A native macOS/iOS app that detects market turning points for SPY and QQQ using multi-factor analysis. Supports 4 languages: English, 简体中文, 繁體中文, 日本語 - Data sources support: Yahoo Finance (free), Tiger, Futu, LongPort (broker), Tradier, Massive.com, Databento (data vendors) - Turning-UP detection (bullish conditions) with confidence scoring - Turning-DOWN detection (exhaustion/overbought) for profit-taking - Market Sentiment Index (20-day, 7-component) - Portfolio risk analysis with options positions(need a broker account) - Per-stock regime detection with support/resistance levels - GEX, Put/Call walls, IV Rank, Expected Move - Adaptive UI for all screen sizes Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://feng-hui90.github.io/mktturning-pages/privacy-policy.html MktTurning uses an open-interest gamma model inspired by common market-structure methods. It estimates call/put walls, gamma imbalance, P/C, and squeeze context from available option-chain data. It does not use proprietary institutional flow or dealer inventory data