IBKR vs VIRT: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of September 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: VIRT 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. IBKR and VIRT 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 IBKR and VIRT 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.

Interactive Brokers Group operates one of the largest electronic brokerage platforms in the world, offering trading in stocks, options, futures, currencies, bonds, funds, and prediction markets across more than 170 markets from a single unified account. Its edge is automation and cost: the firm runs on lean technology, passes through low commissions and margin rates, and serves a global mix of active individual traders, hedge funds, proprietary trading groups, financial advisors, and introducing brokers. Revenue comes mainly from two engines, transaction commissions and net interest income earned on customer cash balances and margin loans.

Full IBKR guide

Virtu Financial is a global electronic market maker and trading-technology firm that provides continuous bid and offer prices across equities, options, fixed income, currencies, and commodities. The company quotes in more than 25,000 securities at over 235 venues across roughly 37 countries, and it runs two segments: Market Making, which captures the spread between buy and sell orders, and Execution Services, which sells algorithmic trading, smart order routing, and analytics to institutional clients like asset managers, hedge funds, and broker-dealers. Market Making generated about 81 percent of adjusted net trading income in early 2026, with Execution Services the balance.

Full VIRT guide

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

• IBKR drivers: Account and client-asset growth; Net interest income on customer balances.
• VIRT drivers: Volatility as a tailwind; Capital deployment and 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 biggest swing factor is interest rates, since a large share of profit is net interest income that would compress if rates fall. For VIRT, virtu's earnings are highly variable because they depend on trading volumes and volatility that the company cannot control, so calm markets can compress trading income sharply.

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 IBKR if you believe its drivers more; VIRT 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 IBKR and VIRT guides.

IBKR. As of July 2026, IBKR trades at roughly 40 times trailing earnings, a premium to its own history after the stock roughly doubled over the prior year. Growth has been strong, with record quarterly revenue and pre-tax margins above 70 percent, but the elevated multiple leaves less room for error if rates fall or trading volumes slow.

VIRT. Virtu posted record trading income in Q1 2026 as market volatility lifted volumes, but its results are inherently lumpy from quarter to quarter. With roughly 87 million shares and a market cap near $5.5 billion, the stock is often valued on a normalized or through-cycle earnings basis rather than a single peak quarter. The dividend adds an income component that partly offsets the earnings variability.

Headline figures (approximate, JULY 2026): IBKR shows revenue (ttm net revenues) ~$6.5B, q1 2026 net revenues ~$1.67B, net interest income (q1 2026) ~$904M, commissions (q1 2026) ~$613M; VIRT shows q1 2026 total revenues ~$1.1B (+31% YoY), q1 2026 net income ~$347M, adjusted net trading income (q1 2026) ~$787M (record), normalized adjusted eps (q1 2026) ~$2.24.

IBKR and VIRT 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 IBKR and VIRT exposure against your real portfolio. It is not an investment adviser.