Preparation · Stage 3 of 5 — Stress-test
Walk-forward test
The honest way to catch a curve-fit. It tunes the strategy on the past, then tests those settings on the slice of history it was never chosen on — and shows how much of the tuned edge actually survived. The gap between the two is the hindsight you can't use.
Deep analytics · Prove
Does the edge survive on data it never saw?
Walk-forward is a gold-standard test serious desks use and most retail tools skip: tune on the past, test on the unseen future, and measure the decay. It's part of Deep analytics, in the Prove room.