REFR vs PPG

For growth investors, PPG Industries, Inc.

(PPG) is the stronger pick with 0. 2% revenue growth year-over-year, versus -16. 0% for Research Frontiers Incorporated (REFR). PPG Industries, Inc. (PPG) offers the better valuation at 15. 7x trailing P/E (13. 8x forward), making it the more compelling value choice. Analysts rate PPG Industries, Inc. (PPG) a "Buy" — based on 38 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, PPG Industries, Inc.

(PPG) delivered a total return of -32. 2%, compared to -66. 9% for Research Frontiers Incorporated (REFR). Over 10 years, the gap is even starker: PPG returned +21. 7% versus REFR's -80. 2%. 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), Research Frontiers Incorporated (REFR) is the lower-risk stock at 0.

86β versus PPG Industries, Inc. 's 1. 07β — meaning PPG is approximately 24% more volatile than REFR relative to the S&P 500.

By revenue growth (latest reported year), PPG Industries, Inc.

(PPG) is pulling ahead at 0. 2% versus -16. 0% for Research Frontiers Incorporated (REFR). On earnings-per-share growth, the picture is similar: PPG Industries, Inc. grew EPS 45. 7% year-over-year, compared to -55. 5% for Research Frontiers Incorporated. Over a 3-year CAGR, REFR leads at 27. 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.

PPG Industries, Inc.

(PPG) is the more profitable company, earning 9. 9% net margin versus -182. 4% for Research Frontiers Incorporated — meaning it keeps 9. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PPG leads at 13. 7% versus -190. 2% for REFR. At the gross margin level — before operating expenses — REFR leads at 83. 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.

In this comparison, PPG (2.

5% yield) pays a dividend. REFR does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, PPG Industries, Inc.

(PPG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 07), 2. 5% yield). Both have compounded well over 10 years (PPG: +21. 7%, REFR: -80. 2%), 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 (REFR (Technology) and PPG (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: REFR is a small-cap quality compounder stock; PPG is a mid-cap deep-value stock. PPG pays a dividend while REFR does 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.