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cal_stock_gains.py
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cal_stock_gains.py
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
"""
Date: 2023/2/17 17::41
Desc: 计算A股股票持有N年的收益情况
"""
import akshare as ak
import pandas as pd
import datetime
import re
import math
import dateutil.parser
import sys
import time
import os
import random
import stock_gains_util as util
# 注意:
# ak.stock_history_dividend_detail 获取的数据是按时间降序排列的
str_to_date = util.str_to_date
date_to_str = util.date_to_str
cell_to_number = util.cell_to_number
def get_init_hist(symbol, begin_year):
# 获取起始年份前一交易日收盘价
year = begin_year - 1
while True:
start_date = '%d0101' % (year)
end_date = '%d1231' % (year)
hist_df = ak.stock_zh_a_hist(symbol=symbol, period="daily", start_date=start_date, end_date=end_date, adjust="")
if(len(hist_df) > 0):
return hist_df.loc[len(hist_df)-1]
year -= 1
if(year < 1984):
break
return None
def cal_init_price(begin_year, init_hist, dividend_detail_df):
# 前一交易日与起始年份之间分红除权
init_date = str_to_date(init_hist['日期'])
end_date = datetime.date(begin_year-1, 12, 31)
init_price = init_hist['收盘']
if(init_date >= end_date):
return init_price
if(init_date < end_date):
for i in range(len(dividend_detail_df)-1, -1, -1):
row = dividend_detail_df.loc[i]
cqcx_date = row['除权日']
if pd.notna(cqcx_date):
if(cqcx_date > end_date):
break
if(cqcx_date > init_date):
init_price = round((init_price - row['派息'])/(1+(row['送股'] + row['转增'])/10), 2)
return init_price
def fetch_stock_sina_dividents_detail_dfs(symbol, dividend_detail_df):
ret_dfs = {}
for i in range(0, len(dividend_detail_df)):
row = dividend_detail_df.iloc[i]
date = row['公告日期']
detail_df = None
try:
detail_df = ak.stock_history_dividend_detail(symbol=symbol, indicator="分红", date=date_to_str(date))
except Exception as e:
break
finally:
pass
if not detail_df is None:
ret_dfs[date] = detail_df
# 不能太快获取,会被封禁
time.sleep(2+random.random()*3)
return ret_dfs
def fetch_stock_dfs(symbol, begin_year, end_year):
dividend_detail_df = None
try:
dividend_detail_df = ak.stock_dividents_cninfo(symbol=symbol)
except Exception as e:
print('fetch_stock_dfs ak.stock_dividents_cninfo fail', symbol, e)
dividend_detail_df = None
pass
finally:
pass
if dividend_detail_df is None:
try:
dividend_detail_df = ak.stock_history_dividend_detail(symbol=symbol, indicator="分红")
detail_dfs = fetch_stock_sina_dividents_detail_dfs(symbol, dividend_detail_df)
time.sleep(2+random.random()*3)
dividend_detail_df = util.stock_dividents_sina_to_cinfo(dividend_detail_df, detail_dfs)
except Exception as e:
print('fetch_stock_dfs ak.stock_history_dividend_detail fail', symbol, e)
dividend_detail_df = None
pass
finally:
pass
rights_issue_df = ak.stock_history_dividend_detail(symbol=symbol, indicator="配股")
start_date = date_to_str(begin_year, '') if isinstance(begin_year, datetime.date) else '%d0101' % (begin_year)
end_date = date_to_str(end_year, '') if isinstance(end_year, datetime.date) else '%d1231' % (end_year)
