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
1
2
3
4
5
|
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
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
1
|
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