MA, SMA, EMA

    MA: Moving Average. 移動平均線

    SMA: Simple Moving Average 簡單移動平均

    EMA: Exponential Moving Average.  指數移動平均

    #!/usr/bin/env python
    # -*- coding=utf-8 -*-
    __author__ = "柯博文老師 Powen Ko, www.powenko.com"
    # EMA httpsss://towardsdatascience.com/implementing-moving-averages-in-python-1ad28e636f9d
    
    import pandas as pd
    import numpy as np
    from datetime import datetime
    import matplotlib.pyplot as plt
    import pyEX as p
    # httpsss://iexcloud.io/  申請免費帳號
    
    TOKEN="xxxxxxx"
    c = p.Client(api_token=TOKEN)
    
    
    ticker = 'AMD'
    timeframe = '6m'
    df = c.chartDF(ticker, timeframe)
    df = df[['close']]
    df.reset_index(level=0, inplace=True)
    df.columns=['ds','y']
    plt.plot(df.ds, df.y, label='AMD')
    plt.show()