STMNF (Sumitomo Metal Mining Co) Inventory Turnover: 0.55 (As of Mar. 2026)

What is Sumitomo Metal Mining Co Inventory Turnover?

Sumitomo Metal Mining Co STMNF 75 Inventory Turnover is 0.55 as of Mar. 2026. GuruFocus rates STMNF with a GF Score™ of 75/100 and a GF Value™ of $35.20 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Inventory Turnover measures how fast the company turns over its inventory within a year. It is calculated as Cost of Goods Sold divided by Total Inventories. Sumitomo Metal Mining Co's Cost of Goods Sold for the three months ended in Mar. 2026 was $2,447 Mil. Sumitomo Metal Mining Co's Average Total Inventories for the quarter that ended in Mar. 2026 was $4,420 Mil. Sumitomo Metal Mining Co's Inventory Turnover for the quarter that ended in Mar. 2026 was 0.55.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Sumitomo Metal Mining Co's Days Inventory for the three months ended in Mar. 2026 was 164.80.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Sumitomo Metal Mining Co's Inventory-to-Revenue for the quarter that ended in Mar. 2026 was 1.43.

Sumitomo Metal Mining Co (OTCPK:STMNF) Inventory Turnover Explanation

Inventory Turnover measures how fast the company turns over its inventory within a year. A higher Inventory Turnover means the company has light inventory. Therefore the company spends less money on storage, write downs, and obsolete inventory. If the inventory is too light, it may affect sales because the company may not have enough to meet demand.

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Sumitomo Metal Mining Co's Days Inventory for the three months ended in Mar. 2026 is calculated as:

Days Inventory	=	Average Total Inventories (Q: Mar. 2026 )	/	Cost of Goods Sold (Q: Mar. 2026 )	*	Days in Period
	=	4419.558	/	2447.141	*	365 / 4
	=	164.80

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Sumitomo Metal Mining Co's Inventory to Revenue for the quarter that ended in Mar. 2026 is calculated as

Inventory-to-Revenue	=	Average Total Inventories (Q: Mar. 2026 )	/	Revenue (Q: Mar. 2026 )
	=	4419.558	/	3093.374
	=	1.43

* 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.

Be Aware

Usually retailers pile up their inventories at holiday seasons to meet the stronger demand. Therefore, the inventory of a particular quarter of a year should not be used to calculate Inventory Turnover. An average inventory is a better indication.

Sumitomo Metal Mining Co Inventory Turnover Related Terms

Sumitomo Metal Mining Co Inventory Turnover Historical Data

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The historical data trend for Sumitomo Metal Mining Co's Inventory Turnover can be seen below:

Sumitomo Metal Mining Co Inventory Turnover Chart

Sumitomo Metal Mining Co Annual Data

Trend

Mar17

Mar18

Mar19

Mar20

Mar21

Mar22

Mar23

Mar24

Mar25

Mar26

Inventory Turnover

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2.59

2.28

2.25

2.84

2.18

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
Inventory Turnover	Get a 7-Day Free Trial															0.75	0.60	0.59	0.60	0.55

75GF Score

Sumitomo Metal Mining Co Ltd STMNF

Inventory Turnover is just one metric. See GF Score™, valuation, warning signs, and more.

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Sumitomo Metal Mining Co Inventory Turnover Calculation

Sumitomo Metal Mining Co's Inventory Turnover for the fiscal year that ended in Mar. 2026 is calculated as

	Inventory Turnover (A: Mar. 2026 )
=	Cost of Goods Sold	/	Average Total Inventories
=	Cost of Goods Sold (A: Mar. 2026 )	/ (	(Total Inventories (A: Mar. 2025 )	+	Total Inventories (A: Mar. 2026 ))	/	count )
=	9245.387	/ (	(3809.266	+	4666.381)	/	2 )
=	9245.387	/	4237.8235
=	2.18

Sumitomo Metal Mining Co's Inventory Turnover for the quarter that ended in Mar. 2026 is calculated as

	Inventory Turnover (Q: Mar. 2026 )
=	Cost of Goods Sold	/	Average Total Inventories
=	Cost of Goods Sold (Q: Mar. 2026 )	/ (	(Total Inventories (Q: Dec. 2025 )	+	Total Inventories (Q: Mar. 2026 ))	/	count )
=	2447.141	/ (	(4172.735	+	4666.381)	/	2 )
=	2447.141	/	4419.558
=	0.55

Frequently Asked Questions Learn more about Inventory Turnover →

What does a Inventory Turnover of 0.55 mean?

Sumitomo Metal Mining Co (STMNF) has a Inventory Turnover of 0.55 as of Mar. 2026. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Sumitomo Metal Mining Co and its competitors.

Is Sumitomo Metal Mining Co's Inventory Turnover too high?

Sumitomo Metal Mining Co's current Inventory Turnover is 0.55. Overall, Sumitomo Metal Mining Co has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.

How does Sumitomo Metal Mining Co's Inventory Turnover compare to competitors?

Sumitomo Metal Mining Co's Inventory Turnover of 0.55 can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.

What is a good Inventory Turnover for a Metals & Mining company?

A good Inventory Turnover depends on the Metals & Mining industry context. However, Inventory Turnover 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 Inventory Turnover mean?

A high Inventory Turnover can signal that a stock is expensive relative to its fundamentals. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Sumitomo Metal Mining Co and its competitors. Sumitomo Metal Mining Co's current Inventory Turnover is 0.55. 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 Significantly Overvalued. The stock's GF Value™ is $35.20, compared to a current price of $48.99 — trading 39.2% above its estimated fair value. The current Inventory Turnover is 0.55. Sumitomo Metal Mining Co's overall GF Score™ is 75/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.

How is Inventory Turnover calculated?

Inventory Turnover is calculated from a company's financial statements. For Sumitomo Metal Mining Co (STMNF), the current Inventory Turnover is 0.55 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 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 39.2% above its estimated GF Value™ of $35.20. GuruFocus considers Sumitomo Metal Mining Co to be Significantly Overvalued.

Key valuation signals for STMNF:

Inventory Turnover: 0.55
GF Value™: $35.20 vs. price of $48.99 (39.2% above fair value)
GF Score™: 75/100 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

Industry Basic Materials Metals & Mining

Comparable Companies TSE:5711 TSE:5714 TSE:5727 TSE:5715 TSE:5726 TSE:3036 TSE:5541 TSE:3168 TSE:3023 TSE:5707 ASX:BHP ASX:RIO LSE:RIO MEX:GMEXICOB LSE:GLEN BSP:VALE3 SAU:1211 LSE:AAL HKSE:03993 ASX:FMG

Other Exchanges SMMYY:USA 5713:Japan S19:Germany

Address 5-11-3 Shinbashi, Shinbashi Sumitomo Building, Minato-ku, Tokyo, JPN, 105-8716

Website https://www.smm.co.jp

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.

75GF Score

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

$48.99

Price

$35.20

GF Value

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