Python으로 매달 100달러 투자 계산

import yfinance as yf
from datetime import datetime
import pandas as pd
import numpy as np

def stockCalc(stock, start_date):

   # Download stock data
   data = yf.download(stock, start=start_date)

   # Use 'Adj Close' for calculation to account for stock splits and dividends
   data_monthly = data['Adj Close'].resample('M').last()

   # Calculate monthly investments
   investments = 100 # USD
   portfolio = sum([investments / data_monthly[i] for i in range(len(data_monthly))])

   # Calculate outcome
   final_amount_of_stocks = portfolio * data_monthly[-1]
  
   print("Investments of 100$ monthly in "+stock+" since "+ start_date +", until now, you get : ",  f'{final_amount_of_stocks:.2f}',"$")

lst='''
TSLA
AAPL
MSFT
QQQ
SPY
PEP
O
KO
SCHD
JEPI
QQQM
'''
t = lst.split('\n')

if __name__ == "__main__":

   for itm in t:
      if( len(itm) > 0):
         stockCalc(itm, '2004-12-31')

--------------------

 

2004.12월 부터 매월 100달러씩 투자한 결과이다. (2004.12월 ~ 23,6월)

2004년 12월에 존재하지 않은 주식도 있는 것 같다.  그런 주식은 주식 상장일부터 계산되었을 것 같다.