Free for everyone

GEX levels on your chart, free.

Turn on Gamma walls and the chart marks the call wall, the put wall and the gamma flip, with gamma at the biggest strikes. Right on the candles, on a free account.

No card needed. Gamma levels are free for US stocks and ETFs.

Dealer gamma

See where the dealers are.

Market makers hedge the options they sell. Where that hedging piles up, price often stalls or bounces. Gamma walls draws those places on the chart so you can plan around them.

  • Call wallThe strike with the most call gamma
  • Put wallThe strike with the most put gamma
  • Gamma flipWhere dealer gamma changes sign
GEX levels on a SPY chart with the call wall, put wall and gamma flip

Illustrative example, not a real trade.

How to turn it on

One switch in the Levels menu.

Open Levels on the chart toolbar (Chart settings on a phone) and switch on Gamma walls.

Gamma by strikeThe biggest strikes, calls in cyan and puts in violet. Bigger marks mean more gamma.
On the candlesLevels sit on the price scale you're already reading, not in a separate tool.
Next to dark pool and flowTurn on Dark pool and Option flow from the same menu.

GEX is a model of where hedging pressure sits, not an instruction. A wall can break. Levels are for US stocks and ETFs; futures and crypto charts don't have them.

FAQ

GEX levels on Alertsify.

Are GEX levels free on Alertsify?

Yes. Gamma walls are part of the free account for US stocks and ETFs. No card needed.

What is the call wall?

The strike with the most call gamma. Dealer hedging there can slow a move up.

What is the put wall?

The strike with the most put gamma. Dealer hedging there can slow a move down.

What is the gamma flip?

The price where dealer gamma changes from positive to negative. When the chain never changes sign, no flip is drawn.

How do I turn GEX on?

Open Levels on the chart toolbar, or Chart settings on a phone, and switch on Gamma walls.

Put the walls on your chart.

Free account. No card needed.

GEX levels are a model of dealer positioning, not advice or a prediction. Chart examples are illustrative, not real trades. Alertsify is a self-directed software tool and is not a registered investment adviser or broker-dealer. All trading involves risk.

GEX levels, freeNo card needed
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