Hindsight Market

The Graveyard › 2020

Tetraphase Pharmaceuticals

TTPH · Chemicals & Drugs · NASDAQ · in our data March 20, 2013 to July 28, 2020 (7.4 years)

The first trading day in our data for Tetraphase Pharmaceuticals is March 20, 2013 (its first day in our records, which may be later than its listing and is not its founding). At its peak, on July 16, 2015, the market valued it at $1.9 billion. It ended in a collapse: the last trade was $2.20, -99.8% from its split-adjusted high. The delisting record says: merged or acquired.

2013-032020-07
Peak market value$1.9 billionJuly 16, 2015
Highest split-adjusted share price$1037.80July 16, 2015
Last share price$2.20July 28, 2020
From its split-adjusted high to the end-99.8%
Return over the days in our data-98.4%with dividends, before the last trade
Worst single day-78.8%September 9, 2015

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 2013.

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Also gone in 2020: Chemicals & Drugs