'''
assigment 2: Bollinger bands
question 2: highest profit per transaction
'''
print('When the W becomes bigger, the profit beacomes higher.')
print('It seems that at k = 1 and k = 2.5, the profit is higher than others.')
print('There is no loss with any W and k.')
print('The highest profit per transaction in 2017 is 298.98 when W from 31 to 36, k=1.') 
 