hist_df = ak.stock_zh_a_hist(symbol=symbol, period="daily", start_date=start_date, end_date=end_date, adjust="")
return dividend_detail_df, hist_df, rights_issue_df
def fill_data_dividents(data, dividend_detail_df, begin_year, end_year):
for i in range(0, len(dividend_detail_df)):
row = dividend_detail_df.iloc[i]
ex_date = row['除权日']
if not isinstance(ex_date, datetime.date):
ex_date = str_to_date(ex_date)
if not ex_date is None and ex_date.year >= begin_year and ex_date.year <= end_year:
idx = ex_date.year - begin_year + 1
if pd.notna(row['送股比例']):
data[idx][0] += row['送股比例']
if pd.notna(row['派息比例']):
data[idx][1] += row['派息比例']
if pd.notna(row['转增比例']):
data[idx][2] += row['转增比例']
def cal_stock_gains(symbol, begin_year, end_year, init_amount=10000, dividend_detail_df=None, hist_df=None, rights_issue_df=None):
init_hist = get_init_hist(symbol, begin_year)
columns = ['10送x', '10派y', '10转z', '不复权收盘价', '送转股数', '红利', '红利累计', '剩余现金', '总持股数量', '总持股市值', '收益率', '年化收益率']
idx_years = [year for year in range(begin_year-1, end_year+1)]
if dividend_detail_df is None:
dividend_detail_df = ak.stock_dividents_cninfo(symbol=symbol)
init_price = cal_init_price(begin_year, init_hist, dividend_detail_df)
data = [[0, 0, 0, init_price, 0, 0, 0, 0, init_amount, init_amount*init_price, 0, 0]] + [[0 for i in range(0, len(columns))] for k in range(0, len(idx_years)-1)]
if hist_df is None:
start_date = '%d0101' % (begin_year)
end_date = '%d1231' % (end_year)
hist_df = ak.stock_zh_a_hist(symbol=symbol, period="daily", start_date=start_date, end_date=end_date, adjust="")
if rights_issue_df is None:
rights_issue_df = ak.stock_history_dividend_detail(symbol=symbol, indicator="配股")
gains_df = util.cal_a_stock_gains(hist_df, dividend_detail_df, rights_issue_df, init_price, datetime.date(begin_year, 1, 1), datetime.date(end_year, 12, 31),
init_amount, 0, 0)
fill_data_dividents(data, dividend_detail_df, begin_year, end_year)
year = begin_year
latest_price = init_price
def fill_data(fill_end_year):
nonlocal year
idx = year - begin_year + 1
data[idx][3] = latest_price
data[idx][6] = data[idx-1][6] + data[idx][5]
if data[idx][7] == 0:
data[idx][7] = data[idx-1][7]
data[idx][11] = round(((1+data[idx][10]/100)**(1/idx)-1)*100, 2)
year += 1
while year < fill_end_year:
idx = year - begin_year + 1
data[idx][3] = data[idx-1][3]
data[idx][6] = data[idx-1][6]
data[idx][7] = data[idx-1][7]
data[idx][8] = data[idx-1][8]
data[idx][9] = data[idx-1][9]
data[idx][10] = data[idx-1][10]
data[idx][11] = round(((1+data[idx][10]/100)**(1/idx)-1)*100, 2)
year += 1
for i in range(0, len(gains_df)):
row = gains_df.iloc[i]
if year < row['交易日期'].year:
fill_data(row['交易日期'].year)
idx = year - begin_year + 1
if row['总持仓'] > 0:
latest_price = round(row['总市值']/row['总持仓'], 2)
data[idx][4] += row['送股'] + row['转增']
data[idx][5] += row['派息']
data[idx][7] = row['现金'] + row['未到账派息']
data[idx][8] = row['总持仓']
data[idx][9] = row['总市值']
data[idx][10] = row['总收益率']
if year <= end_year:
fill_data(end_year+1)
df = pd.DataFrame(data, index=idx_years, columns=columns)
return df
