# Answers.

Plain answers about where prediction markets get their numbers, read from the record.

## Questions people ask

- [Kalshi and Polymarket settle on named public sources.Read Oct 4, 2026What data sources do Kalshi and Polymarket settle markets on?](https://tickerz.com/answers/prediction-market-settlement-sources)
- [Jobs and CPI markets settle on the number as it was first published.Read Oct 4, 2026Why does the first published jobs or CPI number matter for prediction markets?](https://tickerz.com/answers/first-published-jobs-and-cpi)
- [A signed Tickerz number can be checked without asking Tickerz.Read Oct 7, 2026How do I verify a Tickerz index number myself?](https://tickerz.com/answers/verify-a-tickerz-number)
- [A custom market can settle on an index built to order.Read Oct 7, 2026Where can I get a settlement-grade index for a custom prediction market?](https://tickerz.com/answers/settlement-grade-index-for-a-custom-market)