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6. A liquidity provider shall, starting from 5 minutes after the TWSE centralized exchange market opens until the market closes, perform its quoting obligations by means of "responding to quote requests" or "voluntary quoting"; the operational guidelines are as follows: (1) Responding to quote requests 1. A liquidity provider shall, within 5 minutes after receiving an investor's price inquiry, respond with a quote, and this quote shall remain posted for at least 1 minute. 2. If the order price per unit of warrants is less than NT$10, each single quote may not be for less than 10 trading units; if the order price per unit of warrants is from NT$10 to NT$20, each single quote may not be for less than 5 trading units; if the order price per unit of warrants is more than NT$20, each single quote may not be for less than 1 trading unit. 3. A liquidity provider shall make a synchronous recording of the phone call with which an investor requests a quote, and the recording shall be preserved for at least 2 months. (2) Voluntary quoting: 1. The price quote by a liquidity provider shall include a bid price and an ask price. 2. A liquidity provider shall on its own initiative provide quotes at least once every 5 minutes, and such quotes shall remain posted for at least 30 seconds, provided that this 30-second restriction shall not apply when quotes are updated due to price fluctuations of the underlying securities. 3. A liquidity provider shall prescribe a maximum price fluctuation between the highest bid price and the lowest ask price. 4. If the order price per unit of warrants is less than NT$10, each single quote may not be for less than 10 trading units; if the order price per unit of warrants is from NT$10 to NT$20, each single quote may not be for less than 5 trading units; if the order price per unit of warrants is more than NT$20, each single quote may not be for less than 1 trading unit.
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