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量化交易吧 /  数理科学 帖子:3351387 新帖:6

市赢率历史数据折线图

fx1118发表于:5 月 10 日 05:03回复(1)

市赢率,市净率折线图

获取财务数据¶

from jqdata import finance
import matplotlib.pyplot as plt
from matplotlib import gridspec
import pandas as pd
from datetime import datetime


def draw_pe_pb(stock,start_year):
    q = query(
      valuation
    ).filter(
      valuation.code == stock
    )
    
    now = datetime.today().date()
    

    df = pd.DataFrame()
    for y in range(start_year,now.year+1):
        for quater in range(1,5):
            df = df.append(get_fundamentals(q, statDate = "{}q{}".format(y,quater)))

    df['day'] = pd.to_datetime(df['day'])
    df.index = df.day

    fig = plt.gcf()
    fig.set_size_inches(10.5, 10.5)

    gs = gridspec.GridSpec(3, 1,                     
                           height_ratios=[2,4,4]
                           )
    ax0 = plt.subplot(gs[1],facecolor='white',ylabel=u"市净率",label="PB")
    ax1 = ax0.twinx()  # this is the important function
    ax1.set_ylabel(u"市赢率")

    ax0.plot(df.index,df.pb_ratio,'r',label=u'市净率')
    ax1.plot(df.index,df.pe_ratio,'b',label = u'市赢率')

    ax0.legend(loc="upper left")
    ax1.legend(loc='upper right')
    ax0.set_title(stock)

    
stock = '000001.XSHE'   
    
draw_pe_pb(stock,2010)
 

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