The Option Alpha Podcast

Author: Kirk Du Plessis

At Option Alpha we are devoted to empowering traders with simple, powerful tools supported by world-class research and education. For far too long the options industry has been fragmented, lagging, and unnecessarily complex. By developing industry-first automation technology, enhancing data and information accessibility, and nurturing our thriving community at every level, Option Alpha is changing the way people trade options forever. Were more than just a software company; were leading a movement of traders at every level who are unlocking more freedom through improved and expanded options.
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Language: en

Genres: Business, Education, Investing

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237: 0DTE Trading & Gamma Exposure - Interview w/ Mat Cashman from OIC
Episode 237
Wednesday, 29 October, 2025

As an options trader, how closely should you be watching gamma and gamma exposure (GEX)? This episode will help you better understand gamma, interpret volatility, recognize inflection points, and build more context-aware strategies.Kirk sits down with Mat Cashman from the OIC to discuss gamma, explore how market makers hedge their positions, and why 0DTE options are so “gamma-rich.” Mat explains why hedging dynamics can create sharp market moves and how concepts like charm and convexity shape market behavior over the course of a single trading session. Then, we try to help traders understand how gamma can help them interpret volatility, recognize inflection points, and build more context-aware strategies.Watch the full interview here