Guides
Plain-English explainers. Every claim is footnoted to its source, and the figures update with our records.
- How are prediction markets legal?The federal rules that let Kalshi and others operate, and why states disagree.
- Are prediction markets gambling?Prediction markets vs sports betting: the legal fight and the practical differences.
- What is a prediction market?Event contracts, exchanges and how the US market grew, in plain English.
- How old do you have to be?Minimum ages by platform and state, and the push to raise them.
- Prediction markets and taxesWhat the IRS has and hasn't said, and what the platforms report.
- GlossaryDCM, self-certification, preemption, en banc and more.