Interactive Brokers Group Inc
NASDAQ: IBKR · FINANCIAL SERVICES · CAPITAL MARKETS
Updated 2026-04-30
Interactive Brokers Group Inc (IBKR) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for IBKR.
Valued
Valuation reasonably reflects current fundamentals. Limited margin of safety at these levels.
IBKR historical valuation range
Where current P/E sits in IBKR's own 5Y range.
IBKR intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Standard discounted cash flow models produce unreliable output for unprofitable or near-breakeven companies. Revenue-based multiples such as P/S and EV/Sales, combined with the historical valuation position above, give a more reliable read for this stock.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
IBKR valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
Current: 33.03x
P/S Ratio — History
Current: 5.30x
Is IBKR overvalued in 2026?
Interactive Brokers Group Inc (IBKR) currently trades at $79.50 per share with a market capitalization of $34,143,164,000.00. Based on our multi-factor framework, the stock trades at a fair valuation with a Smart Value Score of 67/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
The stock trades at a P/E ratio of 33.0x, below its 5-year median of 57.0x. The PEG ratio of 2.07 indicates the price has run ahead of the underlying growth rate.
Looking at its own history, IBKR is currently trading cheaper than 58% of the last 5Y on P/E. This places it in the 42th percentile of its historical range, a reasonable but unremarkable position.
A standard DCF model does not produce reliable output for IBKR under current conditions. For unprofitable or near-breakeven companies, revenue-based multiples such as EV/Sales and historical P/S percentile are more informative than intrinsic value calculations.
Financial quality is a concern. The Piotroski F-Score of 2/9 flags weakening fundamentals that deserve closer scrutiny before the valuation case can be fully trusted.
Bottom line: IBKR trades at a fair valuation on our framework, with a Smart Value Score of 67/100. The valuation is defensible but offers no obvious bargain. Patience or a better entry price may reward disciplined buyers.
Frequently asked questions
Is IBKR overvalued in 2026?
Based on a Smart Value Score of 67/100, IBKR is fairly valued. Price reasonably reflects current fundamentals with limited cushion in either direction.
What is IBKR's fair value?
Standard DCF is unreliable for IBKR due to its current profitability profile. Revenue-based approaches such as EV/Sales or historical P/S percentile are more informative for this stock.
What P/E ratio does IBKR trade at?
IBKR trades at a P/E of 33.0x on trailing twelve-month earnings, compared to its 5-year median of 57.0x.
Is IBKR a buy based on valuation?
WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 67/100 reflects the combined read on growth, quality, and price. The profile is balanced. Best suited for investors with an existing thesis.
How does IBKR's valuation compare to its history?
On P/E, IBKR currently sits in the 42th percentile of its own 5Y range. That is below its long-run median relative to where it has traded over the period.
What is IBKR's Smart Value Score?
IBKR's Smart Value Score is 67/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.