FIRE Survival Simulation

⚠️ Disclaimer

This is a (probably buggy) simulation tool that may make assumptions that don't apply to your personal financial situation and should NOT be considered financial advice. Always consult with a qualified financial advisor for personalized investment guidance.

🪲 If you find a bug, please let me know so I can fix it!

📊 About This Tool

This 🔥 Monte Carlo simulation tool helps you estimate the likelihood of your portfolio lasting through retirement based on your spending, income, and asset allocation. It runs thousands of possible market scenarios to calculate your probability of success.

How to use: Enter your financial details below, adjust your asset allocation, and click "Run Simulation" or hit Enter to see the results. Use the advanced options to fine-tune market return assumptions.

Privacy: This app doesn't store any data, it is 100% client-side. Your financial details are processed locally in your browser, on your computer.

📝 Basic Parameters

Initial Portfolio ($) 💡 Your total investment value at retirement start

Annual Expenses ($) 💡 Your total annual expected living expenses at retirement start

Years to Simulate 💡 How many years of retirement to model

Simulation Settings

Inflation Rate (%)

Number of Simulations

Higher = more accurate but slower

Asset Return & Volatility

📈 Results

-

Success Rate

Based on - simulations

0% 100%

📁 Load Parameters

📜 Yearly Portfolio Values

Year	Bottom 50% Median	Overall Median	Top 50% Median