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.
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.
The 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. As of today (2026-09-21), Western Midstream Partners LP's 3-Year Sortino Ratio is 1.93.
Western Midstream Partners LP (NYSE:WES) 3-Year Sortino Ratio Explanation
The 3-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past three year. It is calculated as the annualized result of the average three-year monthly excess returns divided by the standard deviation of negative returns in the three-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.
Western Midstream Partners LP 3-Year Sortino Ratio Related Terms
WES vs PAA, VNOM, DTM: 3-Year Sortino Ratio Comparison
For the Oil & Gas Midstream subindustry, Western Midstream Partners LP's 3-Year Sortino Ratio, along with its competitors' market caps and 3-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.
Western Midstream Partners LP 3-Year Sortino Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Western Midstream Partners LP's 3-Year Sortino Ratio distribution charts can be found below:
* The bar in red indicates where Western Midstream Partners LP's 3-Year Sortino Ratio falls into.
Western Midstream Partners LP 3-Year Sortino Ratio Calculation
The 3-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last three year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 3-Year Sortino Ratio can be calculated by dividing the difference between the three-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past three 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.
Western Midstream Partners LP (WES) has a 3-Year Sortino Ratio of 1.93 as of Sep. 21, 2026. 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. View historical data for Western Midstream Partners LP and its competitors.
Is Western Midstream Partners LP's 3-Year Sortino Ratio too high?
Western Midstream Partners LP's current 3-Year Sortino Ratio is 1.93. Overall, Western Midstream Partners LP has a GF Score™ of 86/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Western Midstream Partners LP's 3-Year Sortino Ratio compare to PAA and VNOM?
Western Midstream Partners LP's 3-Year Sortino Ratio of 1.93 can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Sortino Ratio for an Oil & Gas company?
A good 3-Year Sortino Ratio depends on the Oil & Gas industry context. However, 3-Year Sortino Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Sortino Ratio mean?
A high 3-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 3-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past three years. View historical data for Western Midstream Partners LP and its competitors. Western Midstream Partners LP's current 3-Year Sortino Ratio is 1.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Western Midstream Partners LP stock overvalued right now?
Based on GuruFocus' analysis, Western Midstream Partners LP (WES) is currently considered Fairly Valued. The stock's GF Value™ is $46.97, compared to a current price of $46.91 — trading 0.1% below its estimated fair value. The current 3-Year Sortino Ratio is 1.93. Western Midstream Partners LP's overall GF Score™ is 86/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Sortino Ratio calculated?
3-Year Sortino Ratio is calculated from a company's financial statements. For Western Midstream Partners LP (WES), the current 3-Year Sortino Ratio is 1.93 as of Sep. 21, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Western Midstream Partners LP (WES) Overvalued in 2026?
Based on GuruFocus' analysis, Western Midstream Partners LP stock appears to be undervalued.
The current stock price of $46.91 is trading 0.1% below its estimated GF Value™ of $46.97.
GuruFocus considers Western Midstream Partners LP to be Fairly Valued.
Key valuation signals for WES:
3-Year Sortino Ratio: 1.93
GF Value™: $46.97 vs. price of $46.91 (0.1% below fair value)
No single metric tells the full story. See the WES stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Western Midstream Partners LP is a USA-based company which own, operate, acquire and develop midstream energy assets. The company through its subsidiary is engaged in the business of gathering, processing, compressing, treating and transporting natural gas, condensate, NGLs and crude oil. It owns or has investments in assets located in the Rocky Mountains (Colorado, Utah, and Wyoming), the Mid-Continent (Kansas and Oklahoma) and Texas.
86GF Score
Get the complete analysis for WES
3-Year Sortino Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
WES has been successfully added to your 
