The blog brings together educational guides on trading: options, indicators and trends, explained clearly and rigorously. Each article relies on cited sources and concrete examples. The content is educational and does not constitute investment advice.
The blog brings together educational guides on trading: options, indicators and trends, explained clearly and rigorously. Each article relies on cited sources and concrete examples. The content is educational and does not constitute investment advice.
0DTE Options Explained: How They Work, Their Risks and Why Volume Exploded
0DTE options, which expire the same day they are traded, now account for about 65% of SPX options volume. This guide explains how they work, how theta and gamma behave on expiration day, why volume exploded, and the specific risks, with an illustrative example and the differences between SPX, XSP, SPY and QQQ.
SPY vs QQQ for 0DTE: Liquidity, Volatility and Gamma
SPY or QQQ: which one should you choose for 0DTE options trading? This article compares liquidity, spreads, volatility, how market makers react to gamma, and the expiration rules of both ETFs, with sourced figures and concrete examples.