The UK sells GBP 1bln 0.125% 2031 I/L Gilt: b/c 3.99x (prev. 4.26x), real yield 1.141% (prev. 0.933%)

The UK sells GBP 1bln 0.125% 2031 I/L Gilt: b/c 3.99x (prev. 4.26x), real yield 1.141% (prev. 0.933%)

A softer linker auction on the standard reads: cover down versus the prior sale of this line and the real yield clearing materially higher, which taken together point to a wider tail and thinner demand rather than a clean stop-through. Index-linked gilt auctions occupy a narrower buyer base than the nominal curve, dominated by LDI and pension hedging flows, so cover ratios at these sales tend to be structurally high and a step down of this size is more informative than the same move at a conventional auction. The question that has mattered in past episodes of weak linker demand is whether it reflects supply indigestion, with the DMO running heavy index-linked issuance as a share of the programme, or a genuine repricing of inflation risk premia and real yields; the two read differently for breakevens. Worth noting is that linker auctions have historically been prone to tail volatility when real yields are in a rising trend, since the natural buyers are price-insensitive but capacity-constrained. The follow-ons are the next conventional gilt sale for cross-confirmation of demand softness, any DMO commentary on the issuance mix, and whether breakevens widen or real yields bear the adjustment.