题目
As an in-the-money option approaches expiration, the rate of decay of its value:
选项
A.rises
B.falls
C.stays constant
D.becomes volatile
答案
A
解析
As an option approaches its expiration, the rate of decay of an option accelerates due to loss of time value.当期权到期时，期权的衰减率会由于时间价值的损失而加快。