最后交割日：交割月份最后一个交易日之后的第二个营业日。

Last delivery day: second business day following the last trading day of the delivery month.

youdao

最后交割日：交割月份最后一个交易日之后的第二个营业日。

Last delivery day: second business day following the last trading day of the delivery month.

youdao