Free IEX GEX - Live IDEX Gamma Exposure
Free IEX GEX maps modeled gamma exposure across IDEX options. Select expirations to compare the call wall, put wall, gamma flip, and strike-level exposure around orders, production, capital spending, and end-market demand.
How to use the IEX GEX tool
Search IEX
IEX is already entered. Keep it or enter another ticker, then select Search.
Select expirations
Choose one or more expiration dates to include.
Generate GEX
Select Generate GEX to view the chart and key levels.
Run up to 3 free GEX calculations per day.
What is Gamma Exposure (GEX)?
Gamma Exposure represents the sensitivity of an option's delta to changes in the underlying price. Market makers hedge their gamma exposure, creating support/resistance at high GEX strikes.
Key Levels:
- Call Wall: Strike with highest positive GEX (resistance)
- Put Wall: Strike with the largest put GEX, shown as the deepest negative bar (support)
- Gamma Flip: Where total GEX changes from negative to positive
Positive GEX: Market makers sell into rallies, buy into dips (stabilizing).
Negative GEX: Market makers buy into rallies, sell into dips (amplifying moves).
Select a ticker and expiration date, then click Generate GEX to see the analysis
Key levels
IEX GEX levels in detail
Data as of
Spot
$234.90
Call wall
$240
2.2% above spot
Put wall
$230
2.1% below spot
Gamma flip
$219.79
6.4% below spot
Net GEX
$1K
positive gamma
Largest gamma by strike
- $240 $916
- $250 $165
- $230 $103
- $210 -$5
- $200 -$4
Since the previous session (Oct 8)
- Spot up 0.3% ($234.21 to $234.90)
- Call wall unchanged at $240
- Put wall unchanged at $230
- Net GEX $1K to $1K
Reviewed by the QuantWheel research team. Modeled from listed IEX options data; not observed dealer inventory and not a forecast. Read how we compute IEX GEX levels.
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Understanding IEX gamma exposure
IEX provides options exposure to IDEX, which operates in industrial machinery and supplies and components. Earnings and shifts in orders, production, capital spending, and end-market demand can change option pricing and open interest. The GEX chart shows how modeled exposure is distributed for the contracts and expirations you include.
For IEX, compare a single expiration with a combined view before interpreting the call wall, put wall, or gamma flip. Changes in open interest and the contracts selected can shift the modeled profile. These levels describe the selected options data and do not predict where IDEX will trade.
New to the concept? Start with our guides to gamma in options and the options Greeks.
IEX GEX methodology and limitations
QuantWheel calculates IEX GEX from the selected expirations, available options data and the formula displayed in the calculator. The result summarizes modeled gamma exposure by strike.
GEX is a model output, not observed dealer inventory or a price forecast. Open interest does not identify who owns an option, and the displayed call wall, put wall and gamma flip can change when the inputs or selected expirations change.
IEX GEX FAQ
What is IEX GEX?
IEX GEX estimates gamma exposure across listed IEX options using option gamma and open interest. It helps you compare how modeled exposure is distributed by strike and expiration. IEX GEX does not reveal actual dealer positions or predict where IEX will trade.
How do I read the IEX call wall and put wall?
QuantWheel labels the IEX call wall as the strike with the largest positive modeled GEX and the IEX put wall as the strike with the largest negative modeled GEX in your selected data. Compare both with the IEX price and expiration choices. They are reference levels, not guaranteed support or resistance.
What is the IEX gamma flip?
The IEX gamma flip is the price where modeled net gamma crosses zero for the selected IEX options data. Compare it with the current price and the shape of the strike chart. The IEX gamma flip is a model output, not a trading signal.
Which expirations should I use for IEX GEX?
Start with the nearest IEX expiration to study short-dated positioning, then add later expirations to compare a broader part of the options chain. Each selection changes which IEX contracts are included, so compare one expiration with a combined view before drawing conclusions.
Is the IEX GEX calculator free?
Yes. You can run up to three free IEX GEX calculations per day on the public tool. After using those calculations, continue for free in the GEX demo. Check the current QuantWheel pricing page for plan access details.