The Saudi Stock Exchange (Tadawul) will implement the auction mechanism to calculate the closing price instead of the current Volume Weighted Average Price (VWAP), in addition to enhancing the current mechanism to calculate the opening price; effective from Sunday (27 May) for both the Main Market and Nomu – Parallel Market. Accordingly, a new session will be added after the trading session starting at 3:00pm and ending at 3:10pm. Moreover, enhancements to the opening price mechanism will give investors transparency in the visibility of placed orders (Market Orders), which will be displayed at the top of the order book at best offer and best bid.