sector-analysis.py

import yfinance as yf
import pandas as pd

# Define tickers by sector
sectors = {
    'Technology': ['AAPL', 'MSFT', 'GOOGL'],
    'Healthcare': ['JNJ', 'PFE', 'MRK'],
    'Consumer Discretionary': ['AMZN', 'TSLA', 'MCD']
}

# Define a dictionary to hold our data
sector_performance = {}

# Fetch YTD performance for each stock and calculate average sector performance
for sector, tickers in sectors.items():
    # Fetch data
    data = yf.download(tickers, period='ytd')['Adj Close']

    # Calculate YTD return
    ytd_returns = data.pct_change().sum()

    # Calculate average performance of the sector
    sector_performance[sector] = ytd_returns.mean()

# Convert to DataFrame for better visualization
sector_performance_df = pd.DataFrame(list(sector_performance.items()), columns=['Sector', 'Average YTD Return'])

print(sector_performance_df)