Stop guessing.
Backtest it.
What if you had invested $10,000 in the S&P 500 ten years ago?
Test investment strategies against real historical data. No spreadsheets, no guesswork — just answers.
How it works
Pick your portfolio
Choose from templates like the classic 60/40 or build your own mix of stocks, bonds, and ETFs.
Set the time range
Go back 5 years, 10 years, or test through specific events like COVID or the 2008 crisis.
See what would have happened
Get your returns, risk metrics, and an equity chart — with optional benchmark comparison.
A $10,000 investment in the S&P 500 in January 2015
would be worth roughly $33,400 today — a 234% return.
But it also dropped 34% in a single month during COVID.
Could you have done better? Could you have slept easier? Find out.
What you'll get
Equity curve
Watch your portfolio grow (or shrink) day by day over the entire period.
Risk metrics
Sharpe ratio, max drawdown, volatility — explained in plain English.
Benchmark comparison
See how your strategy stacks up against the S&P 500 or any index.
Drawdown analysis
Know exactly when and how badly your portfolio would have fallen.
Your future self will thank you for testing first.
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