Portfolio Calculator

Analyze portfolio allocation, weighted average return, and P&L for up to 10 holdings.

Stock / Asset NamePurchase PriceCurrent PriceShares HeldWeightReturnP&L
29.2%+30.00%+2,250
37.8%+50.00%+4,200
33.0%+175.00%+7,000

Portfolio Allocation

AAPL
29.2%
MSFT
37.8%
NVDA
33.0%
Total Invested₩19,900
Current Portfolio Value₩33,350
Total P&L+₩13,450
Weighted Average Return+67.59%

📖How to Use the Portfolio Calculator

1Add Your Holdings

Enter the name, purchase price, current price, and number of shares for each position. Add up to 10 holdings.

2Review Results

Each holding shows its portfolio weight (%), individual return rate, and P&L. The donut chart displays the allocation breakdown.

3Weighted Average Return

This is the true portfolio return weighted by investment amount — more meaningful than a simple average of individual returns.

💡Use Cases

Aggregate P&L across multiple holdings
Check current allocation vs. target for rebalancing
Visualize portfolio diversification

Frequently Asked Questions

What is portfolio rebalancing?

Rebalancing means adjusting holdings back to target weights. Example: if stocks rise from a 60% target to 70%, you sell some stocks to restore the 60/40 stock-bond balance.

Portfolio Calculator