PDEX vs LIQT

For growth investors, Pro-Dex, Inc.

(PDEX) is the stronger pick with 23. 7% revenue growth year-over-year, versus 13. 0% for LiqTech International, Inc. (LIQT). Pro-Dex, Inc. (PDEX) offers the better valuation at 21. 5x trailing P/E (24. 1x forward), making it the more compelling value choice. Analysts rate Pro-Dex, Inc. (PDEX) 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.

Over the past 5 years, Pro-Dex, Inc.

(PDEX) delivered a total return of +67. 1%, compared to -96. 1% for LiqTech International, Inc. (LIQT). Over 10 years, the gap is even starker: PDEX returned +1423% versus LIQT's -90. 9%. 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), Pro-Dex, Inc.

(PDEX) is the lower-risk stock at 0. 33β versus LiqTech International, Inc. 's 0. 52β — meaning LIQT is approximately 61% more volatile than PDEX relative to the S&P 500. On balance sheet safety, Pro-Dex, Inc. (PDEX) carries a lower debt/equity ratio of 45% versus 117% for LiqTech International, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Pro-Dex, Inc.

(PDEX) is pulling ahead at 23. 7% versus 13. 0% for LiqTech International, Inc. (LIQT). On earnings-per-share growth, the picture is similar: Pro-Dex, Inc. grew EPS 345. 0% year-over-year, compared to 45. 7% for LiqTech International, Inc.. Over a 3-year CAGR, PDEX leads at 16. 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.

Pro-Dex, Inc.

(PDEX) is the more profitable company, earning 13. 5% net margin versus -51. 7% for LiqTech International, Inc. — meaning it keeps 13. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PDEX leads at 16. 1% versus -50. 3% for LIQT. At the gross margin level — before operating expenses — PDEX leads at 29. 3%, 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.

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, Pro-Dex, Inc.

(PDEX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 33), +1423% 10Y return). Both have compounded well over 10 years (PDEX: +1423%, LIQT: -90. 9%), 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 (PDEX (Healthcare) and LIQT (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: PDEX is a small-cap high-growth stock; LIQT is a small-cap quality compounder 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.