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Diamond Offshore Drilling

DO · Oil & Gas · NYSE · in our data October 11, 1995 to April 24, 2020 (24.5 years)

The first trading day in our data for Diamond Offshore Drilling is October 11, 1995 (its first day in our records, which may be later than its listing and is not its founding). At its peak, on December 26, 2007, the market valued it at $20.6 billion. It ended in a collapse: the last trade was $0.94, -99.0% from its split-adjusted high. The delisting record says: dropped by the exchange (failure).

1995-102020-04
Peak market value$20.6 billionDecember 26, 2007
Highest split-adjusted share price$92.73May 20, 2008
Last share price$0.94April 24, 2020
From its split-adjusted high to the end-99.0%
Return over the days in our data-84.5%with dividends, before the last trade
Worst single day-39.1%April 16, 2020

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 1995. How these numbers are made · Report a data issue.

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Also gone in 2020: Oil & Gas