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Dawson Geophysical Co

DWSN · Oil & Gas · NASDAQ · in our data April 23, 1981 to February 11, 2015 (33.8 years)

The first trading day in our data for Dawson Geophysical Co is April 23, 1981 (its first day in our records, which may be later than its listing and is not its founding). At its peak, on September 21, 2007, the market valued it at $652 million. It left the market when it was bought or merged, last trading at $10.23, -87.9% from its split-adjusted high. Holders got whatever the deal paid, which is not in our price data.

1981-042015-02
Peak market value$652 millionSeptember 21, 2007
Highest split-adjusted share price$84.29September 21, 2007
Last share price$10.23February 11, 2015
From its split-adjusted high to the end-87.9%
Return over the days in our data-27.8%with dividends, before the last trade
Worst single day-17.0%September 30, 1998

Share prices are adjusted for splits and other share changes, so the high and the last price compare like for like; the peak market value is as it was on the day. The return covers the trading days in our data only: it does not include what holders received, or lost, after the last trade (a merger payout, a bankruptcy), and it does not reach back before 1981. How these numbers are made · Report a data issue.

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Also gone in 2015: Oil & Gas