Interactive Brokersvs.Block
IBKR vs XYZ · both in Brokers & fintech, part of the Banks, payments & capital markets value chain: Brokers, trading apps and crypto platforms where investors and consumers access the market.
Interactive Brokers is about 3.3× larger than Block by market cap; year to date, Interactive Brokers leads (+52.7% vs +27.1%).
Side by side
| IBKR | XYZ | |
|---|---|---|
| Market cap | $156B | $46.6B |
| Price | $97.02 | $83.10 |
| Today | −1.2% | +0.5% |
| Return YTD | +52.7% | +27.1% |
| Return 1Y | +56.5% | +4.6% |
| P/E | 138.3 | 130.5 |
| P/S | 13.8 | 1.9 |
| P/B | 26.4 | 2.1 |
Data as of 2026-08-27 · updates daily after U.S. close
The two companies
Interactive BrokersIBKR
Built for active and professional traders who want cheap access to markets around the world. Margins are high for a broker, and higher interest rates feed straight through to profit.
Full IBKR profile →BlockXYZ
Two products carry the company: Square, which takes payments for merchants, and Cash App, which handles consumer money. Bitcoin runs through both. Growth-oriented, and the field is crowded.
Full XYZ profile →More IBKR & XYZ comparisons
Other head-to-heads in the Brokers & fintech segment.