Portfolio Analyzer

Track your investment portfolio with live stock prices, performance metrics, and allocation analysis.

Features

Live Stock Prices

• Real-time quotes from Financial Modeling Prep API
• Heavily cached with Upstash Redis (5-minute TTL)
• Auto-refresh option (1, 5, 10, or 30 minutes)
• Day change and percentage tracking

Performance Tracking

• Total portfolio value across all holdings
• Day change: Today’s gains/losses
• Total gain/loss: Since purchase (if cost basis provided)
• Return percentage: Performance relative to cost basis

Portfolio Allocation

• Visual pie chart showing percentage allocation
• Bar chart comparing holding values
• Instant rebalancing insights

Scenario Management

• Save multiple portfolio configurations
• Track different investment strategies
• Share portfolios publicly (optional)
• Import portfolios into other analyses

How to Use

1. Add Holdings: Enter stock symbol, number of shares, and optionally your cost basis
2. View Live Data: Prices update automatically from FMP API (cached for performance)
3. Analyze Allocation: See how your portfolio is distributed
4. Track Performance: Monitor daily changes and total returns
5. Save Scenarios: Save different portfolio configurations for comparison

Example Portfolios

Conservative Growth

• 40% VTI (Total Stock Market)
• 30% BND (Total Bond Market)
• 20% VNQ (Real Estate)
• 10% Cash/Money Market

Aggressive Tech

• 30% AAPL (Apple)
• 25% MSFT (Microsoft)
• 20% NVDA (Nvidia)
• 15% GOOGL (Google)
• 10% TSLA (Tesla)

Dividend Income

• 25% VYM (High Dividend Yield)
• 25% SCHD (Dividend Appreciation)
• 25% VIG (Dividend Growth)
• 25% Individual dividend stocks

Calculator

API & Caching

This tool uses:

• Financial Modeling Prep (FMP): Free tier provides 250 API calls/day
• Upstash Redis: Caches stock prices for 5 minutes
• Smart caching: Reduces API calls while keeping data fresh

To use this feature:

1. Get a free API key from financialmodelingprep.com 
2. Add FMP_API_KEY to your .env.local file
3. Upstash Redis is already configured

Integration with Other Tools

Portfolio scenarios can be imported into:

• Life Strategy Evaluator: Factor investment income into career decisions
• Retirement Calculator: Project portfolio growth over time
• Financial Independence: Calculate path to FI with current holdings

Tips

💡 Diversification: Aim for 15-30 individual holdings or use index funds (3-5 funds)

💡 Rebalancing: When one position exceeds target allocation by 5%, consider rebalancing

💡 Cost Basis: Always track your purchase price for accurate performance metrics

💡 Tax Efficiency: Consider tax-loss harvesting opportunities when holdings are down

⚠️ Not Financial Advice: This tool is for educational purposes. Consult a financial advisor for personalized guidance.