T40

4¼% Treasury Gilt 2040 · GB00B6460505

Yield

5.56%

Clean price

£87.960

Dirty price

£89.806

Accrued interest

£1.846

159 days

Modified duration

9.98

Market data as of 12 Nov 2026 · all figures assume a T+1 settlement.

Where T40 sits on the par curve

12 Nov 2026

The curve is fitted across the conventional gilts in issue; the marker is this bond's own yield at its remaining maturity.

Ticker

T40

ISIN

GB00B6460505

Coupon

4.25

Issued

30 Jun 2010

Matures

07 Dec 2040

14.07 years

Next coupon

07 Dec 2026

Macaulay duration

10.26