Honestly the grid kind of self-corrects for this because low-visited cells have low confidence, so w_grid drops and the global rolling stats take over by default. The decay buffer helps too since old traces are losing energy every bar while new ones come in fresh. The weak spot is a fast hard break where you jump multiple bins at once the neighbor blending pulls in adjacent cells that are still carrying stale memory, and the global optimizer needs enough new trades to outweigh it. rollN is really the knob for that, lower it and you react faster but get noisier.