Stock market analysis

Why does Buffett, an unbeatable stock picker, recommend you buy the S&P 500? How can ordinary investors achieve stable long-term returns through index funds?

This article introduces the basic concepts, tax features, contribution limits, suitable groups, and operational details of IRA, especially Roth IRA, and helps readers choose the right type of retirement account through comparisons and real-life examples.

The Poor Man's Covered Call uses low costs to implement a covered call strategy, suitable for investors with limited funds. This article analyzes its advantages, risks, and suitable audience to help you make rational decisions.

A comprehensive breakdown of the debit spread strategy, covering execution processes, capital management, and risk control, ideal for A-share ETF options investors to replicate in practice, mastering a model with controlled losses and profits.

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.