题目内容:
买方将期权头寸了结后,权利也随之消失。如果交易者开仓指令为:s100ycx128000c1321mt,则平仓指令应为( )。
A.b90ycx128000c1351mt(或mkt) B.b100ycx128000c1351mt(或mkt)
C.b80ycx128000c1351mt(或mkt)
D.b70ycx128000c1351mt(或mkt)
参考答案:
答案解析: