FISV vs LSPD: 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: FISV 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. FISV and LSPD 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 FISV and LSPD 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.

Fiserv is one of the largest payments and financial-technology companies in the world. It operates broadly in two areas: merchant solutions, where it processes card and digital payments for millions of businesses and runs the Clover point-of-sale and small-business platform, and financial solutions, where it provides core account processing, card issuing, digital banking, and related technology to banks and credit unions. Most of its revenue is recurring and transaction-based, tied to the volume of payments and accounts it processes, which gives the business a steady, infrastructure-like quality. Fiserv changed its listing to the Nasdaq and reinstated its original ticker symbol FISV (from FI) in November 2025.

Full FISV guide

Lightspeed Commerce is a Montreal-based provider of cloud commerce software, combining point-of-sale systems, e-commerce, inventory and analytics tools, and embedded payments for small and mid-sized retail, hospitality, and golf businesses. It grew rapidly through the 2010s and made a string of acquisitions, but that expansion left it unprofitable and unfocused. Since then the company has run a multi-year transformation: it divested non-core assets such as Upserve, concentrated investment in North American retail and European hospitality (the segments it calls its growth engines, which now make up roughly two-thirds to three-quarters of revenue), and set three priorities: adding customer locations in those growth engines, expanding subscription revenue per user, and improving margins.

Full LSPD guide

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

• FISV drivers: Recurring, transaction-based revenue; Clover platform growth.
• LSPD drivers: Focus on two core segments; Payments attach and ARPU.

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 main risk is that Fiserv's growth is modest, so slowing organic revenue growth, margin pressure, or weaker free cash flow can disappoint investors, as the 2026 share weakness showed. For LSPD, lightspeed operates in a crowded commerce-software market against much larger and better-capitalized rivals, so competition on price and features is a constant pressure.

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 FISV if you believe its drivers more; LSPD 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 FISV and LSPD guides.

FISV. Figures are approximate and tied to the asOf date; verify live numbers before acting. Fiserv is a profitable, cash-generative company, so an earnings multiple is meaningful, and the 2026 share weakness left some valuation metrics looking discounted versus its history. But the market's concern is the pace of organic growth, margins, and free-cash-flow recovery, so investors should weigh those trends and execution on internal initiatives rather than the multiple alone.

LSPD. Figures are approximate and tied to the asOf date; verify live numbers before acting. Lightspeed is valued more on the credibility of its turnaround (growth in the focus segments, rising payments attach, and the path to sustained profit) than on a simple earnings multiple, since it is only recently approaching consistent profitability. Because it is a small-cap software stock, the price can move sharply on quarterly results and guidance, and the low share price partly reflects the market's caution after years of losses.

Headline figures (approximate, Jul 2026): FISV shows revenue (q1 2026) ~$5.03 billion, down about 2% year over year, adjusted eps (q1 2026) ~$1.79, beating expectations though down year over year, gaap eps (q1 2026) ~$1.07, 2026 guidance organic revenue growth ~1% to 3%; adjusted EPS ~$8.00 to $8.30 (reaffirmed); LSPD shows revenue (fy2026) Approximately $1.23 billion, up roughly 14% year over year, net loss (fy2026) Narrowed substantially year over year (net loss on the order of $140 million, well below the prior year), free cash flow Turned positive, with a second consecutive quarter of positive free cash flow reported, cash on balance sheet Approximately $454 million at fiscal year-end, with share count down about 6% on buybacks.

FISV and LSPD 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 FISV and LSPD exposure against your real portfolio. It is not an investment adviser.