Announcement date

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Announcement date

Date on which particular news concerning a given company is announced to the public. Used in event studies, which researchers use to evaluate the economic impact of events of interest.

Announcement Date

1. The date on which a significant piece of news is announced to the public. For example, if a company hires a new CEO, the announcement date is the day it is announced to the media. As the announcement may affect the company's stock price, many analysts observe its performance on the announcement date and consider it a gauge of how the market will treat the news.

2. The date on which a dividend is announced. After the announcement date, the dividend becomes a legal liability and a company is obliged to pay it.
References in periodicals archive ?
This table provides information on night-trading profit as a percentage of total profit from the close of day 0 to open of day +1 for announcement dates and day -1 to day 0 for effective dates.
We find that the largest arbitrage profits are earned by investors who enter the game at the beginning of the after-hours session of the announcement date.
public companies' earnings announcement dates, conference calls, dividend announcements, and board meeting and stock-split dates.
Tom Jarosh, AS/400 general manager, also backs up what we have heard, although he dances around exact announcement dates.
Questions A and C report whether business firms change announcement dates because of the pending release of macroeconomic factors when earnings are lower/higher than anticipated.
Firms seem more concerned about lower-than-expected earnings than higher-than-expected earnings, and are more likely to change their announcement dates accordingly.