According to the Model Code for Securities Transactions by Directors of Listed Issuers in Hong Kong Listing Rules, how long is trading clearance valid?
ID : 1899
Long answer : Clearance expires after 5 business days from approval. (Source: https://en-rules.hkex.com.hk/sites/default/files/net_file_store/HKEX4476_3785_VER31169.pdf)