Latest Treasury bill auction investment rates range from 3.976% for 4 weeks to 4.496% for 52 weeks.

First-check baseline, as of November 4, 2026, 14:07 Taipei time. Latest regular-bill results below show investment rate; change in percentage points versus the preceding comparable auction; and high bank-discount rate:

• 4-week, auction Oct 29: 3.976% (−0.036); discount 3.910%. • 6-week, Nov 3: 4.013% (−0.010); discount 3.940%. • 8-week, Oct 29: 4.101% (+0.005); discount 4.020%. • 13-week, Nov 2: 4.138% (−0.011); discount 4.040%. • 17-week, Oct 28: 4.256% (−0.015); discount 4.140%. • 26-week, Nov 2: 4.298% (−0.063); discount 4.150%. • 52-week, Oct 27: 4.496% (−0.120); discount 4.290%. The previous 52-week auction was September 29.

The largest decline was 0.120 percentage points for 52 weeks. Treasury has announced 17-week bills for auction November 4 and 4- and 8-week bills for November 5, with issue November 10; their yields are not yet determined. For the November 5 4-week offering, Treasury states noncompetitive close at 11:00 a.m. ET and competitive close at 11:30 a.m. ET; brokers may set earlier cutoffs. Weekly monitoring cannot reliably provide advance notice of every auction or deadline change.

These are auction results, not live secondary-market quotes or guaranteed APYs. Cash-management bills are excluded. Sources: Treasury bill data, 6-week result, 4-week offering.