Decoding 0DTE Dealer Pinning: Why SPX Bounces at the Call Wall
Learn how high concentration of call open interest forces market makers to short underlying futures as price rallies into expiration.
Stop trading options blind. Uncover market maker pinning levels, Zero-Gamma volatility flips, and intraday 0DTE flow across SPX, QQQ, and SPY in sub-second latency.
Four powerful quantitative modules combined into a single dark-mode dashboard.
Track live 0DTE SPX/QQQ Gamma accumulation minute-by-minute as market makers hedge their delta exposure.
Aggregate dealer gamma into 10pt, 25pt, or 50pt clusters to identify major support walls and magnet strikes.
Analyze second-order implied volatility decay and time decay leading into major economic events.
Stream GEXLogic Zero-Gamma and Call/Put Wall levels directly onto your personal TradingView chart templates.
See how active options traders use GEXLogic to navigate market volatility.
"The Zero Gamma level on SPX is the single most accurate boundary line on my charts. Knowing whether market makers are long or short gamma completely changed how I trade 0DTE spreads."
"TradingView webhooks syncing Call and Put walls directly to my charts saved me 30 minutes of manual prep every morning. The sub-second streaming speed is unmatched."
"The Vanna Exposure heatmap ahead of FOMC days gives our desk a huge edge. Knowing where dealers will be forced to buy back hedges as IV drops is pure gold."
Learn how high concentration of call open interest forces market makers to short underlying futures as price rallies into expiration.
Discover how implied volatility crush triggers rapid dealer delta buying regardless of macroeconomic news outcomes.
Step-by-step guide to configuring real-time Zero Gamma flip triggers directly into your automated execution algorithms.
Everything you need to know about GEXLogic metrics, streams, and billing.