Right Tunnelling PCL (BKK:RT) OCF Margin %: 14.15% (As of Mar. 2026)


BKK:RT Right Tunnelling PCL BKK:RT
50 GF Score
Price ฿0.29
GF Value ฿0.40
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Right Tunnelling PCL OCF Margin %?

Right Tunnelling PCL BKK:RT 50 OCF Margin % is 14.15% as of Mar. 2026. GuruFocus rates BKK:RT with a GF Score™ of 50/100 and a GF Value™ of ฿0.40 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 1,772 Construction companies, Right Tunnelling PCL ranks better than 86% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Right Tunnelling PCL's Cash Flow from Operations for the three months ended in Mar. 2026 was ฿130 Mil. Right Tunnelling PCL's Revenue for the three months ended in Mar. 2026 was ฿921 Mil. Therefore, Right Tunnelling PCL's OCF Margin % for the quarter that ended in Mar. 2026 was 14.15%.

As of today, Right Tunnelling PCL's current OCF Yield % is 166.78%.

The historical rank and industry rank for Right Tunnelling PCL's OCF Margin % or its related term are showing as below:

BKK:RT' s OCF Margin % Range Over the Past 10 Years
Min: -10.32   Med: -2.29   Max: 15.41
Current: 19.97


During the past 8 years, the highest OCF Margin % of Right Tunnelling PCL was 15.41%. The lowest was -10.32%. And the median was -2.29%.

BKK:RT's OCF Margin % is ranked better than
86% of 1772 companies
in the Construction industry
Industry Median: 5.94 vs BKK:RT: 19.97


Right Tunnelling PCL OCF Margin % Related Terms


Right Tunnelling PCL OCF Margin % Historical Data

* Premium members only.

The historical data trend for Right Tunnelling PCL's OCF Margin % 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.

Right Tunnelling PCL OCF Margin % Chart

Right Tunnelling PCL Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial -6.54 -9.30 -10.32 -0.11 15.41

Right Tunnelling PCL Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
OCF Margin % 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 -10.50 8.04 18.65 38.01 14.15

BKK:RT vs PWR, FIX, EME: OCF Margin % Comparison

For the Engineering & Construction subindustry, Right Tunnelling PCL's OCF Margin %, along with its competitors' market caps and OCF Margin % 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.


Right Tunnelling PCL OCF Margin % vs Construction Industry

For the Construction industry and Industrials sector, Right Tunnelling PCL's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Right Tunnelling PCL's OCF Margin % falls into.


BKK:RT
50GF Score
Right Tunnelling PCL BKK:RT
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Right Tunnelling PCL OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Right Tunnelling PCL's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=535.741/3476.214
=15.41 %

Right Tunnelling PCL's OCF Margin for the quarter that ended in Mar. 2026 is calculated as

OCF Margin=Cash Flow from Operations (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=130.358/921.367
=14.15 %

* 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.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of 14.15% mean?
Right Tunnelling PCL (BKK:RT) has a OCF Margin % of 14.15% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Right Tunnelling PCL and its competitors. According to the industry distribution chart, Right Tunnelling PCL ranks #248 out of 1772 companies in the Construction industry, placing it in the top 14%.
Is Right Tunnelling PCL's OCF Margin % too high?
Right Tunnelling PCL's current OCF Margin % is 14.15%. The Construction industry median OCF Margin % is 5.94. Right Tunnelling PCL's value of 14.15% is 138.2% above this industry median. Based on the distribution chart, Right Tunnelling PCL ranks #248 out of 1772 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Right Tunnelling PCL has a GF Score™ of 50/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Right Tunnelling PCL's OCF Margin % compare to PWR and FIX?
According to the Construction industry distribution chart, Right Tunnelling PCL ranks #248 out of 1772 companies for OCF Margin %. This places Right Tunnelling PCL in the top 14% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 5.94. Right Tunnelling PCL's value of 14.15% is 138.2% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Construction company?
The median OCF Margin % among Construction companies is 5.94, based on 1,772 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Right Tunnelling PCL's current OCF Margin % of 14.15% is 138.2% above 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Right Tunnelling PCL and its competitors. For the Construction industry, the median OCF Margin % is 5.94 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Right Tunnelling PCL's current OCF Margin % is 14.15%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Right Tunnelling PCL stock overvalued right now?
Based on GuruFocus' analysis, Right Tunnelling PCL (BKK:RT) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿0.40, compared to a current price of ฿0.29 — trading 27.5% below its estimated fair value. The current OCF Margin % is 14.15% and 138.2% above the Construction industry median of 5.94. Right Tunnelling PCL's overall GF Score™ is 50/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Right Tunnelling PCL (BKK:RT), the current OCF Margin % is 14.15% as of Mar. 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 Right Tunnelling PCL (BKK:RT) Overvalued in 2026?

Based on GuruFocus' analysis, Right Tunnelling PCL stock appears to be undervalued. The current stock price of ฿0.29 is trading 27.5% below its estimated GF Value™ of ฿0.40. GuruFocus considers Right Tunnelling PCL to be Modestly Undervalued.

Key valuation signals for BKK:RT:

  • OCF Margin %: 14.15%
  • GF Value™: ฿0.40 vs. price of ฿0.29 (27.5% below fair value)
  • GF Score™: 50/100 with 5 warning signs
  • Industry Position: 138.2% above the Construction median (#248 of 1772)

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


Right Tunnelling PCL Business Description

Address 292 Moo 4, Bangna-Trad (KM 26) Road, Bangbor Subdistrict, Bangbor District, Samut Prakan, THA, 10560
Right Tunnelling PCL is a civil engineering service provider. It specializes in geology and special techniques such as tunnel construction, rock drilling, rock blasting, mining construction, soil boring tests, and concrete structures. The clients of the company include both the public and private sectors. The company offers services related to tunnel and shaft construction, dam construction, hydropower plant construction, and pipe jacking projects. The company operates in two geographic segments of Thailand and overseas (Myanmar, The Lao People's Democratic Republic, and Cambodia). Geographically, it derives a majority of its revenue from Thailand.
50GF Score

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

฿0.29
Price
฿0.40
GF Value