Google Sheets Investment Dashboard

I need a Google Sheets investment dashboard to track stock prices and analyze my investments against global indices.

Requirements:
- Real-time stock price updates from Yahoo Finance
- Multiple data sources integration for various brokers
- Track key metrics:
- Price change percentage
- Dividend yield
- Compare investments with all global indices (S&P 500, NASDAQ, Dow Jones, etc.)

Ideal Skills:
- Google Sheets expertise
- Experience with real-time data integration
- Financial data analysis

Please provide examples of similar work done.