AFRM vs SEZL: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: AFRM is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. AFRM and SEZL share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined AFRM and SEZL exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Affirm Holdings operates a buy-now-pay-later platform that lets shoppers split purchases into installments at checkout, either interest-free or with transparent, fixed interest and no late fees. It earns revenue from merchant network fees, interest income on the loans it holds, and gains on loans sold to funding partners such as banks and securitization investors. Unlike a traditional credit card, Affirm underwrites each transaction individually and markets itself on transparency, reporting some loans to credit bureaus.

Full AFRM guide

Sezzle Inc. is a technology-enabled payments company operating mainly in the United States and Canada. Its platform lets shoppers split purchases into interest-free or low-cost installments at the point of sale (Pay-in-Four, Pay-in-Five, and Pay-in-Two options), while merchants pay Sezzle a fee for the added conversion and basket size. The company also earns from consumer subscriptions (Sezzle Premium and Anywhere), late and account fees, and interchange, and it reports both positive and negative payment activity to credit bureaus, a differentiator from many BNPL peers.

Full SEZL guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• AFRM drivers: GMV growth and network expansion; Affirm Card and everyday spend.
• SEZL drivers: Subscriber and frequency growth; Profitable, self-funded scaling.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The central risk is consumer credit: as a lender, Affirm's profits depend on borrowers repaying, so a weakening job market or stretched consumer could lift delinquencies and charge-offs quickly. For SEZL, sezzle lends to consumers, so a weaker economy or rising delinquencies could push credit losses back toward the 3 to 4 percent of GMV range and compress margins quickly.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick AFRM if you believe its drivers more; SEZL if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the AFRM and SEZL guides.

AFRM. Figures are approximate and tied to the asOf date; verify live numbers before acting. Affirm is valued as a growth fintech, so its multiple reflects expectations for continued GMV and card expansion plus durable profitability, not current earnings alone. Because it is a lender, its results are unusually sensitive to interest rates, funding markets, and consumer credit, which means reported numbers can shift meaningfully quarter to quarter.

SEZL. Sezzle is profitable and growing revenue near 30 percent, which is unusual among BNPL pure-plays. At a recent trailing P/E in the low 40s, the shares carry a growth premium, so the valuation leans heavily on Sezzle sustaining rapid subscriber and volume gains while keeping credit losses low.

Headline figures (approximate, Jul 2026): AFRM shows revenue (ttm) approximately $3.7 billion (quarter ended March 31, 2026 near $1.1 billion), gmv (quarter ended mar 2026) approximately $11.6 billion, up about 35% year over year, profitability reached positive GAAP net income in recent fiscal 2026 quarters; full-year durability still being tested, affirm card card GMV and active cardholders growing far faster than the legacy checkout business; SEZL shows revenue (q1 2026) ~$135.5M (up ~29% YoY), net income (q1 2026) ~$51.3M (~38% margin), gmv (q1 2026) ~$1.11B (up ~37% YoY), diluted eps (q1 2026) ~$1.47.

AFRM and SEZL are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined AFRM and SEZL exposure against your real portfolio. It is not an investment adviser.