選擇權從成交量來觀察,8月份買權集中在8300點,賣權集中在8000點。未平倉量部份,買權未平倉量大量區在8300點,而賣權大量區則在7800 點。全月份未平倉量put/call ratio 由0.93升至0.94,買權平均隱含波動率由14.05%降至13.62%,賣權平均隱含波動率由15.81%降至15.64%,買賣權同降,操作上建議在7900與8300建立買進勒式操作因應。(永豐期貨提供)
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