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Jefferies Financial Group vs Interactive Brokers Group: JEF and IBKR compared
Jefferies Financial Group is the larger company: $3.2B of revenue in its latest quarter (Q3 FY26) against $1.9B for Interactive Brokers Group (Q3 2026). Interactive Brokers Group is growing faster (+16% against +11% a year earlier). Interactive Brokers Group is more profitable, with an operating margin of 78.2% against 10.9%.
Where the money goes: JEF and IBKR
Jefferies Financial Group (JEF) · Q3 FY26
Jefferies Financial Group, Q3 FY26: revenue $3.2B (+11% year over year), operating margin 10.9%, net earnings $288M, operating cash flow $2.6B. The chart follows the revenue to costs, profit and cash.
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.
| Jefferies Financial Group (JEF) | Interactive Brokers Group (IBKR) | |
|---|---|---|
| Latest quarter | Q3 FY26 | Q3 2026 |
| Revenue | $3.2B | $1.9B |
| Revenue growth, Y/Y | +11% | +16% |
| Operating margin | 10.9% | 78.2% |
| Net earnings | $288M | $314M |
| Net margin | 8.9% | 16.4% |
| Operating cash flow | $2.6B | $858M |
| Free cash flow | $2.5B | — |
| Market value | $10.6B | $34.4B |
| P/E | 11.6× | 6.8× |
| Analysts’ mean target | $55.17 | $104.16 |
Where the revenue comes from
Jefferies Financial Group
- Investment banking: $1.3B (40%)
- Interest: $923M (29%)
- Investment banking - Underwriting: $483M (15%)
- Principal transactions: $467M (14%)
Interactive Brokers Group
- Other revenues: $1.2B (64%)
- Commissions: $602M (31%)
- Risk Exposure Fees: $25.0M (1%)
- Market Data Fees: $23.0M (1%)
Questions
Which is bigger, Jefferies Financial Group or Interactive Brokers Group?
Jefferies Financial Group is the larger company: $3.2B of revenue in its latest quarter (Q3 FY26) against $1.9B for Interactive Brokers Group (Q3 2026).
Is Jefferies Financial Group or Interactive Brokers Group growing faster?
Interactive Brokers Group is growing faster (+16% against +11% a year earlier).
Which is more profitable, Jefferies Financial Group or Interactive Brokers Group?
Interactive Brokers Group is more profitable, with an operating margin of 78.2% against 10.9%.
More: Jefferies Financial Group earnings · how Jefferies Financial Group makes money · Interactive Brokers Group earnings · how Interactive Brokers Group makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 9, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.