What is GEX (gamma exposure)?

An estimate of the hedging option dealers have to do as the index moves, summed over every strike from open interest and option gamma (gamma × open interest × 100 × spot² × 1%). The usual naive convention is used: dealers are long calls and short puts, so calls count as positive and puts as negative. Net GEX is shown in billions of dollars per 1% move, for all expiries and for 0DTE (options expiring today) separately.

What is zero gamma (the flip)?

The index level where aggregate net GEX changes sign, found by recomputing every option’s gamma on a grid of prices around the current spot; when there are several crossings the one nearest spot is used. It is the line between the two regimes.

What is the call wall?

The strike with the largest positive net gamma exposure. Dealer hedging tends to sell into rallies near it, so it often acts as resistance or a magnet.

What is the put wall?

The strike with the most negative net gamma exposure. It often acts as support, and a break below it can speed a sell-off up.

What does the gamma regime mean?

Positive gamma (price above zero gamma): dealers hedge against the move, buying dips and selling rips, so price tends to be mean-reverting with tighter ranges. Negative gamma (price below zero gamma): dealers hedge with the move, so price tends to trend and ranges expand. The badge shows all expiries on the left and 0DTE on the right; they can disagree.

Where does the GEX data come from?

Free, delayed (about 15 minutes) CBOE option chains for SPX and QQQ. Strikes are converted to ES and NQ futures prices at run time: ES with an additive SPX basis, NQ with the NQ / QQQ ratio. The cards show futures prices large and the index price beneath; the GEX Levels Live string stays in index terms and converts on the chart.

When are Scott's GEX Levels published?

Levels are computed at 09:07 ET (before the RTH cash open) and 17:37 ET (for the Globex evening session), Monday to Friday. Each date has at most one official RTH and one official Globex session; manual reruns are not listed.

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Gamma exposure · ES / NQFree · twice a trading day · about 09:10 and 17:40 ET

Scott’s GEX Levels

ES and NQ gamma exposure levels, published twice a trading day from CBOE options data

RTH

Monday 19 October 202609:07 ET

From the archiveBack to latest

ES and NQ levels for the Mon 19 Oct 2026 RTH session.

ES

E-mini S&P 500 · SPX options

SPX: 7,659.44
ES live: 7,736.25

All expiriesNegative gammatrending

0DTENegative gammatrending

Zero Gamma7,757.00SPX 7,720.36

Call Wall8,136.50SPX 8,100

Put Wall7,686.50SPX 7,650

0DTEFlip 7,750.75Call 7,741.50Put 7,686.50

Net GEX−31.06bn all−7.98bn 0DTE

Show string

GEX Levels Live · index prices

8100,Call Wall;7650,Put Wall | 0DTE Put Wall;7720.36,Zero Gamma;7900,G+2;8050,G+3;7600,G-2;7500,G-3;7705,0DTE Call Wall;7714.08,0DTE Zero Gamma;7700,0DTE G+2;7685,0DTE G+3;7630,0DTE G-2;7640,0DTE G-3

Fixed conversion · futures prices

8136.5,Call Wall;7686.5,Put Wall | 0DTE Put Wall;7757,Zero Gamma;7936.5,G+2;8086.5,G+3;7636.5,G-2;7536.5,G-3;7741.5,0DTE Call Wall;7750.75,0DTE Zero Gamma;7736.5,0DTE G+2;7721.5,0DTE G+3;7666.5,0DTE G-2;7676.5,0DTE G-3

NQ

E-mini Nasdaq-100 · QQQ options

QQQ: 719.04
NQ live: 29,743.75

All expiriesNegative gammatrending

0DTEPositive gammamean-reverting

Zero Gamma29,715.00QQQ 727.25

Call Wall31,053.00QQQ 760

Put Wall28,601.50QQQ 700

0DTEFlip 29,307.50Call 29,296.25Put 29,010.25

Net GEX−5.15bn all+0.26bn 0DTE

Show string

GEX Levels Live · index prices

760,Call Wall;700,Put Wall | 0DTE G-3;727.25,Zero Gamma;740,G+2;770,G+3;710,G-2 | 0DTE Put Wall;690,G-3;717,0DTE Call Wall;717.28,0DTE Zero Gamma;725,0DTE G+2;722,0DTE G+3;715,0DTE G-2

