SPK (TSE:7466) Days Inventory: 68.86 (As of Mar. 2026) — 28% Above Median

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TSE:7466 SPK Corp TSE:7466
84 GF Score
Price 円1,340.00
GF Value 円1,269.62
Valuation Fairly Valued
! 5 Warning Signs
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What is SPK Days Inventory?

SPK TSE:7466 -0.74% 84 Days Inventory is 68.86 as of Mar. 2026, which is 28% above its 10-year median of 53.89. GuruFocus rates TSE:7466 with a GF Score™ of 84/100 and a GF Value™ of 円1,269.62 (Fairly Valued). The stock has 5 warning signs investors should review. Among 1,290 Vehicles & Parts companies, SPK ranks better than 59.53% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). SPK's Average Total Inventories for the six months ended in Mar. 2026 was 円11,844 Mil. SPK's Cost of Goods Sold for the six months ended in Mar. 2026 was 円31,387 Mil. Hence, SPK's Days Inventory for the six months ended in Mar. 2026 was 68.86.

The historical rank and industry rank for SPK's Days Inventory or its related term are showing as below:

TSE:7466' s Days Inventory Range Over the Past 10 Years
Min: 40.81   Med: 53.89   Max: 71.29
Current: 69.63

During the past 13 years, SPK's highest Days Inventory was 71.29. The lowest was 40.81. And the median was 53.89.

TSE:7466's Days Inventory is ranked better than
59.53% of 1290 companies
in the Vehicles & Parts industry
Industry Median: 80.33 vs TSE:7466: 69.63

SPK's Days Inventory increased from Mar. 2025 (67.32) to Mar. 2026 (68.86). It might indicate that SPK's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. SPK's Inventory Turnover for the six months ended in Mar. 2026 was 2.65.

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. SPK's Inventory-to-Revenue for the six months ended in Mar. 2026 was 0.31.


SPK  (TSE:7466) Days Inventory Explanation

Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:

1. Inventory Turnover measures how fast the company turns over its inventory within a year.

SPK's Inventory Turnover for the six months ended in Mar. 2026 is calculated as

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.

SPK's Inventory to Revenue for the six months ended in Mar. 2026 is calculated as

* 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

A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.


SPK Days Inventory Related Terms


SPK Days Inventory Historical Data

* Premium members only.

The historical data trend for SPK's Days Inventory 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.

SPK Days Inventory Chart

SPK Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 53.74 61.02 65.51 69.18 71.29

SPK Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Days Inventory 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 66.65 67.32 68.73 68.86

TSE:7466 vs ORLY, AZO: Days Inventory Comparison

For the Auto Parts subindustry, SPK's Days Inventory, along with its competitors' market caps and Days Inventory 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.


SPK Days Inventory vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, SPK's Days Inventory distribution charts can be found below:

* The bar in red indicates where SPK's Days Inventory falls into.


TSE:7466
84GF Score
SPK Corp TSE:7466
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

SPK Days Inventory Calculation

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

SPK's Days Inventory for the fiscal year that ended in Mar. 2026 is calculated as

Days Inventory (A: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Mar. 2025 ) + Total Inventories (A: Mar. 2026 )) / count ) / Cost of Goods Sold (A: Mar. 2026 )*Days in Period
=( (11114 + 12641) / 2 ) / 60809*365
=11877.5 / 60809*365
=71.29

SPK's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (11046 + 12641) / 2 ) / 31387*365 / 2
=11843.5 / 31387*365 / 2
=68.86

* 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 Days Inventory →
What does a Days Inventory of 68.86 mean?
SPK (TSE:7466) has a Days Inventory of 68.86 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SPK and its competitors. This is 28% above median its historical median of 53.89. Over the past decade, SPK's Days Inventory has ranged from 40.81 to 71.29. According to the industry distribution chart, SPK ranks #522 out of 1290 companies in the Vehicles & Parts industry, placing it in the top 40.5%.
Is SPK's Days Inventory too high?
SPK's current Days Inventory of 68.86 is 28% above median its 10-year median of 53.89. Over the past 10 years, this metric has ranged from a low of 40.81 to a high of 71.29. The Vehicles & Parts industry median Days Inventory is 80.33. SPK's value of 68.86 is 14.3% below this industry median. Based on the distribution chart, SPK ranks #522 out of 1290 companies in the Vehicles & Parts industry, which is above the industry midpoint. Overall, SPK has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does SPK's Days Inventory compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, SPK ranks #522 out of 1290 companies for Days Inventory. This puts SPK in the upper half of its industry. The industry median Days Inventory is 80.33. SPK's value of 68.86 is 14.3% below this benchmark. Historically, SPK's own Days Inventory has ranged from 40.81 to 71.29 over the past decade. While the company's 10-year median is 53.89 vs. the industry median of 80.33, SPK has consistently been below 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 Days Inventory for a Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.33, based on 1,290 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SPK's current Days Inventory of 68.86 is 14.3% below 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SPK and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SPK's current Days Inventory is 68.86, which is 28% above median its own 10-year median of 53.89. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SPK stock overvalued right now?
Based on GuruFocus' analysis, SPK (TSE:7466) is currently considered Fairly Valued. The stock's GF Value™ is 円1,269.62, compared to a current price of 円1,340.00 — trading 5.5% above its estimated fair value. The current Days Inventory is 68.86, which is 28% above median its 10-year median of 53.89 and 14.3% below the Vehicles & Parts industry median of 80.33. SPK's overall GF Score™ is 84/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For SPK (TSE:7466), the current Days Inventory is 68.86 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 SPK (TSE:7466) Overvalued in 2026?

Based on GuruFocus' analysis, SPK stock appears to be overvalued. The current stock price of 円1,340.00 is trading 5.5% above its estimated GF Value™ of 円1,269.62. GuruFocus considers SPK to be Fairly Valued.

Key valuation signals for TSE:7466:

  • Days Inventory: 68.86 (28% above median its 10-year median of 53.89)
  • GF Value™: 円1,269.62 vs. price of 円1,340.00 (5.5% above fair value)
  • GF Score™: 84/100 with 5 warning signs
  • Industry Position: 14.3% below the Vehicles & Parts median (#522 of 1290)

No single metric tells the full story. See the TSE:7466 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


SPK Business Description

Address 5-4 Fukushima 5-chome, Fukushima-ku, Osaka, JPN, 553-003
SPK Corp operates in the automotive industry. It manufactures and distributes automotive parts. The company's product profile includes engine, brake, bearing, cooling, electric, ignition, oil chemical, powertrain, motorsport, and others.
84GF Score

Get the complete analysis for TSE:7466

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

円1,340.00
Price
円1,269.62
GF Value