Compare WEX Inc. (WEX) vs Affirm Holdings, Inc. (AFRM) Stock

WEX Inc. (WEX) offers the better valuation at 19.9x trailing P/E (8.5x forward), making it the more compelling value choice. Analysts rate Affirm Holdings, Inc. (AFRM) a "Buy" — based on 32 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, WEX Inc. (WEX) is the cheapest at 19.9x versus Affirm Holdings, Inc. at 313.2x. On forward P/E, WEX Inc. is actually cheaper at 8.5x.

Over the past 5 years, WEX Inc. (WEX) delivered a total return of -30.3%, compared to -48.6% for Affirm Holdings, Inc. (AFRM). A $10,000 investment in WEX five years ago would be worth approximately $7K today (assuming dividends reinvested). Over 10 years, the gap is even starker: WEX returned +128.5% versus AFRM's -51.7%. 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), WEX Inc. (WEX) is the lower-risk stock at 1.56β versus Affirm Holdings, Inc.'s 2.41β — meaning AFRM is approximately 54% more volatile than WEX relative to the S&P 500. On balance sheet safety, Affirm Holdings, Inc. (AFRM) carries a lower debt/equity ratio of 3% versus 3% for WEX Inc. — giving it more financial flexibility in a downturn.

WEX Inc. (WEX) is the more profitable company, earning 11.8% net margin versus 1.6% for Affirm Holdings, Inc. — meaning it keeps 11.8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: WEX leads at 26.1% versus -2.7% for AFRM. At the gross margin level — before operating expenses — AFRM leads at 67.5%, 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.

On forward earnings alone, WEX Inc. (WEX) trades at 8.5x forward P/E versus 43.6x for Affirm Holdings, Inc. — 35.1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AFRM: 79.7% to $84.40.

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, WEX Inc. (WEX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+128.5% 10Y return). Affirm Holdings, Inc. (AFRM) carries a higher beta of 2.41 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (WEX: +128.5%, AFRM: -51.7%), 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. 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.