前言
手里有一点点公司的股票, 拿不准在什么时机抛售, 程序员也没时间天天盯着看,不如动手写个小程序, 把股票趋势每天早上发到邮箱里,用 python 的 pandas, matplotlib 写起来很容易, 几十行代码搞定。
准备环境
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python3 -m venv venv source . /venv/bin/activate pip install pandas pip install pandas_datareader pip install matplotlib |
代码如下
绘制 2019 年到今天2019-02-15 的我司 ( Cisco ) 的股票趋势 ( open:开盘价, close: 收盘价, high 最高价:, low: 最低价,单位为美元)
$ vi stock.py
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import matplotlib.pyplot as plt import pandas as pd pd.core.common.is_list_like = pd.api.types.is_list_like import pandas_datareader.data as web import matplotlib import time import matplotlib.pyplot as plt import argparse def drawStockTrend(inc, startDate, endDate, pngFile): fig = matplotlib.pyplot.gcf() fig.set_size_inches( 18.5 , 10.5 ) df = web.DataReader(name = inc, data_source = 'iex' , start = startDate, end = endDate) print (df) plt.style.use( 'seaborn-whitegrid' ) plt.xticks(rotation = 30 ) plt.plot(df.index, df[ 'open' ], label = 'open' , marker = 'o' , linestyle = ':' , linewidth = 1 , markersize = 3 , color = 'gray' ) plt.plot(df.index, df[ 'high' ], label = 'high' , marker = 'o' , linestyle = ':' , linewidth = 1 , markersize = 3 , color = 'green' ) plt.plot(df.index, df[ 'low' ], label = 'low' , marker = 'o' , linestyle = ':' , linewidth = 1 , markersize = 3 , color = 'blue' ) plt.plot(df.index, df[ 'close' ], label = 'close' , marker = 'o' , linestyle = '-' , linewidth = 2 , markersize = 6 , color = 'red' ) for x, y in zip (df.index, df[ 'close' ]): plt.text(x, y + 0.3 , '%.2f' % y, ha = 'center' , va = 'bottom' , color = 'red' ) plt.legend() plt.title( "%s' stock trend" % company) plt.show(block = True ) time.sleep( 1 ) if ( not pngFile): fig.savefig(pngFile) plt.close() if __name__ = = "__main__" : parser = argparse.ArgumentParser() parser.add_argument( '-c' , action = 'store' , dest = 'company' , help = 'specify company' ) parser.add_argument( '-s' , action = 'store' , dest = 'start' , help = 'specify start date' ) parser.add_argument( '-e' , action = 'store' , dest = 'end' , help = 'specify end date' ) parser.add_argument( '-f' , action = 'store' , dest = 'file' , help = 'specify the filename' ) args = parser.parse_args() company = 'CSCO' startDate = '2019-01-01' endDate = '2019-02-19' pngFile = None if (args.company): company = args.company if (args.start): startDate = args.start if (args.end): endDate = args.end if (args. file ): pngFile = args. file drawStockTrend(company, startDate, endDate, pngFile) #example # python stock.py -c GOOGL -s 2019-01-01 -e 2019-02-19 -f google_stock_trend.png # python stock.py -c CSCO -s 2019-01-01 -e 2019-02-19 -f cisco_stock_trend.png # python stock.py -c SINA -s 2019-01-01 -e 2019-02-19 -f sina_stock_trend.png # python stock.py -c BIDU -s 2019-01-01 -e 2019-02-19 -f baidu_stock_trend.png # python stock.py -c NTES -s 2019-01-01 -e 2019-02-19 -f netease_stock_trend.png |
运行命令如下
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python stock.py - c CSCO - s 2019 - 01 - 01 - e 2019 - 02 - 19 - f cisco_stock_trend.png |
图表如下
cisco
cisco
看来最近股价涨势不错。
再看看其他公司
Baidu
baidu
Netease
netease
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://www.jianshu.com/p/ca3f5008c55c