The volume, type, and dollar amount of a bid or ask quote placed by a securities firm shall comply with the following provisions:
Even if the criterion in subparagraph 1 of the preceding paragraph is not met, a block trade of a single security may still be carried out for a single quote for a purchase or sale with a total dollar amount of NT$15 million or more.
- A block trade of a single security shall be for 500 or more trading units of a listed security.
- A block trade of a basket of stocks shall be for five or more listed stocks, and the total dollar amount shall be NT$15 million or more.
The total dollar amount to be quoted shall be converted at the exchange rate posted by the TWSE on the preceding day if the securities mentioned in paragraph 1, subparagraph 2 and paragraph 2 are beneficial certificates of exchange-traded funds in foreign currency.