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20211010 期貨商品的功用為何?
David Mymoney 投資理財長智識
2021-10-08
00:14:00
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股價指數期貨祇有避險和投機功能,沒有投資功能,要搞清楚。買入股價指數期貨就是做多,賣出股價指數期貨就是做空。