IBKR vs. MKL: A Head-to-Head Stock Comparison

Updated on October 4, 2025

Here’s a clear look at IBKR and MKL, comparing key factors like historical performance, profitability, financial strength, growth, dividend, and valuation.

Company Profile

Symbol	IBKR	MKL
Company Name	Interactive Brokers Group, Inc.	Markel Group Inc.
Country	United States	United States
GICS Sector	Financials	Financials
GICS Industry	Capital Markets	Insurance
Market Capitalization	112.34 billion USD	24.22 billion USD
Exchange	NasdaqGS	NYSE
Listing Date	May 4, 2007	December 12, 1986
Security Type	Common Stock	Common Stock

Historical Performance

This chart compares the performance of IBKR and MKL by tracking the growth of an initial $10,000 investment in each. Use the tabs to select the desired time period. Data is adjusted for dividends and splits.

IBKR vs. MKL: Growth of a $10,000 investment over the past one year.

Historical Performance at a Glance

Symbol	IBKR	MKL
5-Day Price Return	6.75%	-0.90%
13-Week Price Return	24.18%	-4.31%
26-Week Price Return	58.26%	2.26%
52-Week Price Return	100.15%	21.81%
Month-to-Date Return	10.56%	-2.43%
Year-to-Date Return	55.78%	10.72%
10-Day Avg. Volume	5.14M	0.05M
3-Month Avg. Volume	6.35M	0.05M
3-Month Volatility	34.31%	18.36%
Beta	1.23	0.79

Profitability

Return on Equity (TTM)

IBKR

18.88%

Capital Markets Industry

Max: 38.97%
Q3: 22.24%
Median: 13.52%
Q1: 8.61%
Min: -4.25%

IBKR’s Return on Equity of 18.88% is on par with the norm for the Capital Markets industry, indicating its profitability relative to shareholder equity is typical for the sector.

MKL

13.06%

Insurance Industry

Max: 30.96%
Q3: 18.76%
Median: 14.22%
Q1: 10.34%
Min: 1.73%

MKL’s Return on Equity of 13.06% is on par with the norm for the Insurance industry, indicating its profitability relative to shareholder equity is typical for the sector.

IBKR vs. MKL: A comparison of their Return on Equity (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Net Profit Margin (TTM)

IBKR

8.57%

Capital Markets Industry

Max: 69.91%
Q3: 37.24%
Median: 24.30%
Q1: 13.06%
Min: -15.18%

Falling into the lower quartile for the Capital Markets industry, IBKR’s Net Profit Margin of 8.57% indicates weaker profitability. This means the company retains a smaller portion of each dollar in sales as profit compared to its competitors.

MKL

13.57%

Insurance Industry

Max: 26.78%
Q3: 14.69%
Median: 9.87%
Q1: 6.59%
Min: -3.51%

MKL’s Net Profit Margin of 13.57% is aligned with the median group of its peers in the Insurance industry. This indicates its ability to convert revenue into profit is typical for the sector.

IBKR vs. MKL: A comparison of their Net Profit Margin (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Operating Profit Margin (TTM)

IBKR

42.00%

Capital Markets Industry

Max: 84.86%
Q3: 47.16%
Median: 32.23%
Q1: 18.65%
Min: -21.87%

IBKR’s Operating Profit Margin of 42.00% is around the midpoint for the Capital Markets industry, indicating that its efficiency in managing core business operations is typical for the sector.

MKL

20.40%

Insurance Industry

Max: 34.52%
Q3: 20.17%
Median: 14.46%
Q1: 9.62%
Min: -2.51%

In the Insurance industry, Operating Profit Margin is often not the primary measure of operational efficiency.

IBKR vs. MKL: A comparison of their Operating Profit Margin (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Profitability at a Glance

Symbol	IBKR	MKL
Return on Equity (TTM)	18.88%	13.06%
Return on Assets (TTM)	0.53%	3.49%
Net Profit Margin (TTM)	8.57%	13.57%
Operating Profit Margin (TTM)	42.00%	20.40%
Gross Profit Margin (TTM)	53.08%	--

Financial Strength

Current Ratio (MRQ)

IBKR

0.96

Capital Markets Industry

Max: 3.37
Q3: 1.81
Median: 1.01
Q1: 0.56
Min: 0.04

For the Capital Markets industry, the Current Ratio is often not the most suitable measure of short-term liquidity.

MKL

Insurance Industry

Max: 2.97
Q3: 1.37
Median: 0.54
Q1: 0.15
Min: 0.00

For the Insurance industry, the Current Ratio is often not the most suitable measure of short-term liquidity.

IBKR vs. MKL: A comparison of their Current Ratio (MRQ) against their respective Capital Markets and Insurance industry benchmarks.

Debt-to-Equity Ratio (MRQ)

IBKR

4.40

Capital Markets Industry

Max: 6.52
Q3: 2.79
Median: 0.96
Q1: 0.28
Min: 0.00

The Debt-to-Equity Ratio is often not the primary focus for assessing leverage in the Capital Markets industry.

MKL

0.25

Insurance Industry

Max: 1.25
Q3: 0.65
Median: 0.34
Q1: 0.23
Min: 0.00

The Debt-to-Equity Ratio is often not the primary focus for assessing leverage in the Insurance industry.

IBKR vs. MKL: A comparison of their Debt-to-Equity Ratio (MRQ) against their respective Capital Markets and Insurance industry benchmarks.

Interest Coverage Ratio (TTM)

IBKR

Capital Markets Industry

Max: 107.59
Q3: 48.41
Median: 10.85
Q1: 4.56
Min: -36.26

The Interest Coverage Ratio is often not a primary indicator of debt servicing capacity in the Capital Markets industry.

