AL (Air Lease) 10-Year Sortino Ratio: N/A (As of Sep. 13, 2026)

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.

AL Air Lease Corp AL
64 GF Score
Price $65.00
GF Value $53.04
! 11 Warning Signs
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What is Air Lease 10-Year Sortino Ratio?

The 10-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past ten years. As of today (2026-09-13), Air Lease's 10-Year Sortino Ratio is Not available.


Air Lease  (NYSE:AL) 10-Year Sortino Ratio Explanation

The 10-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past ten year. It is calculated as the annualized result of the average ten-year monthly excess returns divided by the standard deviation of negative returns in the ten-year period. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

Differnt from the Sharpe Ratio that penalizes both upside and downside volatility equally, the Sortino Ratio penalizes only those returns falling below a user-specified target or required rate of return. The expected returns here is set to the risk-free rate as well.


Air Lease 10-Year Sortino Ratio Related Terms


AL vs R, UHAL, GATX: 10-Year Sortino Ratio Comparison

For the Rental & Leasing Services subindustry, Air Lease's 10-Year Sortino Ratio, along with its competitors' market caps and 10-Year Sortino Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Air Lease 10-Year Sortino Ratio vs Business Services Industry

For the Business Services industry and Industrials sector, Air Lease's 10-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Air Lease's 10-Year Sortino Ratio falls into.


AL
64GF Score
Air Lease Corp AL
10-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Air Lease 10-Year Sortino Ratio Calculation

The 10-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last ten year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 10-Year Sortino Ratio can be calculated by dividing the difference between the ten-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past ten year.

A downside risk is a potential loss from the asset or investment. The Downside risk here is measured by the downside deviation, which is the standard deviation of negative returns.

Is Air Lease (AL) Overvalued in 2026?

Based on GuruFocus' analysis, Air Lease stock appears to be overvalued. The current stock price of $65.00 is trading 22.5% above its estimated GF Value™ of $53.04.

Key valuation signals for AL:

  • 10-Year Sortino Ratio: N/A
  • GF Value™: $53.04 vs. price of $65.00 (22.5% above fair value)
  • GF Score™: 64/100 with 11 warning signs

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


Air Lease Business Description

Address 2000 Avenue of the Stars, Suite 1000N, Los Angeles, CA, USA, 90067
Air Lease Corp is an aircraft leasing company based in the United States. It is engaged in the modern, fuel-efficient new technology commercial jet aircraft directly from aircraft manufacturers and leasing those aircraft to airlines throughout the world to generate attractive returns on equity. The company also sells aircraft from its fleet to third parties, including other leasing companies, financial services companies, airlines, and other investors, and offers fleet management services to investors and owners of aircraft portfolios for a management fee. Geographically, it derives a maximum of its revenue from the Europe and the rest from Asia Pacific, Middle East and Africa, Central America, South America, Mexico, the United States, and Canada.
64GF Score

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10-Year Sortino Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$65.00
Price
$53.04
GF Value