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Interactive Brokers Group vs Stifel Financial: IBKR and SF compared
Interactive Brokers Group is the larger company: $1.9B of revenue in its latest quarter (Q3 2026) against $1.6B for Stifel Financial (Q3 2026). Interactive Brokers Group is growing faster (+16% against 0% a year earlier). Interactive Brokers Group is more profitable, with an operating margin of 78.2% against 18.9%.
Where the money goes: IBKR and SF
Interactive Brokers Group (IBKR) · Q3 2026
Interactive Brokers Group, Q3 2026: revenue $1.9B (+16% year over year), operating margin 78.2%, net earnings $314M, operating cash flow $858M. The chart follows the revenue to costs, profit and cash.
Stifel Financial (SF) · Q3 2026
Stifel Financial, Q3 2026: revenue $1.6B (0% year over year), operating margin 18.9%, net earnings $234M, operating cash flow $801M. The chart follows the revenue to costs, profit and cash.
| Interactive Brokers Group (IBKR) | Stifel Financial (SF) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $1.9B | $1.6B |
| Revenue growth, Y/Y | +16% | 0% |
| Operating margin | 78.2% | 18.9% |
| Net earnings | $314M | $234M |
| Net margin | 16.4% | 14.3% |
| Operating cash flow | $858M | $801M |
| Free cash flow | — | $753M |
| Market value | $34.4B | $11.4B |
| P/E | 6.8× | 10.0× |
| Analysts’ mean target | $104.16 | $80.88 |
Where the revenue comes from
Interactive Brokers Group
- Other revenues: $1.2B (64%)
- Commissions: $602M (31%)
- Risk Exposure Fees: $25.0M (1%)
- Market Data Fees: $23.0M (1%)
Stifel Financial
- Other revenues: $636M (39%)
- Asset Management1: $492M (30%)
- Investment Banking: $306M (19%)
- Commissions: $201M (12%)
Questions
Which is bigger, Interactive Brokers Group or Stifel Financial?
Interactive Brokers Group is the larger company: $1.9B of revenue in its latest quarter (Q3 2026) against $1.6B for Stifel Financial (Q3 2026).
Is Interactive Brokers Group or Stifel Financial growing faster?
Interactive Brokers Group is growing faster (+16% against 0% a year earlier).
Which is more profitable, Interactive Brokers Group or Stifel Financial?
Interactive Brokers Group is more profitable, with an operating margin of 78.2% against 18.9%.
More: Interactive Brokers Group earnings · how Interactive Brokers Group makes money · Stifel Financial earnings · how Stifel Financial makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-Q filed Nov 4, 2026). Fiscal quarters can end on different dates. Not investment advice.