Fixed conversion · futures prices

31053,Call Wall;28601.5,Put Wall | 0DTE G-3;29715,Zero Gamma;30236,G+2;31461.75,G+3;29010.25,G-2 | 0DTE Put Wall;28193,G-3;29296.25,0DTE Call Wall;29307.5,0DTE Zero Gamma;29623,0DTE G+2;29500.5,0DTE G+3;29214.5,0DTE G-2

SPX chain 13:06 ET · ES = SPX + 36.56 · QQQ chain 13:06 ET · NQ = QQQ × 40.8593 · 0DTE expiry 2026-10-19

On Monday 19 October 2026 (RTH session, 09:07 ET), ES zero gamma was 7757, call wall 8136.5, put wall 7686.5; all-expiry gamma regime negative, 0DTE negative. Net GEX was -31.06 billion across all expiries and -7.98 billion for 0DTE; SPX was 7659.44 and ES futures 7736.25.

On Monday 19 October 2026 (RTH session, 09:07 ET), NQ zero gamma was 29715, call wall 31053, put wall 28601.5; all-expiry gamma regime negative, 0DTE positive. Net GEX was -5.15 billion across all expiries and 0.26 billion for 0DTE; QQQ was 719.04 and NQ futures 29743.75.

How to use

TradingView, about a minute

Add the indicator
In TradingView open Indicators, find GEX Levels Live and add it to your ES or NQ chart.
Open its settings
Double-click the indicator name on the chart (or the gear icon) to open the Inputs tab.
Paste the string
Press Copy for GEX Levels Live on this page, paste it into the Levels box and press OK.

One string per symbol: copy ES for an ES chart and NQ for an NQ chart. The fixed-conversion string is for the older GEX Levels indicators that expect futures prices.

Don’t have the GEX Levels Live indicator? Here is how to build your own.

Methodology and glossary

What the numbers mean

Read the methodology

GEX (gamma exposure): An estimate of the hedging option dealers have to do as the index moves, summed over every strike from open interest and option gamma (gamma × open interest × 100 × spot² × 1%). The usual naive convention is used: dealers are long calls and short puts, so calls count as positive and puts as negative. Net GEX is shown in billions of dollars per 1% move, for all expiries and for 0DTE (options expiring today) separately.
Zero gamma (flip): The index level where aggregate net GEX changes sign, found by recomputing every option’s gamma on a grid of prices around the current spot; when there are several crossings the one nearest spot is used. It is the line between the two regimes.
Call wall: The strike with the largest positive net gamma exposure. Dealer hedging tends to sell into rallies near it, so it often acts as resistance or a magnet.
Put wall: The strike with the most negative net gamma exposure. It often acts as support, and a break below it can speed a sell-off up.
Regime: Positive gamma (price above zero gamma): dealers hedge against the move, buying dips and selling rips, so price tends to be mean-reverting with tighter ranges. Negative gamma (price below zero gamma): dealers hedge with the move, so price tends to trend and ranges expand. The badge shows all expiries on the left and 0DTE on the right; they can disagree.
Data source: Free, delayed (about 15 minutes) CBOE option chains for SPX and QQQ. Strikes are converted to ES and NQ futures prices at run time: ES with an additive SPX basis, NQ with the NQ / QQQ ratio. The cards show futures prices large and the index price beneath; the GEX Levels Live string stays in index terms and converts on the chart.
Schedule: Levels are computed at 09:07 ET (before the RTH cash open) and 17:37 ET (for the Globex evening session), Monday to Friday. Each date has at most one official RTH and one official Globex session; manual reruns are not listed.

ES and NQ levels for the Mon 19 Oct 2026 RTH session.

How to use

Add the indicator

Open its settings

Paste the string

Methodology and glossary