在選擇權交易中，最重要的就是風險控管，你應該要知道自己部位的損益區間、最大獲利、最大損失...等等，如果沒弄清楚的話，無異於矇著眼睛打仗，這是極度危險的事！
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R1209340480650030031455 discovered via cmkuzx9hk007e5kinj9ytpgmw
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