STMNF (Sumitomo Metal Mining Co) OCF Yield %: 4.40 (As of Jun. 25, 2026) — 58% Below Median


STMNF Sumitomo Metal Mining Co Ltd STMNF
78 GF Score
Price $48.99
GF Value $39.25
Valuation Modestly Overvalued
! 6 Warning Signs
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What is Sumitomo Metal Mining Co OCF Yield %?

Sumitomo Metal Mining Co STMNF 78 OCF Yield % is 4.40 as of Jun. 25, 2026, which is 58% below its 10-year median of 10.51. GuruFocus rates STMNF with a GF Score™ of 78/100 and a GF Value™ of $39.25 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 2,670 Metals & Mining companies, Sumitomo Metal Mining Co ranks better than 85.28% 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, Sumitomo Metal Mining Co's Trailing 12-Month Cash Flow from Operations is $666 Mil, and Market Cap is $13,224 Mil. Therefore, Sumitomo Metal Mining Co's OCF Yield % for today is 4.40%.

The historical rank and industry rank for Sumitomo Metal Mining Co's OCF Yield % or its related term are showing as below:

STMNF' s OCF Yield % Range Over the Past 10 Years
Min: 1.68   Med: 10.51   Max: 23.02
Current: 4.4


During the past 13 years, the highest OCF Yield % of Sumitomo Metal Mining Co was 23.02%. The lowest was 1.68%. And the median was 10.51%.

STMNF's OCF Yield % is ranked better than
85.28% of 2670 companies
in the Metals & Mining industry
Industry Median: -4.17 vs STMNF: 4.40

Sumitomo Metal Mining Co's OCF Margin % for the quarter that ended in Mar. 2026 was %.


Sumitomo Metal Mining Co 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.


Sumitomo Metal Mining Co OCF Yield % Related Terms


Sumitomo Metal Mining Co OCF Yield % Historical Data

* Premium members only.

The historical data trend for Sumitomo Metal Mining Co'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.

Sumitomo Metal Mining Co OCF Yield % Chart

Sumitomo Metal Mining Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
OCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 9.38 8.58 19.00 15.12 3.74

Sumitomo Metal Mining Co 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 33.35 -0.33 18.28 10.06 2.35

Sumitomo Metal Mining Co OCF Yield % Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Sumitomo Metal Mining Co'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.


Sumitomo Metal Mining Co OCF Yield % vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Sumitomo Metal Mining Co's OCF Yield % distribution charts can be found below:

* The bar in red indicates where Sumitomo Metal Mining Co's OCF Yield % falls into.


STMNF
78GF Score
Sumitomo Metal Mining Co Ltd STMNF
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Sumitomo Metal Mining Co 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.

Sumitomo Metal Mining Co's OCF Yield % for the fiscal year that ended in Mar. 2026 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=641.595 / 17139.3425
=3.74%

Sumitomo Metal Mining Co'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
=100.572 * 4 / 17139.3425
=2.35%

* 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 4.40 mean?
Sumitomo Metal Mining Co (STMNF) has a OCF Yield % of 4.40 as of Jun. 25, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Sumitomo Metal Mining Co and its competitors. This is 58% below median its historical median of 10.51. Over the past decade, Sumitomo Metal Mining Co's OCF Yield % has ranged from 1.68 to 23.02. According to the industry distribution chart, Sumitomo Metal Mining Co ranks #393 out of 2670 companies in the Metals & Mining industry, placing it in the top 14.7%.
Is Sumitomo Metal Mining Co's OCF Yield % too high?
Sumitomo Metal Mining Co's current OCF Yield % of 4.40 is 58% below median its 10-year median of 10.51. Over the past 10 years, this metric has ranged from a low of 1.68 to a high of 23.02. Based on the distribution chart, Sumitomo Metal Mining Co ranks #393 out of 2670 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Sumitomo Metal Mining Co has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sumitomo Metal Mining Co's OCF Yield % compare to competitors?
According to the Metals & Mining industry distribution chart, Sumitomo Metal Mining Co ranks #393 out of 2670 companies for OCF Yield %. This places Sumitomo Metal Mining Co in the top 15% of its industry — outperforming the majority of peers. Historically, Sumitomo Metal Mining Co's own OCF Yield % has ranged from 1.68 to 23.02 over the past decade. 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 Metals & Mining company?
A good OCF Yield % depends on the Metals & Mining industry context. However, OCF Yield % 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 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 Sumitomo Metal Mining Co and its competitors. Sumitomo Metal Mining Co's current OCF Yield % is 4.40, which is 58% below median its own 10-year median of 10.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sumitomo Metal Mining Co stock overvalued right now?
Based on GuruFocus' analysis, Sumitomo Metal Mining Co (STMNF) is currently considered Modestly Overvalued. The stock's GF Value™ is $39.25, compared to a current price of $48.99 — trading 24.8% above its estimated fair value. The current OCF Yield % is 4.40, which is 58% below median its 10-year median of 10.51. Sumitomo Metal Mining Co's overall GF Score™ is 78/100 with 6 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 Sumitomo Metal Mining Co (STMNF), the current OCF Yield % is 4.40 as of Jun. 25, 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 Sumitomo Metal Mining Co (STMNF) Overvalued in 2026?

Based on GuruFocus' analysis, Sumitomo Metal Mining Co stock appears to be overvalued. The current stock price of $48.99 is trading 24.8% above its estimated GF Value™ of $39.25. GuruFocus considers Sumitomo Metal Mining Co to be Modestly Overvalued.

Key valuation signals for STMNF:

  • OCF Yield %: 4.40 (58% below median its 10-year median of 10.51)
  • GF Value™: $39.25 vs. price of $48.99 (24.8% above fair value)
  • GF Score™: 78/100 with 6 warning signs

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


Sumitomo Metal Mining Co Business Description

Address 5-11-3 Shinbashi, Shinbashi Sumitomo Building, Minato-ku, Tokyo, JPN, 105-8716
Sumitomo Metal Mining Co Ltd is a Japan-based company engaged in the mining business. The company operates through three segments. The Material segment manufactures and sells battery materials, powder and crystalline materials, tape materials, catalysts, and related products. The Resource segment focuses on the exploration, development, production, and sale of nonferrous metal resources in Japan and overseas. The Smelting segment engages in the smelting and sale of copper, nickel, ferronickel, zinc, and precious metals, including gold, silver, platinum, and palladium. The Others segment covers real estate and engineering businesses. It generates the majority of its revenue from the Smelting segment.
78GF Score

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

$48.99
Price
$39.25
GF Value