# Chicago Board of Trade

> world's oldest options and futures exchange, located in Chicago, Illinois, United States

**Wikidata**: [Q1071867](https://www.wikidata.org/wiki/Q1071867)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chicago_Board_of_Trade)  
**Source**: https://4ort.xyz/entity/chicago-board-of-trade


## References

1. Market Identifier Code
2. Virtual International Authority File
3. BnF authorities
4. [Source](https://help.yahoo.com/kb/SLN2310.html)
5. Freebase Data Dumps. 2013
6. GeoNames
7. Quora
8. Aligned ISNI and Ringgold identifiers for institutions