Thesis

Street consensus, scenarios, merits, risks, and invalidation triggers

AI-assisted
Thesis Summary

Interactive Brokers entered the second half of 2026 with strong client acquisition, elevated trading activity and substantial operating leverage. July client accounts increased 34% year over year to 5.317 million, client equity increased 32% to $906.7 billion and DARTs increased 27% to 4.426 million. Second-quarter pretax margin was 77%, while commission revenue and net interest income benefited from higher trading volumes and customer balances. Product and geographic expansion—including broader AI connectivity and new access or funding capabilities in Brazil, Romania and Latin America—supports continued platform adoption. The recommendation remains Hold because July DARTs, client equity and margin loans declined sequentially.

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This section is the 12-month view: analyst targets and the probability-weighted scenarios built from them. The intrinsic value at the top of this page answers a different question: what the business is worth today.
Street view · analyst 12-month targets12 analysts · as of 18 Aug 2026
Low · most bearish analyst$70.00
Mean target$106.13
High · most bullish analyst$121.00
Our research · scenarios, merits, risks, and invalidation triggersResearch as of 2 Sep 2026
Scenarios · 12-month scenario targetsAnchored at research date
Bear CaseDownside scenario
$70.0018%

Trading activity weakens, client equity contracts and margin-loan growth reverses, pressuring both commissions and net interest income. New products and market-access initiatives fail to offset cyclical normalization, and operating leverage works in reverse.

Base CaseCentral scenario
$106.1357%
Matches the consensus mean

Account growth remains positive but trading and balance growth normalize from elevated levels. Commission and net-interest revenue remain supported by a larger client base, while pretax profitability stays strong but does not materially expand.

Bull CaseUpside scenario
$121.0025%

Client acquisition and trading activity remain strong, margin balances recover from the July sequential decline, and recently launched AI, exchange-access and regional-funding capabilities increase engagement. The scalable platform sustains high operating leverage.

Scenarios are anchored to street consensus at the research date, with our probabilities and rationale.

Key Investment Merits
  • Client accounts reached 5.317 million in July 2026, up 34% year over year, while client equity rose 32% to $906.7 billion.
  • Second-quarter 2026 pretax margin was 77%; commission revenue increased 30% to $673 million and net interest income increased 23% to $1.06 billion.
  • Interactive Brokers continued expanding platform utility through open MCP-based AI connectivity, Brazilian futures, Bucharest Stock Exchange access and local-currency funding options for eligible Latin American clients.
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Key Investment Risks
  • July DARTs declined 16% month over month, client equity declined 3% and client margin loans declined 7%, demonstrating sensitivity to market activity despite strong year-over-year growth.
  • Second-quarter net interest income growth was driven primarily by higher average customer margin loans and customer credit balances, creating exposure to changes in balances, trading demand and interest-rate conditions.
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All scenarios are estimates and subject to change. Past performance is not indicative of future results.

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AI-assisted, source-linked narrative; figures from company filings (SEC EDGAR) and market data. Dates shown per section. Not investment advice. Terms of Use.