| Clue | Source | Date |
|---|---|---|
| Where commodities are traded immediately | USA Today | 29 Apr 2019 |
| Where commodities are traded immediately | ||
| Where commodities are delivered immediately | USA Today | 19 Dec 2018 |
| Where commodities are delivered immediately | ||
| Venue for cash-based commodity trading | USA Today | 15 May 2017 |
| Venue for cash-based commodity trading | ||
| Cash-based commodity trading |