In: Finance
Suppose we are given the following information of a stock: S =
100, r = 5%, σ = 30%, and the stock doesn’t pay any dividend.
Calculate the delta of a credit spread using two put options
(strike price = $90 and $80) that matures in 0.5 year, based on BSM
model.
A. 0.135
B. -0.135
C. 0.337
D. -0.337
Correct answer: A. 0.135
Put credit spread: Sell Put with higher strike price and Buy Put with lower strike price
Please refer to below spreadsheet for calculation and answer. Cell reference also provided.
Cell reference -
Hope it will help, please do comment if you need any further explanation. Your feedback would be highly appreciated.