[Duan Yongping Discloses Micron Holdings: Acquired 10,000 Shares After Selling Puts, Then Sold Calls] Odaily Planet Daily News – Renowned investor Duan Yongping disclosed his Micron Technology (MU) holdings in a post on Xueqiu, accompanied by an image. He stated that those who buy short-term options are likely gambling, while those who sell them are probably insurance companies or running a casino, with the key being to control odds through rules. Selling puts relies on understanding the business (i.e., probability or edge). He emphasized that one should not aim to win every single time, but must avoid touching things they don’t understand. The image shows his recent trading records, including: - On August 10, 100 Micron puts with a strike price of $870 that Duan had previously sold were exercised, resulting in the acquisition of 10,000 Micron shares, corresponding to an amount of $8.7 million. - On August 11, he sold 100 calls expiring on August 26 with a strike price of $870 at a transaction price of $37.55, earning approximately $375,500 in premiums. - Additionally, the screenshot shows that on August 12, 14, and 17, 100 puts with a strike price of $870 each expired worthless.