[問題] 保證金的設計?
期貨是保證金交易,可以交少許保證金,來操作5~20倍槓桿的合約(視商品而定)。
我的問題來了,請問為何是5~20倍?不是2倍,也不是50倍或100倍?
會有這個問題,是因為個人在做當沖,雖然已有保證金減半,
比如小台一口2萬元,減半只要1萬元。(400點→200點)。
以短沖來說,200點太過安全了,我覺得大概100點或50點作一口,或開放像t+2。
無本買空買空更好。當初為何沒開放這個制度(要先簽生死狀,當然)。
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