PT Indo Straits Tbk (ISX:PTIS) Cyclically Adjusted PB Ratio: 0.47 (As of Sep. 17, 2026) — Near Median

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ISX:PTIS PT Indo Straits Tbk ISX:PTIS
58 GF Score
Price Rp266.00
GF Value Rp325.15
Valuation Modestly Undervalued
! 3 Warning Signs
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What is PT Indo Straits Tbk Cyclically Adjusted PB Ratio?

PT Indo Straits Tbk ISX:PTIS +2.31% 58 Cyclically Adjusted PB Ratio is 0.47 as of Sep. 17, 2026, which is 9% above its 10-year median of 0.43. GuruFocus rates ISX:PTIS with a GF Score™ of 58/100 and a GF Value™ of Rp325.15 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 698 Transportation companies, PT Indo Straits Tbk ranks better than 86.53% on this metric.

As of today (2026-09-17), PT Indo Straits Tbk's current share price is Rp266.00. PT Indo Straits Tbk's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was Rp563.54. PT Indo Straits Tbk's Cyclically Adjusted PB Ratio for today is 0.47.

The historical rank and industry rank for PT Indo Straits Tbk's Cyclically Adjusted PB Ratio or its related term are showing as below:

ISX:PTIS' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.18   Med: 0.43   Max: 0.91
Current: 0.46

During the past years, PT Indo Straits Tbk's highest Cyclically Adjusted PB Ratio was 0.91. The lowest was 0.18. And the median was 0.43.

ISX:PTIS's Cyclically Adjusted PB Ratio is ranked better than
86.53% of 698 companies
in the Transportation industry
Industry Median: 1.27 vs ISX:PTIS: 0.46

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

PT Indo Straits Tbk's adjusted book value per share data for the three months ended in Jun. 2026 was Rp662.241. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is Rp563.54 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


PT Indo Straits Tbk  (ISX:PTIS) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


PT Indo Straits Tbk Cyclically Adjusted PB Ratio Related Terms


PT Indo Straits Tbk Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for PT Indo Straits Tbk's Cyclically Adjusted PB Ratio can be seen below:

* 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 Indo Straits Tbk Cyclically Adjusted PB Ratio Chart

PT Indo Straits Tbk Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.52 0.68 0.53 0.41 0.62

PT Indo Straits Tbk Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.66 0.72 0.60 0.53 0.49

PT Indo Straits Tbk Cyclically Adjusted PB Ratio Competitor Comparison

For the Marine Shipping subindustry, PT Indo Straits Tbk's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.


PT Indo Straits Tbk Cyclically Adjusted PB Ratio vs Transportation Industry

For the Transportation industry and Industrials sector, PT Indo Straits Tbk's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where PT Indo Straits Tbk's Cyclically Adjusted PB Ratio falls into.


ISX:PTIS
58GF Score
PT Indo Straits Tbk ISX:PTIS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PT Indo Straits Tbk Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

PT Indo Straits Tbk's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=266.00/563.541
=0.47

* 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 Indo Straits Tbk's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, PT Indo Straits Tbk's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=662.241/137.6954*137.6954
=662.241

Current CPI (Jun. 2026) = 137.6954.

PT Indo Straits Tbk Quarterly Data

Book Value per Share CPI Adj_Book
201609 545.775 104.142 721.615
201612 407.971 105.222 533.879
201703 386.874 106.476 500.308
201706 372.509 107.722 476.161
201709 363.977 108.020 463.968
201712 400.878 109.017 506.335
201803 405.485 110.097 507.132
201806 423.764 111.085 525.278
201809 442.041 111.135 547.688
201812 428.950 112.430 525.345
201903 425.600 112.829 519.400
201906 423.048 114.730 507.728
201909 425.289 114.905 509.643
201912 419.342 115.486 499.987
202003 493.237 116.252 584.216
202006 432.025 116.630 510.057
202009 450.120 116.397 532.485
202012 424.921 117.318 498.727
202103 439.533 117.840 513.593
202106 438.875 118.184 511.331
202109 434.272 118.262 505.635
202112 435.759 119.516 502.041
202203 441.350 120.948 502.462
202206 461.778 123.322 515.597
202209 476.287 125.298 523.411
202212 553.408 126.098 604.307
202303 565.765 126.953 613.641
202306 581.736 127.663 627.452
202309 571.153 128.151 613.689
202312 578.201 129.395 615.293
202403 609.037 130.607 642.091
202406 633.122 130.792 666.541
202409 579.744 130.361 612.362
202412 609.049 131.432 638.076
202503 626.962 131.948 654.269
202506 615.005 133.241 635.567
202509 631.415 133.819 649.706
202512 616.789 135.271 627.843
202603 629.205 136.539 634.535
202606 662.241 137.695 662.241

