app.py

import yfinance as yf
import streamlit as st
import pandas as pd
import datetime

st.write('''
# Simple Stock Price App
         Shown are the stock closing price and volume of GoJek
''')

#define the ticker symbol
tickerSymbol = 'GOTO.JK'

#get data on ticker 
tickerData = yf.Ticker(tickerSymbol)

today = datetime.date.today()
year_5 = today.year - 5

# date input
startdate = st.date_input("Start Date", datetime.date(year_5, 1, 1))
enddate = st.date_input('End Date', datetime.date.today())

# get the historical price for this ticker
tickerDF = tickerData.history(period='id', start=startdate, end=enddate)

# open high low close volume dividends stock splits
st.write('''
## Closing Price
         ''')
st.line_chart(tickerDF.Close)

st.write('''
## Volume Price
         ''')
st.line_chart(tickerDF.Volume)

# Add download button for CSV
csv_download_button = st.download_button(
    label="Download Data as CSV",
    data=tickerDF.to_csv().encode('utf-8'),
    file_name="stock_data.csv",
    mime="text/csv",
)

# Display the download button
st.write(csv_download_button)