MKL vs. T

Last updated Jun 13, 2026

MKL (Markel Corporation) and T (AT&T Inc.) are both stocks. MKL operates in Insurance - Property & Casualty (Financial Services), while T operates in Telecom Services (Communication Services). Over the past 10 years, MKL returned 7.12%/yr vs 3.33%/yr for T. At a 0.22 correlation, their price movements are largely independent.

Performance

MKL vs. T - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Markel Corporation (MKL) and AT&T Inc. (T). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MKL achieves a -14.13% return, which is significantly lower than T's -2.96% return. Over the past 10 years, MKL has outperformed T with an annualized return of 7.12%, while T has yielded a comparatively lower 3.33% annualized return.

MKL

• 1D: 0.87%
• 1M: 0.11%
• YTD: -14.13%
• 6M: -14.86%
• 1Y: -4.29%
• 3Y*: 11.11%
• 5Y*: 8.89%
• 10Y*: 7.12%

T

• 1D: 2.52%
• 1M: -1.87%
• YTD: -2.96%
• 6M: -1.93%
• 1Y: -12.71%
• 3Y*: 20.58%
• 5Y*: 7.38%
• 10Y*: 3.33%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MKL vs. T - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MKL Markel Corporation	-14.13%	24.53%	21.57%	7.77%	6.77%	19.42%	-9.61%	10.13%	-8.87%	25.94%
T AT&T Inc.	-2.96%	13.97%	44.08%	-2.74%	5.76%	-8.09%	-21.37%	45.55%	-22.25%	-4.01%

Correlation

The correlation between MKL and T is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.27
Correlation (10Y) Calculated over the trailing 10-year period	0.33
Correlation (All Time) Calculated using the full available price history since Jan 2, 1990	0.22

The correlation between MKL and T shifts across timeframes, from 0.14 (1 year) to 0.33 (10 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS MKL : $176.96 T : $3.04
PE Ratio MKL : 10.43 T : 7.74
PEG Ratio MKL : 0.19 T : 0.32
PS Ratio MKL : 1.04 T : 1.35
Total Revenue (TTM) MKL : $16.57B T : $125.65B
Gross Profit (TTM) MKL : $7.80B T : $105.41B
EBITDA (TTM) MKL : $2.55B T : $54.70B

Return for Risk

MKL vs. T — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MKL

MKL Risk / Return Rank: 30
MKL Sharpe Ratio Rank: 31
MKL Sortino Ratio Rank: 26
MKL Omega Ratio Rank: 26
MKL Calmar Ratio Rank: 35
MKL Martin Ratio Rank: 32

T

T Risk / Return Rank: 18
T Sharpe Ratio Rank: 17
T Sortino Ratio Rank: 17
T Omega Ratio Rank: 18
T Calmar Ratio Rank: 21
T Martin Ratio Rank: 15

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MKL vs. T - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Markel Corporation (MKL) and AT&T Inc. (T). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MKL	T	Difference
Sharpe ratio: Return per unit of total volatility	-0.27	-0.59	+0.32
Sortino ratio: Return per unit of downside risk	-0.24	-0.72	+0.48
Omega ratio: Gain probability vs. loss probability	0.97	0.92	+0.05
Calmar ratio: Return relative to maximum drawdown	-0.25	-0.59	+0.34
Martin ratio: Return relative to average drawdown	-0.60	-1.22	+0.62

MKL vs. T - Sharpe Ratio Comparison

The current MKL Sharpe Ratio is -0.27, which is higher than the T Sharpe Ratio of -0.59. The chart below compares the historical Sharpe Ratios of MKL and T, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MKL vs. T - Drawdown Comparison

The maximum MKL drawdown since its inception was -61.32%, roughly equal to the maximum T drawdown of -64.15%. Use the drawdown chart below to compare losses from any high point for MKL and T.

Drawdown Indicators

	MKL	T	Difference
Max Drawdown Largest peak-to-trough decline	-61.32%	-64.15%	+2.83%
Max Drawdown (1Y) Largest decline over 1 year	-20.10%	-21.87%	+1.77%
Max Drawdown (3Y) Largest decline over 3 years	-20.10%	-21.87%	+1.77%
Max Drawdown (5Y) Largest decline over 5 years	-28.87%	-32.01%	+3.14%
Max Drawdown (10Y) Largest decline over 10 years	-44.66%	-42.35%	-2.31%
Current Drawdown Current decline from peak	-15.78%	-18.12%	+2.34%
Average Drawdown Average peak-to-trough decline	-11.39%	-15.72%	+4.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.47%	10.64%	-2.17%

Volatility

MKL vs. T - Volatility Comparison

The current volatility for Markel Corporation (MKL) is 4.33%, while AT&T Inc. (T) has a volatility of 8.21%. This indicates that MKL experiences smaller price fluctuations and is considered to be less risky than T based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MKL	T	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.33%	8.21%	-3.88%
Volatility (6M) Calculated over the trailing 6-month period	13.32%	17.80%	-4.48%
Volatility (1Y) Calculated over the trailing 1-year period	18.87%	22.13%	-3.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.43%	24.01%	-1.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.27%	23.73%	+1.54%

Dividends

MKL vs. T - Dividend Comparison

MKL has not paid dividends to shareholders, while T's dividend yield for the trailing twelve months is around 4.71%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MKL Markel Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
T AT&T Inc.	4.71%	4.47%	4.87%	6.62%	6.66%	8.46%	7.23%	5.22%	7.01%	5.04%	4.51%	5.46%

Financials

Frequently Asked Questions

Can I hold both MKL and T in my portfolio?

MKL and T have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MKL or T?

T has higher volatility (8.21%) compared to MKL (4.33%). In terms of maximum drawdown, MKL dropped -61.32% vs T's -64.15%.

Which has better risk-adjusted returns?

MKL currently has the higher Sharpe Ratio (-0.27 vs -0.59), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.