IO Market Cap History
Below is a table of the IO market cap history going back to 2/5/2016:

Date IO Market Cap
2/5/201665.62M
5/4/2016108.96M
7/25/201662.11M
10/25/201673.66M
2/6/201763.68M
5/1/201750.10M
7/31/201742.19M
10/31/201792.79M
2/6/2018245.85M
5/1/2018401.98M
7/30/2018364.78M
10/29/2018160.89M
2/4/2019135.11M
4/29/2019191.91M
7/29/2019129.87M
10/28/2019113.19M
2/3/202077.95M
5/4/202027.22M
8/3/202041.87M
11/2/202022.64M
2/8/202147.19M
4/30/202163.96M
5/3/202162.81M
8/9/202141.49M

Also see: IO Shares Outstanding History
and IO YTD Return
IO Historical Market Cap:
-7.98% CAGR
IO Historical Market Cap: +-7.98% CAGR

Mouse over chart for data details
2/5/2016 ...8/9/2021
ION Geophysical is a technology company that delivers data-driven decision-making offerings to the offshore energy and ports and harbors market. Co. provides its services and products through two business segments: Exploration and Production (E&P) Technology and Services and Operations Optimization. Co.'s E&P Technology and Services segment creates digital data assets and delivers services to help E&P companies improve decision-making. Co.'s Operations Optimization segment develops subscription offerings and provides engineering services that enable operational control and optimization offshore. We show 24 historical shares outstanding datapoints in our IO shares outstanding history coverage, used to compute IO market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing IO market cap history over the course of time is important for investors interested in comparing IO'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 IO versus a peer is one thing; comparing IO 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 IO can fluctuate over the course of history. With this page we aim to empower investors researching IO by allowing them to research the IO market cap history.
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ION Geophysical (IO) 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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