Start with gamma
Gamma describes how delta changes as the underlying price changes. It is a sensitivity, not a directional forecast.
OPTIONS GAMMA FIELD GUIDE · 2026
Gamma Exposure Explained
Gamma Exposure Explained is a ScriptMasterLabs field guide that reads gamma dashboards as estimates with assumptions — covering what option gamma measures, how dealer-position assumptions enter GEX models, gamma flips, pinning, acceleration, and where public open-interest data can mislead — built from sources buyers can inspect, including the Cboe Options Institute and the OCC disclosure document.
Gamma exposure explained in plain language: dealer positioning assumptions, gamma concentration, pin risk, acceleration and the limits of public GEX estimates.
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THE OUTCOME
How should I read gamma dashboards?
Read gamma dashboards as estimates with assumptions — not as a map of guaranteed market behavior.
Use this guide to: Read gamma exposure estimates, dealer-hedging assumptions, gamma flips and pinning scenarios.
WHAT YOU WILL LEARN
What will I learn in this field guide?
This compact, evidence-first field guide covers what option gamma measures and why it changes near expiration, how dealer-position assumptions enter common GEX models, how traders discuss gamma flips, pinning and acceleration, and where public open-interest data and simplified models can mislead.
- What option gamma measures and why it changes near expiration
- How dealer-position assumptions enter common GEX models
- How traders discuss gamma flips, pinning and acceleration
- Where public open-interest data and simplified models can mislead
INSIDE THE GUIDE
What practical concepts and decision checks are inside?
Four practical concepts: start with gamma as a sensitivity rather than a directional forecast, expose the assumptions behind public GEX estimates, treat large strike concentrations as context, and use scenario language for positive or negative gamma.
Expose the assumptions
Public GEX estimates generally combine open interest with pricing assumptions and a view of who is long or short. Different models can disagree.
Treat levels as context
Large strike concentrations may matter, especially near expiration, but price, volatility, liquidity and news can dominate. Squeeze traders watch these levels every morning — see Squeeze Wire.
Use scenario language
Frame positive or negative gamma as a conditional market-mechanics scenario rather than a certain outcome. Prediction markets price scenarios directly — see the Robinhood prediction market API.
PRIMARY SOURCES
Which sources is the guide built from?
The PDF includes source notes. These public references provide the governing background and current official context.
Cboe Options Institute →OCC options disclosure document →FAQ
What should I know before I buy?
Before you buy: a gamma flip is an estimated level where modeled aggregate gamma changes sign, high gamma does not guarantee pinning, and this is an educational guide to interpreting gamma concepts — not a trading signal service.
What is a gamma flip?
It is an estimated level where modeled aggregate gamma changes sign. The result depends on data and assumptions.
Does high gamma guarantee pinning?
No. Pinning is a possible behavior, not a guarantee, and other flows can overwhelm hedging effects.
Is this a trading signal service?
No. It is an educational guide to interpreting gamma concepts and model limitations.
How do I get the PDF?
One-time purchase. Stripe Checkout redirects to the purchased PDF after successful payment.
Buy Gamma Exposure Explained — $19Educational information only. No personalized investment, legal, tax, regulatory, cybersecurity or business advice. No ranking, citation, performance or financial outcome is guaranteed.
What is included in this PDF?
4 pages in a fixed-layout PDF: Dealer hedging, gamma flips, pinning and model assumptions. This is a compact field guide with review checks and source notes.