Contracts for difference (CFDs) let you trade shares, indices, and other markets with leverage, without owning the underlying asset. This section explains how CFD trading works, the strategies traders use, and the costs and risks involved, including why most retail CFD accounts lose money. You will find plain-language guides to trading the S&P 500 and other indices, short selling, and how spread betting compares with CFDs, alongside the tax and regulatory points that matter for UK and international traders. Every guide is written for readers who want to understand the mechanics and manage the risk, not sales copy.