Free CAT GEX - Live Caterpillar Gamma Exposure
Free CAT GEX helps you examine modeled Caterpillar gamma exposure by strike. Select one or more expirations to compare net GEX, the call wall, the put wall, and the gamma flip around project demand, backlog, labor availability, and material costs.
How to use the CAT GEX tool
Search CAT
CAT 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
CAT GEX levels in detail
Data as of
Spot
$686.50
Call wall
$685
0.2% below spot
Put wall
$687.50
0.1% above spot
Gamma flip
$782.98
14.1% above spot
Net GEX
-$13K
negative gamma
Largest gamma by strike
- $687.50 -$3K
- $700 -$2K
- $690 -$2K
- $680 -$2K
- $685 -$669
Since the previous session (Oct 22)
- Spot down 2.4% ($703.47 to $686.50)
- Call wall $690 to $685
- Put wall $700 to $687.50
- Net GEX -$10K to -$13K
Reviewed by the QuantWheel research team. Modeled from listed CAT options data; not observed dealer inventory and not a forecast. Read how we compute CAT GEX levels.
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Want to compare strikes across expirations? View the CAT GEX heatmap.
Understanding CAT gamma exposure
Caterpillar is classified in Construction Machinery and Heavy Transportation Equipment within Industrials. CAT options can respond to company earnings and changes in project demand, backlog, labor availability, and material costs. Use the GEX chart to see whether modeled positive and negative exposure is concentrated at a few strikes or spread across the selected chain.
New to the concept? Start with our guides to gamma in options and the options Greeks.
CAT GEX methodology and limitations
QuantWheel calculates CAT 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.
CAT GEX FAQ
What is CAT GEX?
CAT GEX estimates gamma exposure across listed CAT options using option gamma and open interest. It helps you compare how modeled exposure is distributed by strike and expiration. CAT GEX does not reveal actual dealer positions or predict where CAT will trade.
How do I read the CAT call wall and put wall?
QuantWheel labels the CAT call wall as the strike with the largest positive modeled GEX and the CAT put wall as the strike with the largest negative modeled GEX in your selected data. Compare both with the CAT price and expiration choices. They are reference levels, not guaranteed support or resistance.
What is the CAT gamma flip?
The CAT gamma flip is the price where modeled net gamma crosses zero for the selected CAT options data. Compare it with the current price and the shape of the strike chart. The CAT gamma flip is a model output, not a trading signal.
Which expirations should I use for CAT GEX?
Start with the nearest CAT expiration to study short-dated positioning, then add later expirations to compare a broader part of the options chain. Each selection changes which CAT contracts are included, so compare one expiration with a combined view before drawing conclusions.
Is the CAT GEX calculator free?
Yes. You can run up to three free CAT 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.