IBKR · Nasdaq · USD
Industry (SEC SIC) Security Brokers, Dealers & Flotation Companies
76.90 USD
Close 30 Oct 2026
From the screen snapshot price. End-of-day, not live.
A research memo on Interactive Brokers: what it sells, the money one average account brings, Q3 2026 results, competitors, FY2027 bust/base/boom scenarios, a 31 Oct 2026 valuation with per-share values, leadership and governance, and the next dated test.
Research conclusion · 31 Oct 2026
Quality compounder, fairly priced on our base case. Q3 2026: accounts 5.58M (+35%), customer equity USD 964.7B, net revenues USD 1,914M (+16%), 78% pretax margin, dividend +71%. About 60% of revenue is net interest income, with about USD 83M lost per 25 bp Fed cut. At USD 76.90 (30 Oct close) the stock trades at 28.9x FY2026E EPS of USD 2.66. Scenario values USD 48 bust, 83.4 base, 119 boom; MarketBeat consensus USD 102.87 (18 analysts). Next hard test: Q4 2026 results, expected about 20 January 2027.
Read the full reportDeterministic rule outputs from SEC filings and prices, 0 to 100 per published rule set. Not recommendations. Price used: 76.90 USD on 30 Oct 2026.
| Rule set | Score | Flags |
|---|---|---|
| Graham Defensive | 42 | partial · missing 2,7 stale input |
| Magic Formula | n/a | |
| Momentum | 58 | |
| Insider | n/a | |
| Buffett Quality | 50 | partial · missing 4,5,6,7 |
| Lynch GARP | 64 | partial · missing 4,6 |
| Graham Enterprising | 35 | partial · missing 1,2,6,7 |
| Piotroski F-Score | 33 | partial · missing 5,6,8 |
Every input with its filing: full score sheet · research packet (JSON) · Markdown · SEC filings
Research fair-value comparison · dated sources
87.60 USD average
Below fair value fair value +14% vs price
Average of the latest Morningstar fair value, one analyst consensus target and our own base case, each sourced and dated in the report. Open the fair-value section, chart and sources
One colour rule for both: near fair value (neutral) when fair value is within ±10% of the price; below fair value when fair value is more than 10% above the price; above fair value when it is more than 10% below. The two methods are separate and are never blended.
Financial baseline Q3 2026. Reviewed 31 Oct 2026 · IBKR Mobile ratings pending.
Simulated $50k paper account, not an investable fund.
| Date | Action | Shares | Price |
|---|---|---|---|
| 15 Oct 2026 | BUY | 35.21 | 83.00 |