def cal_stock_gains_riod(symbol, begin_year, end_year, init_amount=10000, dividend_detail_df=None, hist_df=None, rights_issue_df=None, fee_rate=0.0005, min_fee=5):
init_hist = get_init_hist(symbol, begin_year)
columns = ['10送x', '10派y', '10转z', '不复权收盘价', '送转股数', '红利', '复投股数', '剩余现金', '总持股数量', '总持股市值', '收益率', '年化收益率']
idx_years = [year for year in range(begin_year-1, end_year+1)]
if dividend_detail_df is None:
dividend_detail_df = ak.stock_dividents_cninfo(symbol=symbol)
init_price = cal_init_price(begin_year, init_hist, dividend_detail_df)
data = [[0, 0, 0, init_price, 0, 0, 0, 0, init_amount, init_amount*init_price, 0, 0]] + [[0 for i in range(0, len(columns))] for k in range(0, len(idx_years)-1)]
if hist_df is None:
start_date = '%d0101' % (begin_year)
end_date = '%d1231' % (end_year)
hist_df = ak.stock_zh_a_hist(symbol=symbol, period="daily", start_date=start_date, end_date=end_date, adjust="")
if rights_issue_df is None:
rights_issue_df = ak.stock_history_dividend_detail(symbol=symbol, indicator="配股")
gains_df = util.cal_a_stock_gains(hist_df, dividend_detail_df, rights_issue_df, init_price, datetime.date(begin_year, 1, 1), datetime.date(end_year, 12, 31),
init_amount, 0, 1, fee_rate, min_fee)
fill_data_dividents(data, dividend_detail_df, begin_year, end_year)
year = begin_year
latest_price = init_price
def fill_data(fill_end_year):
nonlocal year
idx = year - begin_year + 1
data[idx][3] = latest_price
if data[idx][7] == 0:
data[idx][7] = data[idx-1][7]
data[idx][11] = round(((1+data[idx][10]/100)**(1/idx)-1)*100, 2)
year += 1
while year < fill_end_year:
idx = year - begin_year + 1
data[idx][3] = data[idx-1][3]
data[idx][7] = data[idx-1][7]
data[idx][8] = data[idx-1][8]
data[idx][9] = data[idx-1][9]
data[idx][10] = data[idx-1][10]
data[idx][11] = round(((1+data[idx][10]/100)**(1/idx)-1)*100, 2)
year += 1
for i in range(0, len(gains_df)):
row = gains_df.iloc[i]
if year < row['交易日期'].year:
fill_data(row['交易日期'].year)
idx = year - begin_year + 1
if row['总持仓'] > 0:
latest_price = round(row['总市值']/row['总持仓'], 2)
data[idx][6] += row['买入']
data[idx][4] += row['送股'] + row['转增']
data[idx][5] += row['派息']
data[idx][7] = row['现金'] + row['未到账派息']
data[idx][8] = row['总持仓']
data[idx][9] = row['总市值']
data[idx][10] = row['总收益率']
if year <= end_year:
fill_data(end_year+1)
df = pd.DataFrame(data, index=idx_years, columns=columns)
return df
def stock_gains_to_xlsx(symbol, begin_year, end_year, init_amount=10000, fee_rate=0.0005, min_fee=5, save_dir='./stock_gains/', rank_df=None):
info_em_df = ak.stock_individual_info_em(symbol=symbol)
if len(info_em_df) == 0:
print('股票代码 {0} 不存在'.format(symbol))
return False
ss_date = info_em_df.loc[info_em_df['item'] == '上市时间'].iloc[0]['value']
stock_name = info_em_df.loc[info_em_df['item'] == '股票简称'].iloc[0]['value']
total_value = info_em_df.loc[info_em_df['item'] == '总市值'].iloc[0]['value']
if not isinstance(ss_date, datetime.date):
ss_date = str_to_date(ss_date)
if ss_date is None:
print('{0} {1} 未上市,不处理'.format(symbol, stock_name, ss_date, begin_year-1))
return False
