Two and a half basis points from five per cent

Markets have spent a fortnight discussing whether the ten-year will reach five per cent. The thirty-year passed it some time ago and has attracted almost no comment, which says more about the conversation than about the curve.

The benchmark ten-year yield was unchanged at 4.975% on Monday, as bond markets assessed the August consumer price report before this week's Federal Reserve decision. It had touched 4.992% on Friday, its highest since October 2023.

The two-year, the maturity most sensitive to what the central bank does next, was down less than a basis point at 4.643%, having reached its highest level since July 2024 last week. The thirty-year sat at 5.354%.

Read those three together and the shape matters more than any one number. The front end is priced for policy, the long end for everything else, and both have moved without the curve inverting or dislocating.

That is what an orderly repricing looks like, and it is the reason the move has not yet produced the accidents that usually accompany yields of this level. Nothing has broken because nothing has been forced.

The five per cent threshold is doing psychological rather than economic work. A mortgage priced off a 4.975% ten-year costs what a mortgage priced off a 5.01% ten-year costs, and the borrower will not notice the difference the headline will report.

What the level does change is the comparison. When the risk-free rate approaches five, every asset priced as an alternative to it has to justify itself again, and the assets with the longest-dated cash flows have the most explaining to do.

That is the link to the equity story, and it is why the most-watched sector is the one furthest from its cash flows. An AI capital expenditure programme justified by demand a decade out is a long-duration asset whatever sector it is filed under.

The week's actual event is the Fed decision, and the meeting is genuinely uncertain in a way that recent ones have not been. A central bank facing an oil-driven inflation impulse and a labour market it has been trying not to damage has no comfortable option.

An oil shock is a supply shock, and the textbook says look through it. The textbook assumes expectations are anchored, and the yields above are partly a market saying it is no longer certain that they are.

Which is the question the decision will answer without meaning to. The number the market takes from this week will not be the policy rate; it will be whatever the statement implies about how long the central bank is prepared to tolerate an inflation rate beginning with a three.