Volatility is a statistical measure of the dispersion of returns for a given security or market index, it shows how the price swings around its mean. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year. In most cases, the higher the volatility, the riskier the security.
PT ERA Media Sejahtera TBK (ISX:DOOH) Volatility Explanation
Volatility is a statistical measure of the dispersion of returns for a given security or market index. It’s often measured as standard deviation or variance of historical returns over a certain period. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year.
Volatility reflects the uncertainty or risk of a security’s value. Generally speaking, a higher volatility suggests a higher risk, because it implies a wider fluctuation around average price. This means the price of the security can change dramatically in either direction within a short period. Conversely, a lower volatility means that the security's price is more steady, which suggests a lower risk.
Another measurement of relative volatility is Beta. Beta is a measure of systematic risk of a security or a portfolio in comparison to the market as a whole. Beta is usually compared to 1. A beta of greater than 1 indicates that the security's price will be more volatile than the market.
PT ERA Media Sejahtera TBK Volatility Related Terms
ISX:DOOH vs APP, OMC, TTD: Volatility Comparison
For the Advertising Agencies subindustry, PT ERA Media Sejahtera TBK's Volatility, along with its competitors' market caps and Volatility 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.
PT ERA Media Sejahtera TBK Volatility vs Media - Diversified Industry
For the Media - Diversified industry and Communication Services sector, PT ERA Media Sejahtera TBK's Volatility distribution charts can be found below:
* The bar in red indicates where PT ERA Media Sejahtera TBK's Volatility falls into.
PT ERA Media Sejahtera TBK (ISX:DOOH) Volatility Calculation
The annualized volatility is calculated as following:
σA
=
σM
*
√12
=
√ 1/(n-1) ∑(Ri - R')^2
*
√12
Where: σM is the monthly volatility, n is the number of months in the period, Ri is the security's historical monthly returns and R' is the arithmetic mean of monthly returns.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
PT ERA Media Sejahtera TBK (ISX:DOOH) has a Volatility of 119.91% as of Jun. 27, 2026. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on PT ERA Media Sejahtera TBK and its competitors.
Is PT ERA Media Sejahtera TBK's Volatility too high?
PT ERA Media Sejahtera TBK's current Volatility is 119.91%. Overall, PT ERA Media Sejahtera TBK has a GF Score™ of 60/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does PT ERA Media Sejahtera TBK's Volatility compare to APP and OMC?
PT ERA Media Sejahtera TBK's Volatility of 119.91% can be compared against companies in the Media - Diversified industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Volatility for a Media - Diversified company?
A good Volatility depends on the Media - Diversified industry context. However, Volatility 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 Volatility mean?
A high Volatility can signal that a stock is expensive relative to its fundamentals. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on PT ERA Media Sejahtera TBK and its competitors. PT ERA Media Sejahtera TBK's current Volatility is 119.91%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PT ERA Media Sejahtera TBK stock overvalued right now?
Based on GuruFocus' analysis, PT ERA Media Sejahtera TBK (ISX:DOOH) is currently considered Modestly Undervalued. The stock's GF Value™ is Rp145.44, compared to a current price of Rp111.00 — trading 23.7% below its estimated fair value. The current Volatility is 119.91%. PT ERA Media Sejahtera TBK's overall GF Score™ is 60/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Volatility calculated?
Volatility is calculated from a company's financial statements. For PT ERA Media Sejahtera TBK (ISX:DOOH), the current Volatility is 119.91% as of Jun. 27, 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 PT ERA Media Sejahtera TBK (ISX:DOOH) Overvalued in 2026?
Based on GuruFocus' analysis, PT ERA Media Sejahtera TBK stock appears to be undervalued.
The current stock price of Rp111.00 is trading 23.7% below its estimated GF Value™ of Rp145.44.
GuruFocus considers PT ERA Media Sejahtera TBK to be Modestly Undervalued.
Key valuation signals for ISX:DOOH:
Volatility: 119.91%
GF Value™: Rp145.44 vs. price of Rp111.00 (23.7% below fair value)
No single metric tells the full story. See the ISX:DOOH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
PT ERA Media Sejahtera TBK is an Indonesian-based media investment company that provides advertising and management consulting services. Its advertising business involves OOH (Out of Home) advertising services through various forms of media such as billboards, videotrons, digital totems, and LED pylons placed in public places; DOOH (Digital Out-of-Home) advertising services which involves displaying advertisements in public places such as highways, train stations, airports, shopping centers and office buildings using digital screens or LED displays; Mobile app ads; and organizing marketing events and exhibitions for its clients. The company's reportable business segments are Advertising, which generates the maximum revenue, Consulting, Event & Exhibition, and Merchandise.
60GF Score
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