Free CMCSA GEX - Live Comcast Gamma Exposure
Free CMCSA GEX maps modeled gamma exposure across Comcast options. Select expirations to compare the call wall, put wall, gamma flip, and strike-level exposure around advertising demand, subscriber activity, content spending, and product changes.
How to use the CMCSA GEX tool
Search CMCSA
CMCSA 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
CMCSA GEX levels in detail
Data as of
Spot
$24.28
Call wall
$25
3.0% above spot
Put wall
$18.50
23.8% below spot
Gamma flip
$20.83
14.2% below spot
Net GEX
$319K
positive gamma
Largest gamma by strike
- $25 $177K
- $26 $79K
- $18.50 -$79K
- $24 $59K
- $23 $57K
Since the previous session (Nov 6)
- Spot down 0.5% ($24.41 to $24.28)
- Call wall unchanged at $25
- Put wall unchanged at $18.50
- Net GEX $195K to $319K
Reviewed by the QuantWheel research team. Modeled from listed CMCSA options data; not observed dealer inventory and not a forecast. Read how we compute CMCSA GEX levels.
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Want to compare strikes across expirations? View the CMCSA GEX heatmap.
Understanding CMCSA gamma exposure
The business exposure behind CMCSA includes cable and satellite. That connects the options chain with advertising demand, subscriber activity, content spending, and product changes. Compare the positive and negative GEX bars by strike instead of reading one wall without the rest of the selected profile.
For CMCSA, 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 Comcast will trade.
New to the concept? Start with our guides to gamma in options and the options Greeks.
CMCSA GEX methodology and limitations
QuantWheel calculates CMCSA 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.
CMCSA GEX FAQ
What is CMCSA GEX?
CMCSA GEX estimates gamma exposure across listed CMCSA options using option gamma and open interest. It helps you compare how modeled exposure is distributed by strike and expiration. CMCSA GEX does not reveal actual dealer positions or predict where CMCSA will trade.
How do I read the CMCSA call wall and put wall?
QuantWheel labels the CMCSA call wall as the strike with the largest positive modeled GEX and the CMCSA put wall as the strike with the largest negative modeled GEX in your selected data. Compare both with the CMCSA price and expiration choices. They are reference levels, not guaranteed support or resistance.
What is the CMCSA gamma flip?
The CMCSA gamma flip is the price where modeled net gamma crosses zero for the selected CMCSA options data. Compare it with the current price and the shape of the strike chart. The CMCSA gamma flip is a model output, not a trading signal.
Which expirations should I use for CMCSA GEX?
Start with the nearest CMCSA expiration to study short-dated positioning, then add later expirations to compare a broader part of the options chain. Each selection changes which CMCSA contracts are included, so compare one expiration with a combined view before drawing conclusions.
Is the CMCSA GEX calculator free?
Yes. You can run up to three free CMCSA 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.