所有debit or credit spread, as you will easily increase size.

来源: 笨小子于 2017-08-18 09:49:41 [档案] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (181 bytes)

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回答: 谢分享由周末闲语于 2017-08-18 09:28:03

Only after you know how to manage position size, can spread be used very comfortably. Naked is the best way to practice how to control position size.

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