轉讓契約
assignment
是指股票憑證由登記所有人背書後，使其成為可流通的，或指給一賣出或買入期權合約立權人的關於該合約已被合約買者執行的通知。
Means a stock certificate after endorsement by the registered owner, making it negotiable, or refer to a put or call option contracts of the human right to notice of the contract has been executed contract of buyers.