4-Week Treasury Bill Secondary Market Rate, Discount Basis
DTB4WKratesFree tier
| Series ID | DTB4WK |
|---|---|
| Units | Percent |
| Frequency | Daily |
| Category | rates |
| Latest observation | 2026-10-22 |
| History | Point-in-time: every value as first published plus each revision, so backtests see only what was known on the day |
Latest reading
The latest 4-Week Treasury Bill Secondary Market Rate, Discount Basis observation, for 2026-10-22, is 3.94 Percent, up from 3.92 for 2026-10-21. It has not been revised since it was first published. 0.4% of observations in this history were revised after first release.
| Latest observation | 2026-10-22 |
|---|---|
| Latest value | 3.94 Percent |
| Previous | 3.92 (2026-10-21) |
| Change | 0.02 (+0.5%) |
| First published value | 3.94 |
| Last release | 2026-10-23 |
| Vintages stored | 5,133 |
| Observations | 6,310 |
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