Knowledge Center
Master the mechanics behind every market move. From gamma exposure fundamentals to advanced dealer positioning strategies.
Why 0DTE Options Changed Market Structure
Zero-day-to-expiration (0DTE) options have transformed US equity index market structure by concentrating gamma and charm into the current session, making dealer hedging flows the dominant driver of intraday price action in SPX and SPY.
ChartGEX vs. SpotGamma, MenthorQ, and Unusual Whales: An Honest Comparison
A factual, use-case driven comparison of SpotGamma, MenthorQ, Unusual Whales, and ChartGEX, written by ChartGEX with methodology transparency and trade-offs clearly disclosed so traders can choose the right options-analytics platform for their style.
How ChartGEX Detects Dealer Structure: An Open Methodology
A fully disclosed, end-to-end walkthrough of ChartGEX’s dealer-structure detection signal: six statistical features, a logistic combiner, correlation-aware Bonferroni correction, and volatility-regime conditioning, all calibrated into a continuous probability between 0 and 1.
Your First Trade with GEX: A Practical Workflow
Turn GEX concepts into a repeatable trading workflow. Learn how to use gamma regimes, walls, vanna, and charm as a structural filter that aligns your existing strategy with dealer flows.
How to Read the ChartGEX Dashboard in 5 Minutes
Learn how to read every key panel on the ChartGEX dashboard in under five minutes: gamma regime, structural levels, dealer flows, volatility, and dark pool signals—plus a simple pre-session checklist.
The Greeks Explained: Delta, Gamma, Vanna, and Charm
Learn how delta, gamma, theta, vanna, charm, and vega drive dealer hedging flows—and how ChartGEX visualizes these forces so you can read the options market like a professional.
Dealer Positioning: The Hidden Force Behind Every Price Move
Dealers (market makers) hedge options exposure in ways that mechanically push, pull, and stabilize price. This article explains who dealers are, how delta and gamma hedging work, and how ChartGEX visualizes these flows so you can trade with structure instead of hope.
What Is Gamma Exposure (GEX) and Why It Moves Markets
Gamma exposure (GEX) explains why markets often reverse, accelerate, or pin to specific prices. By tracking how dealers hedge options positions, GEX reveals where mechanical buying and selling pressures appear in the order book.
Options 101: The Building Blocks Every Trader Needs
A plain-language guide to the core options concepts that power gamma exposure, dealer positioning, and every ChartGEX dashboard.