SDA vs RCON vs ACMR vs CODA

For growth investors, Coda Octopus Group, Inc.

(CODA) is the stronger pick with 30. 7% revenue growth year-over-year, versus -3. 7% for Recon Technology, Ltd. (RCON). Coda Octopus Group, Inc. (CODA) offers the better valuation at 32. 2x trailing P/E (22. 5x forward), making it the more compelling value choice. Analysts rate SunCar Technology Group Inc. (SDA) a "Buy" — based on 1 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, Coda Octopus Group, Inc.

(CODA) is the cheapest at 32. 2x versus ACM Research, Inc. at 43. 2x. On forward P/E, SunCar Technology Group Inc. is actually cheaper at 8. 9x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: ACM Research, Inc. wins at 0. 84x versus Coda Octopus Group, Inc. 's 5. 24x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, ACM Research, Inc.

(ACMR) delivered a total return of +133. 4%, compared to -99. 4% for Recon Technology, Ltd. (RCON). Over 10 years, the gap is even starker: ACMR returned +30. 7% versus RCON's -99. 3%. 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), Recon Technology, Ltd.

(RCON) is the lower-risk stock at 0. 47β versus ACM Research, Inc. 's 3. 24β — meaning ACMR is approximately 590% more volatile than RCON relative to the S&P 500. On balance sheet safety, Coda Octopus Group, Inc. (CODA) carries a lower debt/equity ratio of 1% versus 127% for SunCar Technology Group Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Coda Octopus Group, Inc.

(CODA) is pulling ahead at 30. 7% versus -3. 7% for Recon Technology, Ltd. (RCON). On earnings-per-share growth, the picture is similar: Recon Technology, Ltd. grew EPS 52. 6% year-over-year, compared to -132. 3% for SunCar Technology Group Inc.. Over a 3-year CAGR, ACMR leads at 32. 3% 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.

Coda Octopus Group, Inc.

(CODA) is the more profitable company, earning 15. 5% net margin versus -64. 3% for Recon Technology, Ltd. — meaning it keeps 15. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CODA leads at 17. 1% versus -86. 5% for RCON. At the gross margin level — before operating expenses — CODA leads at 66. 5%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, ACM Research, Inc. (ACMR) is the more undervalued stock at a PEG of 0. 84x versus Coda Octopus Group, Inc. 's 5. 24x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, SunCar Technology Group Inc. (SDA) trades at 8. 9x forward P/E versus 29. 7x for ACM Research, Inc. — 20. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SDA: 460. 7% to $6. 00.

In this comparison, ACMR (0.

2% yield) pays a dividend. SDA, RCON, CODA do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Coda Octopus Group, Inc.

(CODA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 00), +844. 4% 10Y return). ACM Research, Inc. (ACMR) carries a higher beta of 3. 24 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CODA: +844. 4%, ACMR: +30. 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 (SDA (Consumer Cyclical) and RCON (Energy) and ACMR (Technology) and CODA (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: SDA is a small-cap high-growth stock; RCON is a small-cap quality compounder stock; ACMR is a small-cap high-growth stock; CODA 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.