics plc (AUTL) is pulling ahead at 496.

0% versus -52. 7% for Cango Inc. (CANG). On earnings-per-share growth, the picture is similar: Cango Inc. grew EPS 960. 0% year-over-year, compared to -314. 5% for Marathon Digital Holdings, Inc.. Over a 3-year CAGR, AUTL leads at 88. 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.

Cango Inc.

(CANG) is the more profitable company, earning 37. 3% net margin versus -21. 8% for Autolus Therapeutics plc — meaning it keeps 37. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CANG leads at 22. 2% versus -23. 9% for AUTL. At the gross margin level — before operating expenses — BTBT leads at 61. 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.

In this comparison, BTBT (0.

3% yield) pays a dividend. AFJK, CANG, MARA, AUTL do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Aimei Health Technology Co.

, Ltd (AFJK) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 23), +320. 4% 10Y return). Bit Digital, Inc. (BTBT) carries a higher beta of 3. 37 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AFJK: +320. 4%, BTBT: -60. 4%), 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 (AFJK (Financial Services) and CANG (Consumer Cyclical) and BTBT (Financial Services) and MARA (Financial Services) and AUTL (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: AFJK is a small-cap quality compounder stock; CANG is a small-cap deep-value stock; BTBT is a small-cap high-growth stock; MARA is a small-cap high-growth stock; AUTL 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.