ASPN vs AWI

For growth investors, Armstrong World Industries, Inc.

(AWI) is the stronger pick with 12. 1% revenue growth year-over-year, versus -40. 1% for Aspen Aerogels, Inc. (ASPN). Armstrong World Industries, Inc. (AWI) offers the better valuation at 23. 3x trailing P/E (19. 9x forward), making it the more compelling value choice. Analysts rate Aspen Aerogels, Inc. (ASPN) a "Buy" — based on 23 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, Armstrong World Industries, Inc.

(AWI) delivered a total return of +63. 0%, compared to -73. 5% for Aspen Aerogels, Inc. (ASPN). Over 10 years, the gap is even starker: AWI returned +330. 4% versus ASPN's +13. 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), Armstrong World Industries, Inc.

(AWI) is the lower-risk stock at 0. 82β versus Aspen Aerogels, Inc. 's 1. 92β — meaning ASPN is approximately 135% more volatile than AWI relative to the S&P 500. On balance sheet safety, Armstrong World Industries, Inc. (AWI) carries a lower debt/equity ratio of 59% versus 61% for Aspen Aerogels, Inc. — giving it more financial flexibility in a downturn.

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

(AWI) is pulling ahead at 12. 1% versus -40. 1% for Aspen Aerogels, Inc. (ASPN). On earnings-per-share growth, the picture is similar: Armstrong World Industries, Inc. grew EPS 17. 6% year-over-year, compared to -28. 9% for Aspen Aerogels, Inc.. Over a 3-year CAGR, ASPN leads at 14. 5% 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.

Armstrong World Industries, Inc.

(AWI) is the more profitable company, earning 19. 0% net margin versus -143. 7% for Aspen Aerogels, Inc. — meaning it keeps 19. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AWI leads at 26. 6% versus -19. 0% for ASPN. At the gross margin level — before operating expenses — AWI leads at 40. 6%, 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 ASPN: 502.

2% to $30. 71.

In this comparison, AWI (0.

8% yield) pays a dividend. ASPN does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Armstrong World Industries, Inc.

(AWI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 82), 0. 8% yield, +330. 4% 10Y return). Aspen Aerogels, Inc. (ASPN) carries a higher beta of 1. 92 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AWI: +330. 4%, ASPN: +13. 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 Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

AWI pays a dividend while ASPN 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.