PT Indosat Tbk (ISX:ISAT) Moat Score: 6/10 (As of Jul. 11, 2026)


ISX:ISAT PT Indosat Tbk ISX:ISAT
89 GF Score
Price Rp1,820.00
GF Value Rp2,561.54
Valuation Modestly Undervalued
! 2 Warning Signs
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What is PT Indosat Tbk Moat Score?

PT Indosat Tbk ISX:ISAT -3.19% 89 Moat Score is 6 as of Jul. 11, 2026. GuruFocus rates ISX:ISAT with a GF Score™ of 89/100 and a GF Value™ of Rp2,561.54 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 387 Telecommunication Services companies, PT Indosat Tbk ranks better than 95.35% on this metric.

PT Indosat Tbk has the Moat Score of 6, which implies that the company might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

PT Indosat Tbk has Narrow Moat: PT Indosat Tbk has a strong narrow moat due to its market leadership in telecommunications, significant customer switching costs, and regulatory barriers. However, it lacks the breadth of advantages needed for a wide moat.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes PT Indosat Tbk might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

PT Indosat Tbk  (ISX:ISAT) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

PT Indosat Tbk Moat Score Related Terms

ISX:ISAT vs TMUS, VZ, T: Moat Score Comparison

For the Telecom Services subindustry, PT Indosat Tbk's Moat Score, along with its competitors' market caps and Moat 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 Moat Score vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, PT Indosat Tbk's Moat Score distribution charts can be found below:

* The bar in red indicates where PT Indosat Tbk's Moat Score falls into.


ISX:ISAT
89GF Score
PT Indosat Tbk ISX:ISAT
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 6 mean?
PT Indosat Tbk (ISX:ISAT) has a Moat Score of 6 as of Jul. 11, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, PT Indosat Tbk ranks #18 out of 387 companies in the Telecommunication Services industry, placing it in the top 4.7%.
Is PT Indosat Tbk's Moat Score too high?
PT Indosat Tbk's current Moat Score is 6. Based on the distribution chart, PT Indosat Tbk ranks #18 out of 387 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, PT Indosat Tbk has a GF Score™ of 89/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does PT Indosat Tbk's Moat Score compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, PT Indosat Tbk ranks #18 out of 387 companies for Moat Score. This places PT Indosat Tbk in the top 5% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for a Telecommunication Services company?
A good Moat Score depends on the Telecommunication Services industry context. However, Moat 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 Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. PT Indosat Tbk's current Moat Score is 6. 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 Rp2,561.54, compared to a current price of Rp1,820.00 — trading 28.9% below its estimated fair value. The current Moat Score is 6. PT Indosat Tbk's overall GF Score™ is 89/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For PT Indosat Tbk (ISX:ISAT), the current Moat Score is 6 as of Jul. 11, 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 Rp1,820.00 is trading 28.9% below its estimated GF Value™ of Rp2,561.54. GuruFocus considers PT Indosat Tbk to be Modestly Undervalued.

Key valuation signals for ISX:ISAT:

  • Moat Score: 6
  • GF Value™: Rp2,561.54 vs. price of Rp1,820.00 (28.9% below fair value)
  • GF Score™: 89/100 with 2 warning signs

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 Business Description

Other Exchanges PTITF:USAIDO1:Germany
Address Jalan Medan Merdeka Barat No. 21, Gedung Indosat Ooredoo, Jakarta, IDN, 10110
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.
89GF Score

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Moat Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

Rp1,820.00
Price
Rp2,561.54
GF Value