DO Market Cap History
Below is a table of the DO market cap history going back to 2/19/2010:

Date DO Market Cap
2/19/201012.39B
4/22/201011.88B
7/22/20108.66B
10/21/20109.54B
2/17/201110.56B
4/20/201110.62B
7/21/20119.76B
10/20/20118.58B
2/16/20128.90B
4/19/20129.53B
7/19/20129.14B
10/18/20129.93B
2/18/201310.39B
4/25/20139.58B
7/25/20139.63B
10/25/20138.52B
2/18/20146.53B
4/24/20147.09B
7/23/20146.86B
10/23/20145.43B
2/16/20154.83B
4/24/20154.09B
7/27/20152.95B
10/26/20152.70B
2/16/20162.38B
4/28/20163.33B
7/27/20163.01B
10/26/20162.39B
2/10/20172.38B
4/27/20171.99B
7/27/20171.65B
10/26/20172.16B
2/9/20182.04B
4/26/20182.65B
7/27/20182.62B
11/1/20181.95B
2/8/20191.37B
4/25/20191.61B
7/31/20191.24B

Also see: DO Shares Outstanding History
and DO YTD Return
DO Historical Market Cap:
-21.59% CAGR
DO Historical Market Cap: +-21.59% CAGR

Mouse over chart for data details
2/19/2010 ...7/31/2019
Diamond Offshore Drilling provides contract drilling services to the energy industry around the globe. Co.'s fleet enables it to provide services in the floater market on a worldwide basis. Co.'s contracts to provide offshore drilling services vary in their terms and provisions. The principal markets for Co.'s offshore contract drilling services are: the Gulf of Mexico, including the U.S., and Mexico; South America, principally offshore Brazil, and Trinidad and Tobago; Australia and Southeast Asia, including Malaysia, Indonesia, Myanmar and Vietnam; Europe, principally offshore the U.K., and Norway; East and West Africa; and the Mediterranean. We show 39 historical shares outstanding datapoints in our DO shares outstanding history coverage, used to compute DO market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing DO market cap history over the course of time is important for investors interested in comparing DO's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of DO versus a peer is one thing; comparing DO market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like DO can fluctuate over the course of history. With this page we aim to empower investors researching DO by allowing them to research the DO market cap history.
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Diamond Offshore Drilling (DO) is categorized under the Energy sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

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