Treasury Discount Paper

Treasury discount paper (Bubill) is the Federal government's money market paper. Bubills with a maturity generally of 12 months are issued every month (excluding December) and reopened after eleven, nine, six, five and three months during the course of the year. The Federal government thus offers a total of six different maturities on the money market each month.

Easily explained

Understanding Treasury discount paper
- basic knowledge for private investors

Issuance

The Federal government's money market paper with an original maturity of 12 months forms an essential element in the Federal government's annual issuance plan. They enable the Federal government to react most flexibly of all Federal securities to changing financing needs at short notice.

In 2026, 36 auctions of Treasury discount paper (Bubill) are planned, with a total volume of €176 bn (2025: €134.5 bn). In the months from January to November, one new Bubill with a 12-month maturity and a volume of €3 bn each will continue to be issued. In addition, a new Bubill with a term of 11-months and a volume of €3 bn will also be issued in January, bringing the total number of new issues planned for this year to 12. This is followed over the course of the year by several monthly reopenings with a volume of €2 bn or €3 bn across all remaining maturities. Bubills will be issued exclusively in multi-ISIN auctions this year, in which two Bubills will be issued on the same day.

Upcoming Auctions

Upcoming AuctionsN: New Issue    R: Reopening

DateIssuanceVolumeCouponMaturity
05.01.2026 Bubill (R)
DE000BU0E287
2.0 € bn - 15.04.2026
05.01.2026 Bubill (R)
DE000BU0E345
2.0 € bn - 14.10.2026
12.01.2026 Bubill (R)
DE000BU0E311
2.0 € bn - 15.07.2026

Latest Auction Results

Latest Auction ResultsN: New Issue     R: Reopening     A: Allotment     B: Bids

DateIssuanceBid/CoverVolumesYield
08.12.2025 Bubill (R)
DE000BU0E352
3.2
(A)
(B)
2.029%
01.12.2025 Bubill (R)
DE000BU0E279
1.1
(A)
(B)
1.972%
01.12.2025 Bubill (R)
DE000BU0E337
1.4
(A)
(B)
1.983%

Bid/Cover Ratio:  Ratio of offered and allocated volume

Issuance History & Progress

Current year vs. previous year

Issuance volumes incl. reopenings in own holdings.

Trade

After six years of growth, the trading volume of Bubills declined slightly for the first time in 2024, from €691 bn to €628 bn. Their share of trading in all Federal securities fell from 10% to 9%.

Outstanding Securities

Treasury discount paper accounted for € 108.5 bn of all Federal securities outstanding at the end of 2024. This corresponds to a share of about 6 % of the volume of all outstanding Federal securities and is a bit more than the € 149 bn at year-end 2023.

Current Share of non-conventional Treasury Discount Paper in the Volume of all Federal Securities Outstanding

The share of 10-year Federal bonds (Bund 10) includes the 7- and 15-year Federal bonds.

Current Outstanding Treasury Discount Paper

Bond Maturity Coupon Outstanding Last Issuance ISIN
Total volume 96,000 € mn -
Bubill 14.01.2026 - 13,000 € mn 20.10.2025 DE000BU0E246
Bubill 18.02.2026 - 12,000 € mn 10.11.2025 DE000BU0E261
Bubill 18.03.2026 - 12,000 € mn 01.12.2025 DE000BU0E279
Bubill 15.04.2026 - 8,500 € mn 06.10.2025 DE000BU0E287
Bubill 13.05.2026 - 9,000 € mn 03.11.2025 DE000BU0E295
Bubill 17.06.2026 - 9,500 € mn 24.11.2025 DE000BU0E303
Bubill 15.07.2026 - 7,500 € mn 20.10.2025 DE000BU0E311
Bubill 19.08.2026 - 7,500 € mn 10.11.2025 DE000BU0E329
Bubill 16.09.2026 - 8,000 € mn 01.12.2025 DE000BU0E337
Bubill 14.10.2026 - 4,500 € mn 03.11.2025 DE000BU0E345
Bubill 18.11.2026 - 4,500 € mn 08.12.2025 DE000BU0E352

Understanding Treasury Discount Paper