Learning Center

Trading Rules in the Saudi Stock Market

Saudi Stock Market Trading Sessions
The Saudi stock market (Tadawul) operates from Sunday to Thursday, between 10:00 AM and 3:00 PM Saudi Arabian Standard Time (03:00 GMT). Trading remains open throughout the day with no lunch break, providing a continuous 5-hour trading window.

1. Pre-Open Session
   In the first of the four trading sessions:

   • You can place, modify, or cancel buy and sell orders.
   • No matching of buy and sell orders occurs; orders are only recorded in the order book.
   • Opening and closing prices are determined using an auction mechanism.

2. Open Trading Session
   During this session, in addition to the actions allowed in the pre-open session, you can:

   • Establish opening prices and match orders, with continuous trading starting.
   • Place, modify, or cancel orders.
   • Keep orders in the system for up to 30 days.

3. Pre-Close Session
   During the pre-close session:

   • Closing prices are determined using the auction mechanism.
   • You can cancel orders and modify their validity period.
   • You cannot change order prices, but you can reduce the quantity without increasing it.
   • No new orders are accepted.

4. Market Close Session
   During the market close session:

   • The market is officially closed.
   • No actions can be taken on market symbols or orders.