MKL

49.59

Insurance Industry

Max: 43.68
Q3: 21.45
Median: 9.67
Q1: 3.55
Min: -5.73

The Interest Coverage Ratio is often not a primary indicator of debt servicing capacity in the Insurance industry.

IBKR vs. MKL: A comparison of their Interest Coverage Ratio (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Financial Strength at a Glance

Symbol	IBKR	MKL
Current Ratio (MRQ)	0.96	--
Quick Ratio (MRQ)	0.96	--
Debt-to-Equity Ratio (MRQ)	4.40	0.25
Interest Coverage Ratio (TTM)	--	49.59

Growth

Revenue Growth

IBKR vs. MKL: A side-by-side comparison of their Revenue Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

EPS Growth

IBKR vs. MKL: A side-by-side comparison of their EPS Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

Dividend

Dividend Yield (TTM)

IBKR

0.10%

Capital Markets Industry

Max: 9.02%
Q3: 4.54%
Median: 2.55%
Q1: 1.27%
Min: 0.00%

IBKR’s Dividend Yield of 0.10% is in the lower quartile for the Capital Markets industry. This suggests the company’s strategy likely favors retaining earnings for growth over providing a high dividend income.

MKL

0.15%

Insurance Industry

Max: 9.80%
Q3: 5.18%
Median: 3.58%
Q1: 2.07%
Min: 0.00%

MKL’s Dividend Yield of 0.15% is in the lower quartile for the Insurance industry. This suggests the company’s strategy likely favors retaining earnings for growth over providing a high dividend income.

IBKR vs. MKL: A comparison of their Dividend Yield (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Dividend Payout Ratio (TTM)

IBKR

13.84%

Capital Markets Industry

Max: 199.38%
Q3: 99.28%
Median: 60.67%
Q1: 32.00%
Min: 0.00%

IBKR’s Dividend Payout Ratio of 13.84% is in the lower quartile for the Capital Markets industry. This suggests a conservative dividend policy, with a strategic focus on reinvesting profits for future growth.

MKL

2.98%

Insurance Industry

Max: 169.40%
Q3: 85.57%
Median: 53.26%
Q1: 23.68%
Min: 0.00%

MKL’s Dividend Payout Ratio of 2.98% is in the lower quartile for the Insurance industry. This suggests a conservative dividend policy, with a strategic focus on reinvesting profits for future growth.

IBKR vs. MKL: A comparison of their Dividend Payout Ratio (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Dividend at a Glance

Symbol	IBKR	MKL
Dividend Yield (TTM)	0.10%	0.15%
Dividend Payout Ratio (TTM)	13.84%	2.98%

Valuation

Price-to-Earnings Ratio (TTM)

IBKR

140.09

Capital Markets Industry

Max: 51.69
Q3: 29.42
Median: 17.58
Q1: 12.55
Min: 5.59

At 140.09, IBKR’s P/E Ratio is exceptionally high, exceeding the typical maximum for the Capital Markets industry. This suggests the stock may be significantly overvalued compared to its peers and implies high market expectations that could be difficult to meet.

MKL

10.77

Insurance Industry

Max: 30.75
Q3: 18.11
Median: 12.67
Q1: 9.66
Min: 2.87

MKL’s P/E Ratio of 10.77 is within the middle range for the Insurance industry. This suggests its valuation is in line with the sector average, representing neither a significant premium nor a discount compared to its peers.

IBKR vs. MKL: A comparison of their Price-to-Earnings Ratio (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Price-to-Sales Ratio (TTM)

IBKR

12.00

Capital Markets Industry

Max: 14.65
Q3: 7.29
Median: 4.53
Q1: 2.26
Min: 0.04

IBKR’s P/S Ratio of 12.00 is in the upper echelon for the Capital Markets industry. This means the company is valued richly on its revenue stream compared to its peers, suggesting the stock is priced for a high level of future performance.

MKL

1.46

Insurance Industry

Max: 3.41
Q3: 1.88
Median: 1.22
Q1: 0.80
Min: 0.23

MKL’s P/S Ratio of 1.46 aligns with the market consensus for the Insurance industry. This suggests its valuation, based on sales, is seen as standard and is on par with its competitors.

IBKR vs. MKL: A comparison of their Price-to-Sales Ratio (TTM) against their respective Capital Markets and Insurance industry benchmarks.

Price-to-Book Ratio (MRQ)

IBKR

19.41

Capital Markets Industry

Max: 10.83
Q3: 5.12
Median: 2.66
Q1: 1.19
Min: 0.37

At 19.41, IBKR’s P/B Ratio is at an extreme premium to the Capital Markets industry. This signifies that the market’s valuation is heavily reliant on future potential rather than its current net asset value, which can be a high-risk proposition.

MKL

1.46

Insurance Industry

Max: 4.57
Q3: 2.56
Median: 1.88
Q1: 1.20
Min: 0.17

MKL’s P/B Ratio of 1.46 is within the conventional range for the Insurance industry. This shows a balanced market view, where the stock’s price is neither at a significant premium nor a discount to the book value of its peers.

IBKR vs. MKL: A comparison of their Price-to-Book Ratio (MRQ) against their respective Capital Markets and Insurance industry benchmarks.

Valuation at a Glance

Symbol	IBKR	MKL
Price-to-Earnings Ratio (TTM)	140.09	10.77
Price-to-Sales Ratio (TTM)	12.00	1.46
Price-to-Book Ratio (MRQ)	19.41	1.46
Price-to-Free Cash Flow Ratio (TTM)	7.78	11.74