TLN (Talen Energy) 5-Year Sortino Ratio: N/A (As of Sep. 07, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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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.

TLN Talen Energy Corp TLN
52 GF Score
Price $317.00
GF Value $525.81
Valuation Possible Value Trap
! 7 Warning Signs
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What is Talen Energy 5-Year Sortino Ratio?

The 5-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past five years. As of today (2026-09-07), Talen Energy's 5-Year Sortino Ratio is Not available.


Talen Energy  (NAS:TLN) 5-Year Sortino Ratio Explanation

The 5-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past five year. It is calculated as the annualized result of the average five-year monthly excess returns divided by the standard deviation of negative returns in the five-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.


Talen Energy 5-Year Sortino Ratio Related Terms


TLN vs OKLO, NRG, KEN: 5-Year Sortino Ratio Comparison

For the Utilities - Independent Power Producers subindustry, Talen Energy's 5-Year Sortino Ratio, along with its competitors' market caps and 5-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.


Talen Energy 5-Year Sortino Ratio vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Talen Energy's 5-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Talen Energy's 5-Year Sortino Ratio falls into.


TLN
52GF Score
Talen Energy Corp TLN
5-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Talen Energy 5-Year Sortino Ratio Calculation

The 5-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio in the last five year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 5-Year Sortino Ratio can be calculated by dividing the difference between the five-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the downside risks over the past five 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 Talen Energy (TLN) Overvalued in 2026?

Based on GuruFocus' analysis, Talen Energy stock appears to be undervalued. The current stock price of $317.00 is trading 39.7% below its estimated GF Value™ of $525.81. GuruFocus considers Talen Energy to be Possible Value Trap.

Key valuation signals for TLN:

  • 5-Year Sortino Ratio: N/A
  • GF Value™: $525.81 vs. price of $317.00 (39.7% below fair value)
  • GF Score™: 52/100 with 7 warning signs

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


Talen Energy Business Description

Other Exchanges 1TLN:Italy
Address 2929 Allen Parkway, Suite 2200, Houston, TX, USA, 77019
Talen Energy Corp is an independent power producer and energy infrastructure company based in the United States. It owns and operates several gigawatts of power infrastructure in the United States, including 2.2GW of nuclear power and a dispatchable fossil fleet. The company produces and sells electricity, capacity, and ancillary services into wholesale U.S. power markets, with its generation fleet principally located in the Mid-Atlantic, Ohio, and Montana. Talen's operating segments are: PJM and Others. The PJM segment, which generates maximum revenue, is engaged in electricity generation, marketing activities, and commodity risk and fuel management within the PJM market and is comprised of Susquehanna and Talen's natural gas and coal generation facilities in PJM.
52GF Score

Get the complete analysis for TLN

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

$317.00
Price
$525.81
GF Value