Interactive Brokers Group (MIL:1IBKR) Net Interest Margin (Bank Only) %

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MIL:1IBKR Interactive Brokers Group Inc MIL:1IBKR
63 GF Score
Price €76.64
GF Value €35.23
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Interactive Brokers Group Net Interest Margin (Bank Only) %?

Net Interest Margin (Bank Only) % only applies to banks.

MIL:1IBKR
63GF Score
Interactive Brokers Group Inc MIL:1IBKR
Net Interest Margin (Bank Only) % is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Interactive Brokers Group (MIL:1IBKR) Overvalued in 2026?

Based on GuruFocus' analysis, Interactive Brokers Group stock appears to be overvalued. The current stock price of €76.64 is trading 117.5% above its estimated GF Value™ of €35.23. GuruFocus considers Interactive Brokers Group to be Significantly Overvalued.

Key valuation signals for MIL:1IBKR:

  • Net Interest Margin (Bank Only) %:
  • GF Value™: €35.23 vs. price of €76.64 (117.5% above fair value)
  • GF Score™: 63/100 with 5 warning signs

No single metric tells the full story. See the MIL:1IBKR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Interactive Brokers Group Business Description

Address One Pickwick Plaza, Greenwich, CT, USA, 06830
Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 170 electronic exchanges, 40 countries, and 29 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.
63GF Score

Get the complete analysis for MIL:1IBKR

Net Interest Margin (Bank Only) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€76.64
Price
€35.23
GF Value