In determing the time when using the Black-Scholes formula, and suppose the time is 30 days, do I convert to years and use 30/365? Or do I use 1/12 and think of the 30 days as one month? Or does it even matter? I was also wondering if I would ever just use 252 since that is the number of trading days in the year? So, for example, 30 days would be 30/252 of a year in the Black-Scholes formula? I think the calculations all lead to minimal differences, but I am wondering if there is a set rule or standard protocol? Thanks!
In determing the time when using the Black-Scholes formula, and suppose the time is 30 days, do I convert to years and use 30/365? Or do I use 1/12 and think of the 30 days as one month? Or does it even matter? I was also wondering if I would ever just use 252 since that is the number of trading days in the year? So, for example, 30 days would be 30/252 of a year in the Black-Scholes formula? I think the calculations all lead to minimal differences, but I am wondering if there is a set rule or standard protocol? Thanks!
Chapter9: Forecasting Exchange Rates
Section: Chapter Questions
Problem 6BIC
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In determing the time when using the Black-Scholes formula, and suppose the time is 30 days, do I convert to years and use 30/365? Or do I use 1/12 and think of the 30 days as one month? Or does it even matter?
I was also wondering if I would ever just use 252 since that is the number of trading days in the year? So, for example, 30 days would be 30/252 of a year in the Black-Scholes formula?
I think the calculations all lead to minimal differences, but I am wondering if there is a set rule or standard protocol? Thanks!
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