SMTK vs OLED vs KOPN vs VUZI

For growth investors, Vuzix Corporation (VUZI) is the stronger pick with 1090% revenue growth year-over-year, versus 0.

5% for Universal Display Corporation (OLED). Universal Display Corporation (OLED) offers the better valuation at 18. 3x trailing P/E (19. 4x forward), 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.

Over the past 5 years, Kopin Corporation (KOPN) delivered a total return of -37.

1%, compared to -99. 6% for SmartKem, Inc. (SMTK). Over 10 years, the gap is even starker: KOPN returned +183. 5% 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), Universal Display Corporation (OLED) is the lower-risk stock at 1.

39β versus Kopin Corporation's 3. 50β — meaning KOPN is approximately 152% more volatile than OLED relative to the S&P 500. On balance sheet safety, SmartKem, Inc. (SMTK) carries a lower debt/equity ratio of 1% versus 9% for Kopin Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Vuzix Corporation (VUZI) is pulling ahead at 1090% versus 0.

5% for Universal Display Corporation (OLED). On earnings-per-share growth, the picture is similar: Vuzix Corporation grew EPS 61. 1% year-over-year, compared to -83. 3% for Kopin Corporation. Over a 3-year CAGR, VUZI leads at 709. 6% 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.

Analyst consensus price targets imply the most upside for VUZI: 109.

8% to $6. 00.

In this comparison, VUZI (10.

1% yield), OLED (1. 9% yield) pay a dividend. SMTK, KOPN do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Universal Display Corporation (OLED) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (1.

9% yield). 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 (OLED: +86. 6%, 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.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: SMTK is a small-cap high-growth stock; OLED is a small-cap quality compounder stock; KOPN is a small-cap high-growth stock; VUZI is a small-cap high-growth stock. OLED, VUZI pay a dividend while SMTK, KOPN 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.