# Brownian motion

SC002 · Stochastic Calculus · Chapter 2 of 6. Twelve interactive steps with a paced, recorded Coach–Zon conversation.

Understand independent increments, square-root scaling, rough paths and the difference between levels and returns.

Make a prediction, change a control, read the formula and explain what changed. This is a model-based mathematical lesson, not a forecast of market returns.

Canonical page: https://21ifm.com/quant/stochastic-calculus/brownian-motion

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