# Audit discipline

VF004 · Volatility forecasting and options · Lesson 4 of 8. Eight interactive steps, each with its own guided explanation.

Same model, same data, four very different scores. Look-ahead, proxy choice and test windows: the checks that prove a vol model is real.

Every step uses real market data. This is education about models and their assumptions, not financial advice.

Canonical page: https://21ifm.com/quant/volatility/audit-discipline

## Explore

- [Volatility forecasting and options: the eight-lesson path](https://21ifm.com/quant/volatility)
- [Advanced Volatility Forecasting: Classical vs AI bootcamp](https://21ifm.com/workshops/volatility-forecasting)