167 views 22 Oct 2025

About this Tool

Explore how your portfolio could grow over time with Monte-Carlo simulations. Enter your contributions, expected returns, volatility, fees and investment horizon to view realistic projections, risk bands and probability-based outcomes.

Tool

📈 Investment Portfolio Growth Simulator (Monte-Carlo)

💰 Portfolio Growth Simulator

Investment Parameters

Currency:

£ (GBP) $ (USD)

Initial Investment *

Monthly Contribution *

Investment Period (Years) *

Risk and Return

Average Annual Return (%) *

This is the expected yearly growth before inflation. Use a historical average (e.g., 8% is typical for a globally diversified stock portfolio).

Annual Volatility (%) *

Number of Simulations

Fixed at 1000 for performance.

Projected Outcomes

Click "Run Simulation" to see the projected portfolio paths.

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Investment Portfolio Growth Simulator | Monte-Carlo Forecast Tool

💰 Portfolio Growth Simulator

Investment Parameters

Risk and Return

Projected Outcomes