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PT Indosat Tbk has the GF Score of 86, which implies that the company
might have
Good outperformance potential.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes PT Indosat Tbk
might have
Good outperformance potential.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
PT Indosat Tbk (ISX:ISAT) GF Score Explanation
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
PT Indosat Tbk GF Score Related Terms
ISX:ISAT vs TMUS, VZ, T: GF Score Comparison
For the Telecom Services subindustry, PT Indosat Tbk's GF Score, along with its competitors' market caps and GF Score 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 Indosat Tbk GF Score vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, PT Indosat Tbk's GF Score distribution charts can be found below:
* The bar in red indicates where PT Indosat Tbk's GF Score falls into.
PT Indosat Tbk (ISX:ISAT) has a GF Score of 86 as of Jul. 14, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on PT Indosat Tbk and its competitors. This is near median its historical median of 79.00. Over the past decade, PT Indosat Tbk's GF Score has ranged from 52.00 to 90.00.
Is PT Indosat Tbk's GF Score too high?
PT Indosat Tbk's current GF Score of 86 is near median its 10-year median of 79.00. Over the past 10 years, this metric has ranged from a low of 52.00 to a high of 90.00. Overall, PT Indosat Tbk has a GF Score™ of 86/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does PT Indosat Tbk's GF Score compare to TMUS and VZ?
PT Indosat Tbk's GF Score of 86 can be compared against companies in the Telecommunication Services industry. Historically, PT Indosat Tbk's own GF Score has ranged from 52.00 to 90.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Telecommunication Services company?
A good GF Score depends on the Telecommunication Services industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on PT Indosat Tbk and its competitors. PT Indosat Tbk's current GF Score is 86, which is near median its own 10-year median of 79.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PT Indosat Tbk stock overvalued right now?
Based on GuruFocus' analysis, PT Indosat Tbk (ISX:ISAT) is currently considered Modestly Undervalued. The stock's GF Value™ is Rp2,562.55, compared to a current price of Rp1,860.00 — trading 27.4% below its estimated fair value. The current GF Score is 86, which is near median its 10-year median of 79.00. PT Indosat Tbk's overall GF Score™ is 86/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For PT Indosat Tbk (ISX:ISAT), the current GF Score is 86 as of Jul. 14, 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 Indosat Tbk (ISX:ISAT) Overvalued in 2026?
Based on GuruFocus' analysis, PT Indosat Tbk stock appears to be undervalued.
The current stock price of Rp1,860.00 is trading 27.4% below its estimated GF Value™ of Rp2,562.55.
GuruFocus considers PT Indosat Tbk to be Modestly Undervalued.
Key valuation signals for ISX:ISAT:
GF Score: 86 (near median its 10-year median of 79.00)
GF Value™: Rp2,562.55 vs. price of Rp1,860.00 (27.4% below fair value)
No single metric tells the full story. See the ISX:ISAT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
PT Indosat Tbk is the provider of international long-distance and wireless services in Indonesia. The company operates under three reportable segments: Cellular, Midi and Fixed Telecommunication segment. Cellular, providing network coverage in all cities across Indonesia; fixed telecommunications, which provides services such as international calls and fixed lines; and multimedia interactive, data and internet, which offers products such as fixed connectivity, IT service and fixed Internet. The Cellular segment provides majority of the company's revenue.
86GF Score
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