You Hold a Straddle on a Stock That You Bought

Multiple Choice

You hold a straddle on a stock that you bought a month ago and that still has two months to expiry. Assume the options are European. An unexpected increase of $1 in the price of the stock

A) Changes the value of your straddle by more than $1.
B) Changes the value of your straddle by at most $1.
C) Leaves the value of your straddle unchanged.
D) Any of the above can happen.