Quick answer
Interactive Brokers Group (IBKR) reported earnings of $0.67 per share for the quarter ended Sep 2026 on Oct 15, 2026, which matched the $0.67 consensus forecast by 0.0%. The stock closed +2.2% on the report day ($86.03 vs $84.14 the session before) and is -1.7% through Oct 16, 2026.
EPS (Sep 2026)$0.67
Consensus$0.67
Surprise+0.0%
Report-day move+2.2%
EPS vs consensus, last four quarters
| Quarter ended | Reported | EPS | Consensus | Surprise |
|---|---|---|---|---|
| Sep 2026 | 10/15/2026 | $0.67 | $0.67 | +0.0% |
| Jun 2026 | 7/21/2026 | $0.69 | $0.64 | +7.8% |
| Mar 2026 | 4/21/2026 | $0.60 | $0.62 | -3.2% |
| Dec 2025 | 1/20/2026 | $0.65 | $0.52 | +25.0% |
IBKR beat the consensus EPS forecast in 2 of the last 4 quarters (Nasdaq / Zacks data).
Revenue by quarter (SEC XBRL, RevenueFromContractWithCustomerExcludingAssessedTax)
| Quarter | Revenue | Year earlier | YoY | Filing |
|---|---|---|---|---|
| Jan 1, 2025 – Mar 31, 2025 | $592.0M | $438.0M | +35.2% | 10-Q filed May 7, 2026 |
| Apr 1, 2025 – Jun 30, 2025 | $578.0M | $474.0M | +21.9% | 10-Q filed Aug 6, 2026 |
| Jul 1, 2025 – Sep 30, 2025 | $603.0M | $507.0M | +18.9% | 10-Q filed Nov 5, 2025 |
| Jan 1, 2026 – Mar 31, 2026 | $699.0M | $592.0M | +18.1% | 10-Q filed May 7, 2026 |
| Apr 1, 2026 – Jun 30, 2026 | $760.0M | $578.0M | +31.5% | 10-Q filed Aug 6, 2026 |
Diluted EPS as filed with the SEC
| Quarter | Diluted EPS | Filing |
|---|---|---|
| Jan 1, 2025 – Mar 31, 2025 | $0.48 | 10-Q filed May 7, 2026 |
| Apr 1, 2025 – Jun 30, 2025 | $0.51 | 10-Q filed Aug 6, 2026 |
| Jul 1, 2025 – Sep 30, 2025 | $0.59 | 10-Q filed Nov 5, 2025 |
| Jan 1, 2026 – Mar 31, 2026 | $0.59 | 10-Q filed May 7, 2026 |
| Apr 1, 2026 – Jun 30, 2026 | $0.69 | 10-Q filed Aug 6, 2026 |
SEC XBRL figures come from 10-Q/10-K filings, so the newest quarter appears only after the 10-Q is filed; reported quarterly values only (no derived Q4).
Stock reaction
| Date | Close | Change vs pre-report close | |
|---|---|---|---|
| Session before report | Oct 14, 2026 | $84.14 | – |
| Report day | Oct 15, 2026 | $86.03 | +2.25% |
| Next session | Oct 16, 2026 | $82.69 | -1.72% |
Nasdaq does not always state whether the report came before the open or after the close, so both the report-day and next-session moves are shown.
Sources
- SEC XBRL: Interactive Brokers Group RevenueFromContractWithCustomerExcludingAssessedTax (latest filing Aug 6, 2026)
- SEC XBRL: Interactive Brokers Group diluted EPS (latest filing Aug 6, 2026)
- SEC EDGAR: Interactive Brokers Group Form 8-K (earnings release), Items 2.02,9.01 (filed Oct 15, 2026)
- Nasdaq: IBKR earnings surprise history and next date (retrieved Oct 19, 2026)
- Nasdaq: IBKR historical prices (through Oct 16, 2026 close)