Unfiltered

Market and financial news, decoded unfiltered: what happened, what I think about it and what it means for a trader. With my convictions as well as my doubts, because you learn as much from mistakes as from successes. Practical methods, worked examples, no promises.

0DTE Options Explained: How They Work, Their Risks and Why Volume Exploded

Oct 4, 2026 | English, Options Fundamentals

Only a few years ago, buying an option that expires the same day was a niche curiosity. Today it is the core of the US index options market. According to Cboe, 0DTE options made up about 65% of SPX options volume in Q2 2026, and hit a record 66.2% in July 2026....

Get new articles by email

One email for each new article on options trading: fundamentals, 0DTE options, options flow and gamma exposure. No spam, unsubscribe in one click.