forex is to model the successful prediction of foreign exchange rate. forex entails data collection phase where the first version of data would be mainly targeting on the USD/KRW.
data/KRW_USD.pkl includes KRW/USD rates from 2017-01-01 to 2019-07-29
dates = np.array(dates, dtype='datetime64[D]')
rates = np.array(rates, dtype='float64')
data = {'Date': dates,
'KRW/USD': prices}

