---
schema_version: "secwatch.filing_event.v1"
accession: "0001381197-21-000041"
form_type: "8-K"
ticker: "IBKR"
cik: "0001381197"
company_name: "Interactive Brokers Group, Inc."
filed_at: "2021-10-19T23:59:59+00:00"
generated_at: "2026-06-28T19:55:25.647957+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Interactive Brokers Q3 GAAP EPS $0.43 (adj $0.78); net revenues $464M; dividend $0.10

## Summary
- GAAP diluted EPS $0.43 vs $0.58 year-ago; adjusted EPS $0.78 vs $0.53.
- Net revenues $464M GAAP ($650M adjusted); pretax income $234M ($420M adjusted).
- Commission revenue +11% YoY; net interest income +41% YoY on higher margin loans and securities lending.
- Other income fell $199M, largely due to $185M mark-to-market loss on Tiger Brokers investment.
- Quarterly dividend $0.10/share declared, payable Dec 14 to holders of record Dec 1.

## SEC filing metadata
- accession: 0001381197-21-000041
- form_type: 8-K
- ticker: IBKR
- cik: 0001381197
- company_name: Interactive Brokers Group, Inc.
- filed_at: 2021-10-19T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1381197/000138119721000041/0001381197-21-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1381197/000138119721000041/ibkr_8k-20210930.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001381197-21-000041
- JSON: https://secwatch.observer/filing/0001381197-21-000041.json
- Plain text: https://secwatch.observer/filing/0001381197-21-000041.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.