Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). BP Castrol KK's share price for the quarter that ended in Dec. 2025 was 円925. BP Castrol KK's Shares Outstanding (EOP) for the quarter that ended in Dec. 2025 was 23 Mil. Therefore, BP Castrol KK's market cap for the quarter that ended in Dec. 2025 was 円21,236 Mil.
BP Castrol KK's quarterly market cap
increased
from Jun. 2025 (円19,124 Mil) to Sep. 2025 (円20,685 Mil) and
increased
from Sep. 2025 (円20,685 Mil) to Dec. 2025 (円21,236 Mil).
BP Castrol KK's annual market cap
increased
from Dec. 2023 (円19,951 Mil) to Dec. 2024 (円19,973 Mil) and
increased
from Dec. 2024 (円19,973 Mil) to Dec. 2025 (円21,236 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. BP Castrol KK's Enterprise Value for Today is 円22,324 Mil.
BP Castrol KK (TSE:5015) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
BP Castrol KK Market Cap Related Terms
BP Castrol KK Market Cap Historical Data
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The historical data trend for BP Castrol KK's Market Cap 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.
For the Oil & Gas Refining & Marketing subindustry, BP Castrol KK's Market Cap, along with its competitors' market caps and Market Cap 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.
BP Castrol KK Market Cap vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, BP Castrol KK's Market Cap distribution charts can be found below:
* The bar in red indicates where BP Castrol KK's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
BP Castrol KK's Market Cap for the fiscal year that ended in Dec. 2025 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.
BP Castrol KK (TSE:5015) has a Market Cap of 円22,613 Mil as of Jul. 02, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on BP Castrol KK and its competitors. According to the industry distribution chart, BP Castrol KK ranks #578 out of 1043 companies in the Oil & Gas industry, placing it in the top 55.4%.
Is BP Castrol KK's Market Cap too high?
BP Castrol KK's current Market Cap is 円22,613 Mil. Based on the distribution chart, BP Castrol KK ranks #578 out of 1043 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, BP Castrol KK has a GF Score™ of 80/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does BP Castrol KK's Market Cap compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, BP Castrol KK ranks #578 out of 1043 companies for Market Cap. This places BP Castrol KK in the lower half of its industry. The industry median Market Cap is 208.47. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Oil & Gas company?
The median Market Cap among Oil & Gas companies is 208.47, based on 1,043 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on BP Castrol KK and its competitors. For the Oil & Gas industry, the median Market Cap is 208.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BP Castrol KK's current Market Cap is 円22,613 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BP Castrol KK stock overvalued right now?
Based on GuruFocus' analysis, BP Castrol KK (TSE:5015) is currently considered Modestly Undervalued. The stock's GF Value™ is 円1,120.99, compared to a current price of 円985.00 — trading 12.1% below its estimated fair value. The current Market Cap is 円22,613 Mil. BP Castrol KK's overall GF Score™ is 80/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For BP Castrol KK (TSE:5015), the current Market Cap is 円22,613 Mil as of Jul. 02, 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 BP Castrol KK (TSE:5015) Overvalued in 2026?
Based on GuruFocus' analysis, BP Castrol KK stock appears to be undervalued.
The current stock price of 円985.00 is trading 12.1% below its estimated GF Value™ of 円1,120.99.
GuruFocus considers BP Castrol KK to be Modestly Undervalued.
Key valuation signals for TSE:5015:
Market Cap: 円22,613 Mil
GF Value™: 円1,120.99 vs. price of 円985.00 (12.1% below fair value)
No single metric tells the full story. See the TSE:5015 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
BP Castrol KK engages in the development, manufacture, import, and sale of automotive lubricating oil in Japan. The company sells its product under the brand name BP brand and the Castrol brand. The BP brand is divided into Vervis, Vervis sport, and mini. The Castrol brand is the top brand of lubricant. Both the brands are used for the consumer business and professional business.
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