Stock market analysis

Quadruple Witching refers to the four times a year when multiple contracts expire, triggering a surge in trading volume and volatility in U.S. markets. This article details its definition, mechanics, investment impacts, and common misconceptions to help you understand market anomalies.

A professional analysis of whether out-of-the-money options are worth trading, detailing 2025 high-leverage, low-cost strategy boundaries, risks, and SOP workflows to help advanced investors seize practical opportunities and avoid common pitfalls.

A detailed breakdown of option volume and open interest (OI), covering definitions, calculation methods, practical applications, and common pitfalls to help you master two core indicators of the options market.

A protective put can set a clear stop-loss floor for your stock investments, lock in maximum losses, preserve upside gains, help you manage risk effectively, and enhance investment confidence.

An in-depth analysis of the Put/Call Ratio as a sentiment indicator in US, A-share, and Hong Kong stock markets, its practical applications, limitations, and risks, along with best practices for multi-signal resonance and risk management.

Comprehensive comparison of Straddle and Strangle: Structure, cost, profit and loss, Greeks, liquidity, applicable scenarios and risks, and other core points analysis, to help you choose the most suitable volatility trading strategy for 2025.

How to read the PCE index? Understand the definition of PCE, its differences from CPI, the meaning of core PCE, and how to interpret its readings, with an authoritative explanation of the value of this inflation benchmark in investment and macroeconomic analysis.

A practical candlestick chart tutorial, breaking down the steps to read K-lines, understanding market psychology, including verification methods and common pitfalls, to help you read charts safely and efficiently.

The most comprehensive guide to shorting stocks, detailing A-share margin lending and U.S. stock short-selling processes, costs, risks, and common pitfalls to help you avoid high risks and navigate scientifically.