if ss_date.year >= begin_year:
print('{0} {1} 上市时间为 {2} 晚于 {3}-12-31,不处理'.format(symbol, stock_name, ss_date, begin_year-1))
return False
if stock_name.upper().find('ST') != -1 or stock_name.find('退市') != -1 or re.search('^\d+(.\d+)?$', str(total_value)) is None:
print('{0} {1} ST股、退市股不处理'.format(symbol, stock_name))
return False
save_fname = '{0}{1}-{2}.xlsx'.format(save_dir, symbol, stock_name)
if os.path.exists(save_fname):
print('{0} {1} 已处理过'.format(symbol, stock_name))
if not rank_df is None:
saved_dfs = pd.read_excel(save_fname, sheet_name=['红利不复投', '红利复投'])
gains_df, gains_roid_df = saved_dfs['红利不复投'], saved_dfs['红利复投']
rank_df.loc[len(rank_df)] = [symbol, stock_name, gains_df.iloc[len(gains_df)-1]['年化收益率'], gains_roid_df.iloc[len(gains_df)-1]['年化收益率']]
return False
dividend_detail_df, hist_df, rights_issue_df = fetch_stock_dfs(symbol, begin_year, end_year)
gains_df = cal_stock_gains(symbol, begin_year, end_year, init_amount, dividend_detail_df, hist_df, rights_issue_df)
gains_roid_df = cal_stock_gains_riod(symbol, begin_year, end_year, init_amount, dividend_detail_df, hist_df, rights_issue_df, fee_rate, min_fee)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
with pd.ExcelWriter('{0}{1}-{2}.xlsx'.format(save_dir, symbol, stock_name)) as xw:
gains_df.to_excel(xw, sheet_name='红利不复投')
gains_roid_df.to_excel(xw, sheet_name='红利复投')
print('{0} {1} 保存成功'.format(symbol, stock_name))
if not rank_df is None:
rank_df.loc[len(rank_df)] = [symbol, stock_name, gains_df.iloc[len(gains_df)-1]['年化收益率'], gains_roid_df.iloc[len(gains_df)-1]['年化收益率']]
return True
def batch_stocks_gains_to_xlsx(stocks_df, begin_year, end_year, init_amount=10000, fee_rate=0.0005, min_fee=5, save_dir='./stock_gains/', rank_df=None):
stock_count = len(stocks_df)
p50 = max(stock_count//50, 2)
for i in range(0, len(stocks_df)):
symbol = stocks_df.loc[i]['代码']
need_sleep = 0.05
retry = 0
while retry < 3:
if retry > 0:
print('{0}秒后重试:{1}'.format(round(need_sleep, 1), retry))
time.sleep(need_sleep)
try:
need_sleep = 2+random.random()*3 if stock_gains_to_xlsx(symbol, begin_year, end_year, init_amount, fee_rate, min_fee, save_dir, rank_df) else 0.05
break
except Exception as e:
print('股票代码:{0} 保存失败'.format(symbol))
print(e)
# 出现失败要停止
need_sleep = 5+5*random.random()
finally:
retry += 1
if not rank_df is None:
print(rank_df.sort_values(by='复投年化', ascending=False).head(10))
print("\r", end="")
print("进度: {0}/{1}: ".format(i+1, stock_count), "▋" * (i // p50), end="")
sys.stdout.flush()
time.sleep(need_sleep)
def all_stocks_gains_to_xlsx(begin_year, end_year, init_amount=10000, fee_rate=0.0005, min_fee=5, save_dir='./stock_gains/'):
print('获取沪A股票列表...')
sh_stocks_df = ak.stock_sh_a_spot_em()
print('获取沪A股票列表 完成')
print('获取深A股票列表...')
sz_stocks_df = ak.stock_sz_a_spot_em()
print('获取深A股票列表 完成')
rank_df = pd.DataFrame(columns=['代码', '股票简称', '不复投年化', '复投年化'])
print('计算保存沪A股票...')
batch_stocks_gains_to_xlsx(sh_stocks_df, begin_year, end_year, init_amount, fee_rate, min_fee, save_dir, rank_df)
print('计算保存沪A股票 完成')
print('计算保存深A股票...')
