Pre-Open session 9:30 – 10:00:
30-minute period starts right before the official time of trading sessions to allow brokers entering their bid and ask orders in the trading system. At the end of the 30 minutes the trading system determines the opening prices of the shares based on the following principles and the normal session of trading starts immediately:
- Number of available shares for each price.
- The remaining quantity of shares after the probable fittings.
- Net change on pre-open session prices compared to previous trading session closing prices.
In pre-opening session the orders will line up the orders which have better prices or equals to opening price and line up the orders which has low prices from opening price by actual prices. And for each company have just one opening price.
Trading session starts at 10 a.m. and continues for two hours which ends up at 1 p.m. prices are the 1st condition to execute orders giving regular orders priority over cross orders.
Special conditions orders 1-1:30
This session is organized from 1 to 1:30 p.m., right after the end of regular trading session and lasts for 30 minutes only. During this session of brokers submit written requests stating their bids and asks to ISX authority beforehand.