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  1. 15 小時前 · 備兌認購期權策略被視為增強收益的方法。投資者先買入正股/指數,繼後賣出價外認購期權,收取期權金;若正股/指數價格上升,便可以獲得額外收益。舉例,投資者以每股10元買入A公司,再賣出行使價12元的認購期權,收取期權金1元。在到期日時,A公司的股價升抵11元,投資者沽出A公司股份 ...

  2. 15 小時前 · The 2023 Pacific typhoon season was the fourth consecutive below-average season and became the third-most inactive typhoon season on record in terms of named storms, with just 17 named storms developing, only ahead of 2010 and 1998. Despite the season occurring during an El Niño event, which typically favors activity in the basin, activity was ...