stock data app - hm-3

Author: TorresjDev

stock-data-app/main.py

@@ -0,0 +1,73 @@
+from datetime import date, datetime
+import time
+import streamlit as st
+import yfinance as yf
+
+# Display a styled title in HTML format
+st.header("Stock Price App.")
+st.subheader("Jesus Torres")
+st.write("""
+    Reference:
+    - Streamlit Framework: https://streamlit.io
+    - Streamlit Documentation: https://docs.streamlit.io/library/api-reference
+    - yfinance Package: https://aroussi.com/post/python-yahoo-finance
+    - yfinance Documentation: https://ranaroussi.github.io/yfinance/index.html
+    """)
+
+# Brief description of the app's purpose
+st.write("This app retrieves stock data from Yahoo Finance API and displays it in a user-friendly format.")
+
+# Define a list of popular stock symbols
+stock_list = ['MSFT', 'AAPL', 'AMZN', 'GOOGL',
+              'TSLA', 'META', 'NFLX', 'NVDA', 'PLTR',]
+
+# Create a dropdown menu for selecting a stock
+stock_name = st.selectbox('Select a stock to check', options=stock_list)
+
+# Input for selecting the start date of stock data, default is January 1, 2024
+start_date = st.date_input('Start Date', datetime(2024, 1, 1))
+# Input for selecting the end date of stock data, default is today
+end_date = st.date_input("End Date")
+
+# Store today's date for validation
+today = date.today()
+
+
+def stream_summary(summary):
+    for word in summary.split(" "):
+        yield word + " "
+        time.sleep(0.02)  # Simulate a delay for streaming effect
+
+
+# Action to retrieve stock data when the 'Submit' button is clicked
+if st.button('Submit'):
+    # Check if selected dates are valid (not in the future)
+    if (start_date > today) or (end_date > today) or (start_date > end_date):
+        st.warning("Please select a valid date period.")
+    else:
+        # Get data for the selected stock from yfinance API
+        stock = yf.Ticker(stock_name)
+
+        # Get stock information
+        stock_info = stock.get_info()
+
+        # Retrieve historical data between selected dates
+        stock_history = stock.history(start=start_date, end=end_date)
+
+        # Display Stock information
+        st.header(
+            f"****Stock Name: {stock_info['longName']}**** ({stock_info['symbol']})")
+        st.subheader(f" **Sector:** {stock_info['sector']}")
+        st.subheader(f"**Industry:** {stock_info['industry']}")
+        # Display stock business summary using write_stream for better formatting
+        st.subheader("Business Summary:")
+        st.write_stream(stream_summary(stock_info['longBusinessSummary']))
+
+        st.write("**Raw Data of Stock Price**")
+        # Display raw data of stock price
+        st.dataframe(stock_history)
+        # Plot stock price data (Open, High, Low, Close)
+        st.line_chart(stock_history, y=['Open', 'High', 'Low', 'Close'])
+
+        # Display a success message upon completion
+        st.success('Done')