Right Tunnelling PCL (BKK:RT) OCF Yield %: 172.53 (As of Jun. 29, 2026)


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

Right Tunnelling PCL BKK:RT 50 OCF Yield % is 172.53 as of Jun. 29, 2026. GuruFocus rates BKK:RT with a GF Score™ of 50/100 and a GF Value™ of ฿0.40 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,782 Construction companies, Right Tunnelling PCL ranks better than 98.99% on this metric.

OCF Yield % is calculated as Cash Flow from Operations divided by Market Capitalization. It is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

As of today, Right Tunnelling PCL's Trailing 12-Month Cash Flow from Operations is ฿739 Mil, and Market Cap is ฿428 Mil. Therefore, Right Tunnelling PCL's OCF Yield % for today is 172.53%.

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

BKK:RT' s OCF Yield % Range Over the Past 10 Years
Min: -44.81   Med: -6.67   Max: 195.1
Current: 172.53


During the past 8 years, the highest OCF Yield % of Right Tunnelling PCL was 195.10%. The lowest was -44.81%. And the median was -6.67%.

BKK:RT's OCF Yield % is ranked better than
98.99% of 1782 companies
in the Construction industry
Industry Median: 5.765 vs BKK:RT: 172.53

Right Tunnelling PCL's OCF Margin % for the quarter that ended in Mar. 2026 was %.


Right Tunnelling PCL OCF Yield % Explanation

Similar to Earnings Yield %, OCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high operating cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


Right Tunnelling PCL OCF Yield % Related Terms


Right Tunnelling PCL OCF Yield % Historical Data

* Premium members only.

The historical data trend for Right Tunnelling PCL's OCF Yield % 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 Yield % Chart

Right Tunnelling PCL Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Yield %
Get a 7-Day Free Trial -6.87 -12.41 -37.65 -0.70 134.31

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 Yield % 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 -65.94 74.30 172.87 356.03 130.72

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

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

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

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


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

OCF Yield % is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

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

OCF Yield %=Cash Flow from Operations / Market Cap
=535.741 / 398.88612
=134.31%

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

OCF Yield %=Cash Flow from Operations * Annualized Factor / Market Cap
=130.358 * 4 / 398.88612
=130.72%

* 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 Yield % →
What does a OCF Yield % of 172.53 mean?
Right Tunnelling PCL (BKK:RT) has a OCF Yield % of 172.53 as of Jun. 29, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Right Tunnelling PCL and its competitors. According to the industry distribution chart, Right Tunnelling PCL ranks #18 out of 1782 companies in the Construction industry, placing it in the top 1%.
Is Right Tunnelling PCL's OCF Yield % too high?
Right Tunnelling PCL's current OCF Yield % is 172.53. The Construction industry median OCF Yield % is 5.77. Right Tunnelling PCL's value of 172.53 is 2892.7% above this industry median. Based on the distribution chart, Right Tunnelling PCL ranks #18 out of 1782 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 Yield % compare to PWR and FIX?
According to the Construction industry distribution chart, Right Tunnelling PCL ranks #18 out of 1782 companies for OCF Yield %. This places Right Tunnelling PCL in the top 1% of its industry — outperforming the majority of peers. The industry median OCF Yield % is 5.77. Right Tunnelling PCL's value of 172.53 is 2892.7% 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 Yield % for a Construction company?
The median OCF Yield % among Construction companies is 5.77, based on 1,782 companies in the industry. Companies in the top quartile (top 25%) have a OCF Yield % significantly above this median, while those in the bottom quartile fall well below. However, OCF Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Right Tunnelling PCL's current OCF Yield % of 172.53 is 2892.7% 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 Yield % mean?
A high OCF Yield % can signal that a stock is expensive relative to its fundamentals. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Right Tunnelling PCL and its competitors. For the Construction industry, the median OCF Yield % is 5.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Right Tunnelling PCL's current OCF Yield % is 172.53. 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 Yield % is 172.53 and 2892.7% above the Construction industry median of 5.77. Right Tunnelling PCL's overall GF Score™ is 50/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For Right Tunnelling PCL (BKK:RT), the current OCF Yield % is 172.53 as of Jun. 29, 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 Yield %: 172.53
  • GF Value™: ฿0.40 vs. price of ฿0.29 (27.5% below fair value)
  • GF Score™: 50/100 with 4 warning signs
  • Industry Position: 2892.7% above the Construction median (#18 of 1782)

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

฿0.29
Price
฿0.40
GF Value