batch_stocks_gains_to_xlsx(sz_stocks_df, begin_year, end_year, init_amount, fee_rate, min_fee, save_dir, rank_df)
print('计算保存深A股票 完成')
with pd.ExcelWriter('{0}/收益排行.xlsx'.format(save_dir)) as xw:
rank_df.sort_values(by='不复投年化', ascending=False).to_excel(xw, sheet_name='红利不复投')
rank_df.sort_values(by='复投年化', ascending=False).to_excel(xw, sheet_name='红利复投')
def cal_stock_indicator_gains(symbol, begin_date=None, end_date=None):
if not (begin_date is None or isinstance(begin_date, datetime.date)):
begin_date = str_to_date(begin_date)
if not (end_date is None or isinstance(end_date, datetime.date)):
end_date = str_to_date(end_date)
indicator_df = ak.stock_a_lg_indicator(symbol=symbol)
hist_begin_date = indicator_df.iloc[0]['trade_date']
hist_end_date = indicator_df.iloc[len(indicator_df)-1]['trade_date']
dividend_detail_df, hist_df, rights_issue_df = fetch_stock_dfs(symbol, hist_begin_date+datetime.timedelta(days=1), hist_end_date)
gains_df = util.cal_a_stock_gains(hist_df, dividend_detail_df, rights_issue_df, 0, hist_begin_date, hist_end_date, 0, 100000, 1)
return util.cal_a_indicator_gains(gains_df, indicator_df, 'm1', begin_date, end_date)
def stock_indicator_gains_to_xlsx(symbol, save_dir='./stock_indicator_gains/'):
info_em_df = ak.stock_individual_info_em(symbol=symbol)
if len(info_em_df) == 0:
print('股票代码 {0} 不存在'.format(symbol))
return False
ss_date = info_em_df.loc[info_em_df['item'] == '上市时间'].iloc[0]['value']
stock_name = info_em_df.loc[info_em_df['item'] == '股票简称'].iloc[0]['value']
total_value = info_em_df.loc[info_em_df['item'] == '总市值'].iloc[0]['value']
if not isinstance(ss_date, datetime.date):
ss_date = str_to_date(ss_date)
if ss_date is None:
print('{0} {1} 未上市,不处理'.format(symbol, stock_name, ss_date, begin_year-1))
return False
if stock_name.upper().find('ST') != -1 or stock_name.find('退市') != -1 or re.search('^\d+(.\d+)?$', str(total_value)) is None:
print('{0} {1} ST股、退市股不处理'.format(symbol, stock_name))
return False
save_fname = '{0}{1}-{2}.xlsx'.format(save_dir, symbol, stock_name)
if os.path.exists(save_fname):
print('{0} {1} 已处理过'.format(symbol, stock_name))
return False
gains_df = cal_stock_indicator_gains(symbol)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
with pd.ExcelWriter('{0}{1}-{2}.xlsx'.format(save_dir, symbol, stock_name)) as xw:
gains_df.to_excel(xw, sheet_name='指标收益率')
print('{0} {1} 保存成功'.format(symbol, stock_name))
return True
def batch_stocks_indicator_gains_to_xlsx(stocks_df, save_dir='./stock_indicator_gains/'):
stock_count = len(stocks_df)
p50 = max(stock_count//50, 2)
for i in range(0, len(stocks_df)):
symbol = stocks_df.loc[i]['代码']
need_sleep = 0.05
retry = 0
while retry < 3:
if retry > 0:
print('{0}秒后重试:{1}'.format(round(need_sleep, 1), retry))
time.sleep(need_sleep)
try:
need_sleep = 2+random.random()*3 if stock_indicator_gains_to_xlsx(symbol, save_dir) else 0.05
break
except Exception as e:
print('股票代码:{0} 保存失败'.format(symbol))
print(e)
# 出现失败要停止
need_sleep = 5+5*random.random()
finally:
retry += 1
print("\r", end="")
print("进度: {0}/{1}: ".format(i+1, stock_count), "▋" * (i // p50), end="")
sys.stdout.flush()
time.sleep(need_sleep)
def all_stocks_indicator_gains_to_xlsx(save_dir='./stock_indicator_gains/'):
print('获取沪A股票列表...')
sh_stocks_df = ak.stock_sh_a_spot_em()
print('获取沪A股票列表 完成')
print('获取深A股票列表...')
sz_stocks_df = ak.stock_sz_a_spot_em()
print('获取深A股票列表 完成')
print('计算保存沪A股票...')
batch_stocks_indicator_gains_to_xlsx(sh_stocks_df, save_dir)
print('计算保存沪A股票 完成')
print('计算保存深A股票...')
batch_stocks_indicator_gains_to_xlsx(sz_stocks_df, save_dir)
print('计算保存深A股票 完成')
if __name__ == '__main__':
# dividend_detail_df, hist_df, rights_issue_df = fetch_stock_dfs('600309', 2011, 2023)
# print(cal_stock_gains_riod('600309', 2011, 2023, dividend_detail_df=dividend_detail_df, hist_df=hist_df, rights_issue_df=rights_issue_df))
# print(cal_stock_gains('600309', 2011, 2023, dividend_detail_df=dividend_detail_df, hist_df=hist_df, rights_issue_df=rights_issue_df))
# all_stocks_gains_to_xlsx(2011, 2022)
# print(cal_stock_indicator_gains('600309'))
all_stocks_indicator_gains_to_xlsx()