| Underlying Unit |
One three-month (13-week) U.S. Treasury bill having a face value at maturity of $1,000,000. |
| Price Quote |
100 minus the Treasury bill discount rate for the delivery month (e.g., a 5.25 percent rate equals 94.75). |
Tick Size
(minimum fluctuation) |
One-half of one basis point (0.005), or $12.50 per contract. |
| Contract Months |
Three serial expirations plus four quarterly expirations in the March, June, September, and December quarterly cycle. |
| Last Trading Day |
The business day of the 91-day U.S. Treasury bill auction in the week of the third Wednesday of the delivery month. Trading in expiring contracts closes at 12:00 p.m. on the last trading day. |
| Final Settlement |
Expiring contracts are cash settled against the highest discount rate accepted in the U.S. Treasury Department's 91-day U.S. Treasury bill auction in the week of the third Wednesday of the contract month. |
| Position Limits |
Current Position Limits |
| Block Minimum |
Block Trade Minimums |
| All or None Minimum |
All or None Minimums |
| Rulebook Chapter |
CBOT Chapter 451 |
Trading Hours
(All times listed are Central Time) |
OPEN OUTCRY
MON - FRI: 7:20 a.m. - 2:00 p.m.
CME GLOBEX
SUN - FRI: 5:00 p.m. - 4:00 p.m.
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| Ticker Symbol |
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| Exchange Rule |
These contracts are listed with, and subject to, the rules and regulations of CME. |
