# Walk-forward

How often it survived when it was always tested into the future.

## Pass level

- Settings are chosen on: 3 years
- Then tested on the next: 1 year
- Each window starts later by: 1 year
- Windows needed: at least 3
- Windows that must pass: at least 60%

Thresholds version 1.19.0

A test that stops at this check reads Killed at the expensive tier.

- [Forge help ↗](https://oathra.app/en/forge/methods#walk-forward)