Gamma · call/put walls · dealer flows

0DTE & Options OI Levels

Index options levels for day traders: open interest walls, max pain, dealer gamma (GEX), the gamma flip, charm/vanna and 0DTE pinning — with an honest look at the limits.

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13 lessons, live charts and a quiz after every lesson. Your progress saves automatically in this browser.

Course modules

1Options Levels BasicsOI vs volume, strikes, 0DTE, and OI 'walls' as support/resistance.0% · 0/3 lessons

1.1Open Interest vs VolumeCompleted 1.2Strikes, 0DTE & Daily ExpirationsCompleted 1.3OI Walls as Support/ResistanceCompleted

2Dealer GammaHedging, the two gamma regimes, the gamma flip, and charm/vanna.0% · 0/4 lessons

2.1Dealer Hedging & GammaCompleted 2.2GEX & the Two RegimesCompleted 2.3The Gamma Flip & Vol TriggerCompleted 2.4Charm & VannaCompleted

30DTE & Using Levels0DTE pinning, using published levels, and max pain.0% · 0/3 lessons

3.10DTE Gamma & PinningCompleted 3.2Using Published LevelsCompleted 3.3Max PainCompleted

4Limits & RiskThe Cboe counter-evidence, modeling limits, instrument risk, and the exam.0% · 0/3 lessons

4.1The Honest LimitsCompleted 4.20DTE Instrument RiskCompleted 4.3Final ExamFinal examCompleted

How to use this course: work through the modules in order. Each lesson ends with a multiple-choice quiz that grades instantly and explains every answer. Educational only — none of this is trading advice.

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