Split History
AMR split history picture
AMR (AMR) has 1 split in our AMR split history database. The split for AMR took place on June 10, 1998. This was a 2 for 1 split, meaning for each share of AMR owned pre-split, the shareholder now owned 2 shares. For example, a 1000 share position pre-split, became a 2000 share position following the split.

When a company such as AMR splits its shares, the market capitalization before and after the split takes place remains stable, meaning the shareholder now owns more shares but each are valued at a lower price per share. Often, however, a lower priced stock on a per-share basis can attract a wider range of buyers. If that increased demand causes the share price to appreciate, then the total market capitalization rises post-split. This does not always happen, however, often depending on the underlying fundamentals of the business.

Looking at the AMR split history from start to finish, an original position size of 1000 shares would have turned into 2000 today. Below, we examine the compound annual growth rate — CAGR for short — of an investment into AMR shares, starting with a $10,000 purchase of AMR, presented on a split-history-adjusted basis factoring in the complete AMR split history. AMR split adjusted history picture

Growth of $10,000.00
Without Dividends Reinvested

Start date: 05/01/2017
End date: 09/23/2019
Start price/share: $9.82
End price/share: $0.08
Dividends collected/share: $0.00
Total return: -99.19%
Average Annual Total Return: -86.55%
Starting investment: $10,000.00
Ending investment: $81.53
Years: 2.40
Alta Mesa Resources is an independent exploration and production company focused on the acquisition, development, exploration and exploitation of unconventional onshore oil and natural gas reserves in the eastern portion of the Anadarko Basin. Co. operates in two reportable business segments: Upstream and Midstream. Co.'s subsidiary, Alta Mesa Holdings, LP conducts its Upstream activities and owns its proved and unproved oil and gas properties located in an area of the Anadarko Basin. Co. also operates in the Midstream segment through its subsidairy, Kingfisher Midstream, LLC, which has a gas and oil gathering network, a cryogenic gas processing plant with offtake capacity and among others. According to our AMR split history records, AMR has had 1 split.
Date Ratio
06/10/19982 for 1
AMR is categorized under the Energy sector; below are some other companies in the same sector that also have a history of stock splits:

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ATLS Split History
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AZA Split History

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