The same math banks use to price options and size risk. Each faint line is one simulated future for a stock; together they map the cone of uncertainty. Drag the dials, then read the odds a quant actually cares about — probability of profit, 95% Value-at-Risk, and the percentile fan.
Simulated price paths252 trading days · 1 year horizon
Start price S₀$100
Drift μ (annual)8%
Volatility σ (annual)18%
Horizon252d
Paths400
Distribution of outcomes at horizonterminal price Sₜ