Positive vs Negative Gamma Days: Two Markets, Two Playbooks

Most losing streaks are not a strategy problem. They are a calendar problem: running Monday’s playbook on Thursday’s market. The Nasdaq has two distinct personalities, set by the gamma regime, and every setup that prints money in one gets punished in the other. Here is the playbook for each, side by side.

First, know which day you are in

The regime comes from options positioning: above the hedge flip level, dealer hedging fights the move (positive gamma). Below it, hedging feeds the move (negative gamma). We publish the current NQ regime free every trading day on the daily levels page, so this part takes ten seconds.

The positive gamma playbook: trade the fade

Positive gamma days are range days. Dealers buy dips and sell rips mechanically, which compresses movement between the walls.

• What works: fading moves into the walls, mean reversion back toward the middle, patience at the edges of the range, and respecting the pin magnet in the afternoon.
• What gets punished: breakout entries. The push through a level attracts dealer flow against it, and the “breakout” is back inside the range before your fill settles.
• Mindset: boring and mechanical. The range is the trade. Fewer setups, higher quality, and flat is a position when price is mid-range.

The negative gamma playbook: respect the run

Negative gamma days are trend days waiting for a spark. Dealer hedging amplifies whatever starts: selling forces more selling, buying forces more buying.

• What works: going with momentum after levels break, trailing instead of target-and-done, and letting winners extend further than feels comfortable.
• What gets punished: fading. The “it has gone too far” trade is the account killer here, because in negative gamma there is no dealer flow waiting to save your fade. Support that would bounce on a positive day just breaks.
• Mindset: defensive on entries, aggressive on holds. Size down: ranges are wider and stops need room, which the sizing formula handles automatically.

The traders who get chopped

Regime-blind traders lose the same way every time: they fade a negative gamma trend into the ground, or they chase positive gamma breakouts that never follow through. Then they conclude the strategy is broken and go shopping for a new one, when the strategy was fine and the day was wrong. One glance at the regime before the open ends that cycle. The full picture, including the flip level itself and where the walls sit today, is what STS4x Pro members trade live every weekday at 9:30 AM ET.

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