The expected move is the ±1σ range the options market is pricing for the session — the day's realistic playing field, derived from the at-the-money straddle. Roughly two-thirds of days stay inside it, which is exactly what makes its edges tradeable.

The setup

On a calm, positive-gamma day, price pushes toward the edge of the expected-move band — the upper or lower boundary. Since most days don't exceed the band, reaching its edge is a statistically stretched spot, and dealer hedging tends to lean against further extension. You're fading the low-probability continuation, betting on reversion back toward the middle.

Entry, target, stop

Entry: a rejection at the band edge — price tags the boundary and stalls (buy puts at the upper edge, calls at the lower). It's strongest when the edge coincides with a wall. Target: back toward gravity / the middle of the range. Stop: a decisive break beyond the band — if price accepts a move outside the expected range, today is an above-average day and the fade is wrong.

Most days respect their expected move. Fading the edge is trading with that statistic — and honoring the stop when the day is an exception.

When to skip

Skip it in negative gamma or on a confirmed trend day — those are the one-in-three sessions that do exceed the expected move, and fading them is stepping in front of the train. The band is a probability, not a wall; when the regime says a big move is likely, the edge is a target to ride toward, not fade. NoVo draws the expected-move band with the walls so you can see whether the edge is defended.