bias calculate

bias.py

#!/usr/bin/env python

import sys

avg_price = float(sys.argv[1])
new_price = float(sys.argv[2])
bias = float(sys.argv[3])

unit = (new_price - avg_price) / bias

buy_price1 = round(avg_price - unit * 3, 3)
buy_price2 = round(avg_price - unit * 5, 3)
buy_price3 = round(avg_price - unit * 7, 3)

sell_price1 = round(avg_price + unit * 3, 3)
sell_price2 = round(avg_price + unit * 5, 3)
sell_price3 = round(avg_price + unit * 7, 3)
sell_price4 = round(avg_price + unit * 10, 3)

print("-3 bias: ", buy_price1)
print("-5 bias: ", buy_price2)
print("-7 bias: ", buy_price3)
print("")
print("22 price: {}, now price: {}, now bias: {}".format(avg_price, new_price, bias))
print()
print("3 bias: ", sell_price1)
print("5 bias: ", sell_price2)
print("7 bias: ", sell_price3)
print("10 bias: ", sell_price4)