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Interactive Brokers Group

IBKR
79
Investment - Banking & Investment Services · Financial Services
Price
$82.69
-3.34 (-3.88%)
Market Cap
$145.33B
Exchange
NASDAQ
Winston Score
79
Winston is happy
A high-quality business with solid fundamentals.
Data as of Oct 18, 2026 · filings through Jun 30, 2026

§How the score breaks down

Quality
Exceptional
30/30
Growth
Exceptional
19/20
Cash Flow
Exceptional
10/10
Stability
Strong
7/10
Valuation
Good
6/10
Ownership
Mixed
6/15
Dividends
Weak
1/5

79 of 100 counted points = Winston Score 79.

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Share count rising — dilution

+17.8% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 380.0M (2021) → 447.9M (2025)

§Winston Score History

The full picture

Interactive Brokers is an electronic brokerage firm that lets individuals, hedge funds, and financial advisors buy and sell stocks, options, futures, currencies, bonds, and funds across more than 150 markets worldwide. It is known for offering some of the lowest trading commissions in the industry and is one of the largest electronic brokers in the United States by trading volume.

The company makes money primarily through commissions on trades, interest income from client margin loans and cash balances, and fees for various financial services. It operates globally, serving clients in over 200 countries, and generates a significant portion of revenue from net interest income, which makes earnings sensitive to interest rate levels. Its main competitive advantages are its low-cost technology platform and broad market access, but a prolonged drop in interest rates or a slowdown in trading activity could meaningfully reduce profits going forward.

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Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+19.6% YoY

YoY Growth Rate

Steady revenue growth

EPS Growth

+37.3% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$0/ year

0.0% of revenue

Below sector average (7%)

Research and development spending

Insider Activity

2.3%ownership

→ Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$130.9B cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Company generates more cash than it spends — no dilution risk from fundraising

Growth + cash flow

Interactive Brokers Group is a rare growth stock that's already generating positive cash flow while growing at 20%. The Winston Score doesn't fully credit this transition from "burner" to "earner."

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

Each metric is explained in plain language so you know exactly what you're looking at. Start your free trial now.

Quality

Profit per sale
Gross Margin
95.2%
Premium pricing power — 95.2% gross margin
Profit after running costs
Operating Margin
86.4%
Excellent — 86.4% operating margin
Return on the money invested
ROCE
163.5%
Exceptional — 163.5% return on capital

ROIC above 25%. Every dollar invested in the business earns more than 25 cents back per year.

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Growth

Sales growth
Sales YoY
+15.8%
Fast-growing sales (+15.8% YoY)
Profit growth
EPS YoY
+31.8%
Earnings growing fast (+31.8% YoY)

Earnings growing 25%+ a year. The compounder zone.

How steady the profit is
EPS Consistency
8/8 quarters
Every recent quarter grew earnings vs last year

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Cash Flow

Profit that turns into cash
Cash Conversion
1495%
Turns 1495% of profit into real cash
Spare cash per sale
FCF Margin
150.9%
Converts sales into free cash efficiently (150.9%)

Free cash flow margin above 20%. Out of every $100 in sales, more than $20 is real cash they keep.

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Stability

What it owes vs what it owns
Debt / Equity
0.00
Conservative — low debt load (0.00)
Covers its interest
Interest Cover
2.17x
Tight — interest eats into profit (2.2x)

Interest coverage between 1 and 3. Profits cover interest, but with little room to spare.

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Valuation

Price vs profit
P/E Ratio (TTM)
32.7x
Pricey — P/E 32.7

P/E above the market average. People are paying up for expected growth.

Cheaper or dearer next year
P/E vs Forward
+9.3
GROWING
Earnings expected to grow meaningfully — cheaper on forward P/E (32.7 → 23.4)

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Dividends

Dividend
Dividend Yield
0.40%
Small dividend — 0.40% yield

Modest yield. The bulk of any return needs to come from price appreciation.

Dividend record
Dividend Growth
-62.8%
Dividend cut (-62.8% YoY) — warning sign
Payout Ratio
12%
no trend
Pays out a modest share of profit and keeps the rest to reinvest. Room to keep paying through a weak year.

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