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Free for 1,000-iteration Monte Carlo runs. Pro unlocks 50,000 and fat-tail modeling.
What runs the simulation
The engine
Marsaglia Polar Method
Gaussian sampling without trig calls
Skewed Student-t (Fernandez-Steel)
Fat-tailed returns, not Gaussian averages
Cholesky 3x3 decomposition
Correlated stocks / bonds / alternatives
Damodaran 1928 - 2025 dataset
Real S&P 500 + 10Y Treasury history for backtests