giltsyield.com

Return

-£1.197

04 Sep 2026 → 06 Oct 2026

Start dirty price

£97.200

model £96.843

End dirty price

£96.003

model £95.737

Mark-to-market is the traded price; mark-to-model discounts the remaining flows along the fitted curve. The decomposition below is computed on the model prices.

What moved the price

Effect	Contribution	What it is
Carry	+£0.392	The passage of time at an unchanged yield: coupons earned plus the bond getting closer to redemption.
Rolldown	+£0.049	The yield change that comes from the shorter remaining maturity — rolling down the same curve.
Variation	-£1.548	The move in the curve itself between the two dates.
Unexplained	-£0.090	The residual between the traded prices and what carry, rolldown and variation account for.

The curve, then and now

Market data as of 04 Sep 2026 and 06 Oct 2026.

TR34

What moved the price

The curve, then and now

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