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Australian Stock Exchange (ASX):
The ASX has not adopted specific circuit breakers such as downside price limits, position limits, liquidation restrictions or restrictions on certain types of trading.
However, temporary trading halts can and do occur following a market sensitive announcement by the company. In the case of a take-over announcement, the ASX will place the Securities of that company into "Adjust Phase" followed by a period of "Pre-Opening." For a Part C take-over, only the broker standing in the market is allowed to enter a new bid during the period of "Adjust." During "Adjust," a broker may remove a bid or offer but cannot enter any new order that will improve the position or quantity of the bid or offer. For announcements of a general nature that are price sensitive, the ASX will place the stock (the subject of the announcement) onto "Pre-Opening." During this period, brokers may enter bids and offers at any price, however, trades are not executed by SEATS until the stock resumes normal trading.
The ASX can also call a halt to general trading, under Business Rule 2.13(2), for a period not exceeding 30 minutes. This rule is enforced if in the opinion of the Board it is appropriate for the maintenance of a fair and informed market. Under the rule the market is placed into the Pre-Opening Phase, that is a period of time when bids or offers may be entered or canceled, but no transactions can be effected.
这是我当时找到的,ASX好像没有Circuit breaker |
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