Siamrajathanee PCL (BKK:SO) OCF Yield %: 24.57 (As of Jul. 01, 2026) — 168% Above Median


BKK:SO Siamrajathanee PCL BKK:SO
85 GF Score
Price ฿4.64
GF Value ฿5.68
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Siamrajathanee PCL OCF Yield %?

Siamrajathanee PCL BKK:SO 85 OCF Yield % is 24.57 as of Jul. 01, 2026, which is 168% above its 10-year median of 9.16. GuruFocus rates BKK:SO with a GF Score™ of 85/100 and a GF Value™ of ฿5.68 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 1,088 Business Services companies, Siamrajathanee PCL ranks better than 85.29% 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, Siamrajathanee PCL's Trailing 12-Month Cash Flow from Operations is ฿540 Mil, and Market Cap is ฿2,199 Mil. Therefore, Siamrajathanee PCL's OCF Yield % for today is 24.57%.

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

BKK:SO' s OCF Yield % Range Over the Past 10 Years
Min: 3.8   Med: 9.16   Max: 25.94
Current: 24.57


During the past 11 years, the highest OCF Yield % of Siamrajathanee PCL was 25.94%. The lowest was 3.80%. And the median was 9.16%.

BKK:SO's OCF Yield % is ranked better than
85.29% of 1088 companies
in the Business Services industry
Industry Median: 7.49 vs BKK:SO: 24.57

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


Siamrajathanee 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.


Siamrajathanee PCL OCF Yield % Related Terms


Siamrajathanee PCL OCF Yield % Historical Data

* Premium members only.

The historical data trend for Siamrajathanee 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.

Siamrajathanee PCL OCF Yield % Chart

Siamrajathanee PCL Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.13 6.10 10.83 15.63 25.43

Siamrajathanee 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 18.08 27.80 29.40 23.91 25.78

BKK:SO vs CTAS, CPRT, ULS: OCF Yield % Comparison

For the Specialty Business Services subindustry, Siamrajathanee 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.


Siamrajathanee PCL OCF Yield % vs Business Services Industry

For the Business Services industry and Industrials sector, Siamrajathanee PCL's OCF Yield % distribution charts can be found below:

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


BKK:SO
85GF Score
Siamrajathanee PCL BKK:SO
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Siamrajathanee 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.

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

OCF Yield %=Cash Flow from Operations / Market Cap
=489.109 / 1923.646
=25.43%

Siamrajathanee 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
=139.206 * 4 / 2160.21372
=25.78%

* 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 24.57 mean?
Siamrajathanee PCL (BKK:SO) has a OCF Yield % of 24.57 as of Jul. 01, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Siamrajathanee PCL and its competitors. This is 168% above median its historical median of 9.16. Over the past decade, Siamrajathanee PCL's OCF Yield % has ranged from 3.80 to 25.94. According to the industry distribution chart, Siamrajathanee PCL ranks #160 out of 1088 companies in the Business Services industry, placing it in the top 14.7%.
Is Siamrajathanee PCL's OCF Yield % too high?
Siamrajathanee PCL's current OCF Yield % of 24.57 is 168% above median its 10-year median of 9.16. Over the past 10 years, this metric has ranged from a low of 3.80 to a high of 25.94. The Business Services industry median OCF Yield % is 7.49. Siamrajathanee PCL's value of 24.57 is 228% above this industry median. Based on the distribution chart, Siamrajathanee PCL ranks #160 out of 1088 companies in the Business Services industry, which is in the top quartile — a strong position relative to peers. Overall, Siamrajathanee PCL has a GF Score™ of 85/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Siamrajathanee PCL's OCF Yield % compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Siamrajathanee PCL ranks #160 out of 1088 companies for OCF Yield %. This places Siamrajathanee PCL in the top 15% of its industry — outperforming the majority of peers. The industry median OCF Yield % is 7.49. Siamrajathanee PCL's value of 24.57 is 228% above this benchmark. Historically, Siamrajathanee PCL's own OCF Yield % has ranged from 3.80 to 25.94 over the past decade. While the company's 10-year median is 9.16 vs. the industry median of 7.49, Siamrajathanee PCL has consistently been above 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 OCF Yield % for a Business Services company?
The median OCF Yield % among Business Services companies is 7.49, based on 1,088 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. Siamrajathanee PCL's current OCF Yield % of 24.57 is 228% 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 Siamrajathanee PCL and its competitors. For the Business Services industry, the median OCF Yield % is 7.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Siamrajathanee PCL's current OCF Yield % is 24.57, which is 168% above median its own 10-year median of 9.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siamrajathanee PCL stock overvalued right now?
Based on GuruFocus' analysis, Siamrajathanee PCL (BKK:SO) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿5.68, compared to a current price of ฿4.64 — trading 18.3% below its estimated fair value. The current OCF Yield % is 24.57, which is 168% above median its 10-year median of 9.16 and 228% above the Business Services industry median of 7.49. Siamrajathanee PCL's overall GF Score™ is 85/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For Siamrajathanee PCL (BKK:SO), the current OCF Yield % is 24.57 as of Jul. 01, 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 Siamrajathanee PCL (BKK:SO) Overvalued in 2026?

Based on GuruFocus' analysis, Siamrajathanee PCL stock appears to be undervalued. The current stock price of ฿4.64 is trading 18.3% below its estimated GF Value™ of ฿5.68. GuruFocus considers Siamrajathanee PCL to be Modestly Undervalued.

Key valuation signals for BKK:SO:

  • OCF Yield %: 24.57 (168% above median its 10-year median of 9.16)
  • GF Value™: ฿5.68 vs. price of ฿4.64 (18.3% below fair value)
  • GF Score™: 85/100 with 5 warning signs
  • Industry Position: 228% above the Business Services median (#160 of 1088)

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


Siamrajathanee PCL Business Description

Address 329 Moo 10, Old Railway Road, Kusolsong Samakkee Soi 1, Samrong Subdistrict, Phra Pradaeng District, Samutprakarn, THA, 10130
Siamrajathanee PCL is an outsourcing services company in Thailand for both the government and private sectors. It is principally engaged in providing outsourcing services and vehicle operating lease services. The company, along with its subsidiaries, is organized into business units based on its products and services and has the following reportable segments: the Outsourcing service segment, the Rental service segment, and others. A majority of its revenue is generated from the Outsourcing service segment, which provides services like Workforce management, corporate car rental, landscape maintenance, and industrial waste disposal. Geographically, the group operates only in Thailand.
85GF Score

Get the complete analysis for BKK:SO

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

฿4.64
Price
฿5.68
GF Value