ZeroSigma

ZerσSigma is a real-time options analytics platform built for traders who want a deeper understanding of dealer positioning, options exposure, and market structure. Explore strike-level exposure across SPX, SPY, QQQ, and NDX with interactive charts designed to help you identify important positioning concentrations and understand changes in the options landscape. **Features:** - Greek exposure analytics, including Gamma, Delta, Vega, Vanna, Charm, Theta, Speed, Vomma, and Zomma - Delta-adjusted Gamma Exposure (DA-GEX) - Vega Exposure (Vega-EX) and volatility sensitivity - Optional Low IV overlay for Gamma analysis - Net and Call/Put split views - Open-interest and volume-weighted exposure - Dealer Directional Open Interest (DDOI) - Interactive strike-level charts with zoom and inspection - Multiple symbols and 0DTE/1DTE expiration selection - Secure account-based access The iPhone app provides a streamlined way to monitor options positioning wherever you are, using the ZerσSigma analytics platform. Create an account to get started. Premium features require an eligible subscription. ZerσSigma provides market analytics for informational purposes and does not provide investment advice or trading recommendations. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/