SSSAF (Shurgard Self Storage) 10-Year Sortino Ratio: N/A (As of Aug. 30, 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.

SSSAF Shurgard Self Storage Ltd SSSAF
72 GF Score
Price $26.92
GF Value $46.26
Valuation Possible Value Trap
! 7 Warning Signs
View Full Analysis

What is Shurgard Self Storage 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 (2026-08-30), Shurgard Self Storage's 10-Year Sortino Ratio is Not available.


Shurgard Self Storage  (OTCPK:SSSAF) 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.


Shurgard Self Storage 10-Year Sortino Ratio Related Terms


SSSAF vs EQIX, AMT, DLR: 10-Year Sortino Ratio Comparison

For the REIT - Specialty subindustry, Shurgard Self Storage'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.


Shurgard Self Storage 10-Year Sortino Ratio vs REITs Industry

For the REITs industry and Real Estate sector, Shurgard Self Storage's 10-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Shurgard Self Storage's 10-Year Sortino Ratio falls into.


SSSAF
72GF Score
Shurgard Self Storage Ltd SSSAF
10-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Shurgard Self Storage 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 Shurgard Self Storage (SSSAF) Overvalued in 2026?

Based on GuruFocus' analysis, Shurgard Self Storage stock appears to be undervalued. The current stock price of $26.92 is trading 41.8% below its estimated GF Value™ of $46.26. GuruFocus considers Shurgard Self Storage to be Possible Value Trap.

Key valuation signals for SSSAF:

  • 10-Year Sortino Ratio: N/A
  • GF Value™: $46.26 vs. price of $26.92 (41.8% below fair value)
  • GF Score™: 72/100 with 7 warning signs

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


Shurgard Self Storage Business Description

Industry Real EstateREITs
Address Admiral Park, St Peters Port, Ground Floor, Plaza House, Guernsey, GGY, GY1 2HU
Shurgard Self Storage Ltd is an owner and operator of self-storage centers. The company has two reportable segments namely Same Stores and Non-Same Stores. It generates maximum revenue from the Same Stores segment. Geographically, the company derives the majority revenue from UK and also has a presence in the Netherlands, France, Sweden, Belgium, Germany and Denmark among others. It generates revenue through the lease of storage units and related activities, including insurance referrals and the sale of storage products and packaging.
72GF Score

Get the complete analysis for SSSAF

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

$26.92
Price
$46.26
GF Value