best length for selling a weekly option?

change the premium to std devs.
So, something like solving the BSM eq for z by using the Premium, and then applying some probabilistic calcs like p(z) and calcing GE (or LE) etc.
Yep, good idea. Thx.
 
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Is there an equation you can provide where the variables are easy to find?
variables are
premium
volatility
underlying price

find what are the chances there will be a move beyond premium. scale for time. I am not referring to anything difficult. This is what a 14 or 15 year old learns in school
 
variables are
premium
volatility
underlying price

find what are the chances there will be a move beyond premium. scale for time. I am not referring to anything difficult. This is what a 14 or 15 year old learns in school
Is DTE not needed?
 
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