SMTK vs CBAT vs OLED vs KOPN vs CODA

For growth investors, SmartKem, Inc.

(SMTK) is the stronger pick with 203. 7% revenue growth year-over-year, versus -13. 6% for CBAK Energy Technology, Inc. (CBAT). CBAK Energy Technology, Inc. (CBAT) offers the better valuation at 6. 0x trailing P/E, making it the more compelling value choice. Analysts rate Universal Display Corporation (OLED) a "Buy" — based on 19 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, CBAK Energy Technology, Inc.

(CBAT) is the cheapest at 6. 0x versus Coda Octopus Group, Inc. at 32. 2x. On forward P/E, Universal Display Corporation is actually cheaper at 19. 4x — 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: Universal Display Corporation wins at 1. 54x versus Coda Octopus Group, Inc. 's 5. 24x — a reasonable growth-adjusted valuation.

Over the past 5 years, Coda Octopus Group, Inc.

(CODA) delivered a total return of +49. 7%, compared to -99. 6% for SmartKem, Inc. (SMTK). Over 10 years, the gap is even starker: CODA returned +844. 4% versus SMTK's -99. 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), Coda Octopus Group, Inc.

(CODA) is the lower-risk stock at 1. 00β versus Kopin Corporation's 3. 50β — meaning KOPN is approximately 250% more volatile than CODA relative to the S&P 500. On balance sheet safety, Coda Octopus Group, Inc. (CODA) carries a lower debt/equity ratio of 1% versus 25% for CBAK Energy Technology, Inc. — giving it more financial flexibility in a downturn.

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

(SMTK) is pulling ahead at 203. 7% versus -13. 6% for CBAK Energy Technology, Inc. (CBAT). On earnings-per-share growth, the picture is similar: CBAK Energy Technology, Inc. grew EPS 574. 5% year-over-year, compared to -83. 3% for Kopin Corporation. Over a 3-year CAGR, SMTK leads at 65. 8% 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.

Universal Display Corporation (OLED) is the more profitable company, earning 37.

2% net margin versus -126. 0% for SmartKem, Inc. — meaning it keeps 37. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: OLED leads at 38. 5% versus -127. 6% for SMTK. At the gross margin level — before operating expenses — OLED leads at 73. 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.

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, Universal Display Corporation (OLED) is the more undervalued stock at a PEG of 1. 54x versus Coda Octopus Group, Inc. 's 5. 24x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Universal Display Corporation (OLED) trades at 19. 4x forward P/E versus 22. 5x for Coda Octopus Group, Inc. — 3. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for OLED: 52. 0% to $141. 00.

In this comparison, OLED (1.

9% yield) pays a dividend. SMTK, CBAT, KOPN, 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). SmartKem, Inc. (SMTK) carries a higher beta of 1. 84 — 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%, SMTK: -99. 6%), 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 (SMTK (Technology) and CBAT (Industrials) and OLED (Technology) and KOPN (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: SMTK is a small-cap high-growth stock; CBAT is a small-cap deep-value stock; OLED is a small-cap quality compounder stock; KOPN is a small-cap high-growth stock; CODA is a small-cap high-growth stock. OLED pays a dividend while SMTK, CBAT, KOPN, CODA do not, making them suitable for different income and tax situations. 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.