In Q3 fiscal 2019 (the quarter ended September 30, 2019), Interactive Brokers's largest business segment was Electronic Brokerage, with $506.00 million or 97% of revenue, up 14.0% from a year earlier. Next: Market Making (3%).
By product or service, Commissions brought in 89%, Risk Exposure Fees brought in 3% and Market Data Fees brought in 3% of revenue in Q2 fiscal 2026.
By region, United States brought in 68% and Non-US brought in 32% of revenue in Q2 fiscal 2026.
From company filings, in USD; latest quarter ended September 30, 2019; quarterly data from Q3 fiscal 2017.

Fiscal quarters, from company filings
| Business segment | Q3 FY19 | Q2 FY19 | Q1 FY19 | Q3 FY18 | Share |
|---|---|---|---|---|---|
| Electronic Brokerage | $506.0M | $473.0M | $456.0M | $444.0M | 97% |
| Market Making | $17.0M | $20.0M | $15.0M | $16.0M | 3% |
In USD, fiscal quarters as reported; share = part of Q3 FY19 revenue.
| Product or service | Q2 FY26 | Q1 FY26 | Q3 FY25 | Q2 FY25 | Share |
|---|---|---|---|---|---|
| Commissions | $673.0M | $613.0M | $537.0M | $516.0M | 89% |
| Risk Exposure Fees | $25.0M | $26.0M | $14.0M | $17.0M | 3% |
| Market Data Fees | $23.0M | $21.0M | $20.0M | $20.0M | 3% |
| Payments for Order Flow | $18.0M | $15.0M | $12.0M | $9.0M | 2% |
| Others | $11.0M | $14.0M | $10.0M | $7.0M | 1% |
| Fdic Sweep Fees | $10.0M | $10.0M | $10.0M | $9.0M | 1% |
In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.
| Region | Q2 FY26 | Q1 FY26 | Q3 FY25 | Q2 FY25 | Share |
|---|---|---|---|---|---|
| United States | $1.3B | $1.1B | $1.2B | $1.0B | 68% |
| Non-US | $612.0M | $528.0M | $469.0M | $474.0M | 32% |
In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.
Electronic Brokerage and Market Making (as reported for Q3 fiscal 2019).
Electronic Brokerage: $506.00 million, or 97% of revenue, in Q3 fiscal 2019.
By revenue in Q2 fiscal 2026: Commissions (89%), Risk Exposure Fees (3%), Market Data Fees (3%) and Payments for Order Flow (2%).
By region in Q2 fiscal 2026: United States (68%) and Non-US (32%).
Click a bar to see that period below. Striped bars are calculated fourth quarters; an empty slot means it could not be calculated on the same basis i
Fiscal quarter ended Dec 31, 2019 · calculated (full year minus the other periods)
| Item | Revenue | Share |
|---|---|---|
| Electronic Brokeragecalc | USD 486.00M | 97.0% |
| Market Makingcalc | USD 15.00M | 3.0% |
| Corporateicalc | -USD 1.00M |
Sum of items USD 501.00M; corporate items and eliminations -USD 1.00M. Shares are of the items shown. Click an item with › to see its parts.
Every item and period in one grid. Purple = calculated; "–" = not available.
| Item | Q4 FY19 | Q3 FY19 | Q2 FY19 | Q1 FY19 | Q4 FY18 | Q3 FY18 | Q2 FY18 | Q1 FY18 | Q4 FY17 | Q3 FY17 |
|---|---|---|---|---|---|---|---|---|---|---|
| Electronic Brokerage | 486.0M | 506.0M | 473.0M | 456.0M | 490.0M | 444.0M | 443.0M | 465.0M | – | 367.0M |
| Market Making | 15.0M | 17.0M | 20.0M | 15.0M | 17.0M | 16.0M | 22.0M | 21.0M | – | 30.0M |
| Corporate | - 1.0M | - 57.0M | - 80.0M | 87.0M | - 15.0M | - 21.0M | - 20.0M | 41.0M | – | 29.0M |