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 0.47 mean?
PT Indo Straits Tbk (ISX:PTIS) has a Cyclically Adjusted PB Ratio of 0.47 as of Sep. 17, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on PT Indo Straits Tbk and its competitors. This is near median its historical median of 0.43. Over the past decade, PT Indo Straits Tbk's Cyclically Adjusted PB Ratio has ranged from 0.18 to 0.91. According to the industry distribution chart, PT Indo Straits Tbk ranks #94 out of 698 companies in the Transportation industry, placing it in the top 13.5%.
Is PT Indo Straits Tbk's Cyclically Adjusted PB Ratio too high?
PT Indo Straits Tbk's current Cyclically Adjusted PB Ratio of 0.47 is near median its 10-year median of 0.43. Over the past 10 years, this metric has ranged from a low of 0.18 to a high of 0.91. The Transportation industry median Cyclically Adjusted PB Ratio is 1.27. PT Indo Straits Tbk's value of 0.47 is 63% below this industry median. Based on the distribution chart, PT Indo Straits Tbk ranks #94 out of 698 companies in the Transportation industry, which is in the top quartile — a strong position relative to peers. Overall, PT Indo Straits Tbk has a GF Score™ of 58/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does PT Indo Straits Tbk's Cyclically Adjusted PB Ratio compare to competitors?
According to the Transportation industry distribution chart, PT Indo Straits Tbk ranks #94 out of 698 companies for Cyclically Adjusted PB Ratio. This places PT Indo Straits Tbk in the top 14% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.27. PT Indo Straits Tbk's value of 0.47 is 63% below this benchmark. Historically, PT Indo Straits Tbk's own Cyclically Adjusted PB Ratio has ranged from 0.18 to 0.91 over the past decade. While the company's 10-year median is 0.43 vs. the industry median of 1.27, PT Indo Straits Tbk has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Transportation company?
The median Cyclically Adjusted PB Ratio among Transportation companies is 1.27, based on 698 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. PT Indo Straits Tbk's current Cyclically Adjusted PB Ratio of 0.47 is 63% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on PT Indo Straits Tbk and its competitors. For the Transportation industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PT Indo Straits Tbk's current Cyclically Adjusted PB Ratio is 0.47, which is near median its own 10-year median of 0.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PT Indo Straits Tbk stock overvalued right now?
Based on GuruFocus' analysis, PT Indo Straits Tbk (ISX:PTIS) is currently considered Modestly Undervalued. The stock's GF Value™ is Rp325.15, compared to a current price of Rp266.00 — trading 18.2% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.47, which is near median its 10-year median of 0.43 and 63% below the Transportation industry median of 1.27. PT Indo Straits Tbk's overall GF Score™ is 58/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For PT Indo Straits Tbk (ISX:PTIS), the current Cyclically Adjusted PB Ratio is 0.47 as of Sep. 17, 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 Indo Straits Tbk (ISX:PTIS) Overvalued in 2026?

Based on GuruFocus' analysis, PT Indo Straits Tbk stock appears to be undervalued. The current stock price of Rp266.00 is trading 18.2% below its estimated GF Value™ of Rp325.15. GuruFocus considers PT Indo Straits Tbk to be Modestly Undervalued.

Key valuation signals for ISX:PTIS:

  • Cyclically Adjusted PB Ratio: 0.47 (near median its 10-year median of 0.43)
  • GF Value™: Rp325.15 vs. price of Rp266.00 (18.2% below fair value)
  • GF Score™: 58/100 with 3 warning signs
  • Industry Position: 63% below the Transportation median (#94 of 698)

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


PT Indo Straits Tbk Business Description

Address Jalan Yos Sudarso Kav.88, Graha Kirana Building, 15th Floor, Suite 1501, Jakarta, IDN, 14350
PT Indo Straits Tbk is an Indonesian-based firm. The company with its subsidiaries engaged in providing marine engineering solutions and related services. It operates in three segments namely; the Integrated Marine Engineering service segment which covers dredging, reclamation, port construction, installation of the pile, wave breaker, and coastal protection; Logistics Support service segment includes transshipment and sea transportation services; and Mining contractor Services segment providing mining, excavating, hauling, and contracting services. It generates the majority of its revenue from the Mining contractor Services segment.
58GF Score

Get the complete analysis for ISX:PTIS

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

Rp266.00
Price
Rp325.15
GF Value