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For purposes of the interest rate products in the table, the following times apply:
ETH: 12:00 a.m. – 7:00 a.m. Central Time (CT), Monday through Friday on regular business days
RTH: 7:00 a.m. – 4:00 p.m. CT, Monday through Friday on regular business days
ATH: 4:00 p.m. – 12:00 a.m. CT, Monday through Friday on regular business days and at all times on weekends
| CBOT Products | Futures | Options | Flex Options |
|---|---|---|---|
| 2-Year Treasury Notes (RTH) | 5,000 contracts** | 2,000 contracts | Same as Non-Flex Options |
| 2-Year Treasury Notes (ETH) | 2,500 contracts** | 1,000 contracts | Same as Non-Flex Options |
| 2-Year Treasury Notes (ATH) | 1,250 contracts** | 500 contracts | Same as Non-Flex Options |
| 3-Year Treasury Notes (RTH) | 5,000 contracts** | Not available | Not available |
| 3-Year Treasury Notes (ETH) | 2,500 contracts** | Not available | Not available |
| 3-Year Treasury Notes (ATH) | 1,250 contracts** | Not available | Not available |
| 5- and 10-Year Treasury Notes (RTH) | 5,000 contracts** | 7,500 contracts | Same as Non-Flex Options |
| 5- and 10-Year Treasury Notes (ETH) | 2,500 contracts** | 3,750 contracts | Same as Non-Flex Options |
| 5- and 10-Year Treasury Notes (ATH) | 1,250 contracts** | 1,875 contracts | Same as Non-Flex Options |
| U.S. Treasury Bonds (RTH) | 3,000 contracts** | 7,500 contracts | Same as Non-Flex Options |
| U.S. Treasury Bonds (ETH) | 1,500 contracts** | 3,750 contracts | Same as Non-Flex Options |
| U.S. Treasury Bonds (ATH) | 750 contracts** | 1,875 contracts | Same as Non-Flex Options |
| Long-Term (Ultra) Treasury Bonds (RTH) | 2,000 contracts** | Not available | Not available |
| Long-Term (Ultra) Treasury Bonds (ETH) | 1,500 contracts** | Not available | Not available |
| Long-Term (Ultra) Treasury Bonds (ATH) | 750 contracts** | Not available | Not available |
| 2-, 5- and 10-Year OTR Treasury Yield (RTH) | 2,000 contracts** | Not available | Not available |
| 2-, 5- and 10-Year OTR Treasury Yield (ETH) | 1,000 contracts** | Not available | Not available |
| 2-, 5- and 10-Year OTR Treasury Yield (ATH) | 500 contracts** | Not available | Not available |
| 30-Day Fed Funds (RTH) | 2,000 contracts | 1,500 contracts | Same as Non-Flex Options |
| 30-Day Fed Funds (ETH) | 1,000 contracts | 750 contracts | Same as Non-Flex Options |
| 30-Day Fed Funds (ATH) | 500 contracts | 375 contracts | Same as Non-Flex Options |
| 5-, 7-, 10- and 30-Year Interest Rate Swaps (RTH) | 2,000 contracts | 500 contracts | Not available |
| 5-, 7-, 10- and 30-Year Interest Rate Swaps (ETH) | 1,000 contracts | 500 contracts | Not available |
| 5-, 7-, 10- and 30-Year Interest Rate Swaps (ATH) | 500 contracts | 500 contracts | Not available |
| 2-Year USD IRS | 3,000 contracts | Not available | Not available |
| 5-Year USD IRS | 1,500 contracts | Not available | Not available |
| 10-Year USD IRS | 1,000 contracts | Not available | Not available |
| 30-Year USD IRS | 500 contracts | Not available | Not available |
| Dow Jones-UBS Commodity Index Excess Return | 300 contracts | Not available | Not available |
| Dow Jones U.S. Real Estate Index | 50 contracts | Not available | Not available |
| Ethanol | 10 contracts | 10 contracts | Not available |
| Denatured Ethanol Forward Month | 10 contracts | Not available | Not available |
| Distillers’ Dried Grain | 10 contracts | Not available | Not available |
| Black Sea Wheat | 10 contracts | Not available | Not available |
* Block trading of intra-commodity Treasury and Interest Rate Swap futures calendar spreads is prohibited.
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