First of all, it is to use options to do core risk control (buy insurance) for the original strategy and position. The core of the trading ability is the change of the spot futures position, coupled with the selection of the defensive strategy of the option. Option positions only perform risk control actions when the main position is at risk. For example, one took a long-term euro short order this week, and was worried about short-term interference caused by non-farm payrolls on Friday, so he co
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