Neighborhood stability atlas · open historical grid

Plateau or needle?

A robust formula should survive small parameter changes. Each cell shows win-rate uplift versus the same no-order-flow baseline.

■ Robust

Plateau

small moves ≈ small change
■ Shape

Neighborhood surface

broad ridge vs isolated spike
Largest stable component
233 configs
All stable configurations
455 / 46,080
Chosen historical uplift
+10.9 pp
Retained trades
46
Historical discovery evidence only. The selected ES and NQ medoids failed the later April–May confirmation block.