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#交易员干货# #交易笔记有奖挑战赛#投机随笔(8)级别决定敞口(A篇) 级别:走势/买卖点分不同级别,如月线、周线、日线、4H、1H、30F、15F、5F级别等。5F和5F以下的级别的意义只是为把握更精准的点位提供帮助。 敞口:波动率、杠杆、保证金的乘积。类似于β的概念,可用市场波动通过持仓头寸对净值波动的影响程度描述敞口的大小,如5%、10%、15%、20%等。 级别决定敞口:走势/买卖点的级别越大,对应的敞口应当越大。因为不同级别的买卖点,对应不同水平的风险报酬比,所以应当投入不同的敞口。也就是说,某一品种给与多少敞口,不是由收益目标、资金规模或心情决定的,决定因素只有一个:走势/买卖点的级别。

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