The security settlement means transferring the executed security from the seller’s investment portfolio to the buyer’s investment portfolio. Cash settlements refer to the process of transferring the value of securities for executed transactions from the buyer’s investment account to the seller’s investment account through the exchange members. More details about it can be found via the following link from the Tadawul website. Settlement in the Saudi market: https://www.tadawul.com.sa/wps/portal/tadawul/knowledge-center/about/settlement-cycle?locale=ar