Thomas Greer
Thomas Greer writes for Deltu Review and other Independent Journal publications, covering futures, options and derivatives and stocks and equity markets. Reporting under this byline is prepared by the Independent Journal editorial desk from primary sources, with AI assistance, and reviewed under our editorial policy.
3 articles
How options expiration works: dates, exercise and settlement
A guide to options expiration: how expiration dates are set, what happens to in-the-money and out-of-the-money contracts, exercise, assignment, settlement and common pitfalls.
Options basics: calls and puts explained for the options market
A plain-English guide to how calls and puts work in the options market: strike price, premium, expiration, who takes which side, and the main risks to understand.
OCC June options volume jumps 45% as ETF options surge
OCC cleared 1.61 billion contracts in June 2026, up 45% from a year earlier, led by a 69.7% jump in ETF options and a 44% rise in index options volume overall.