The week the long end stepped up
2026-10-09 · What the week changed · What the long end did this week, The French periphery, tested, Nord Pool, east versus west
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The US and euro area long ends broke higher this week — testing Pimco and Brent Johnson against the tape, FT Unhedged on French bonds, and the Nord Pool east-west split.
What the long end did this week
The move that matters is in the long end. The US ten-year closed at five point two two on Wednesday, up from four point eight at the start of September — forty-two basis points in a month. The thirty-year rose about thirty-five basis points over the same window, and the two-year by a similar amount. That is bear steepening, not a repricing of the Fed cycle: the policy rate is still at four, and the market one-year rate a year ahead is five point oh six. What changed is the pay for holding duration.
Last Friday the view here was that the US ten-year holds five to five and a half through year-end, with a modest de-rating of the broad index rather than a break. Yesterday's close is inside that range, so the picture is intact — but the room has shrunk. The number to watch is five consecutive daily closes above five point four with no equity break. We are not there. The S&P closed at seven seven six five yesterday, slightly higher than last Friday. The US high-yield option-adjusted spread is three oh nine, down three basis points on the week. The credit tape is not signalling a break; it is signalling term premium rebuilding into supply.
Pimco, in the Financial Times today, warns the ten-year risks hitting six per cent. The mechanism is the same one running through this week's tape; the disagreement is only on magnitude. Brent Johnson, founder of Santiago Capital, on Macro Voices with Eric Townsend this week, framed it as a structural shift: the Treasury and the Federal Reserve now acting in alignment, with aggressive liquidity management that looks like monetary policy, and expects long yields to keep grinding higher. The directional read is right on the mechanism driving yields this week. The structural read here is that this is term premium rebuilding into supply, not a sovereign crisis.
Europe ran a parallel move. The euro area ten-year yield for all issuers went from three eighty-one a month ago to four sixteen. The driver is different: the September euro area HICP print — harmonised consumer prices — came in at three point eight year-on-year, up from three point two, with France at three four, Italy at four one, Spain at five oh, Germany at three three, and core up a tenth to two and a half. The European Central Bank hiked a quarter point on 16 September to a deposit rate of two and a half, and the market one-year rate a year ahead is three fourteen. The view that the deposit rate reaches at least three and a quarter by mid-2027 is intact. What changed this week is that the periphery widened faster than the core.
The French periphery, tested
Katie Martin, Rob Armstrong and Ian Smith on the FT's Unhedged on Thursday quantified the French side. French ten-year yields climbed close to five per cent — the highest since 2002, and the largest G7 move in borrowing costs since the Iran war began. The spread over German bunds widened beyond one hundred and fifty basis points, the widest since the eurozone crisis. And several French corporate issuers are now borrowing at lower rates than the French state — an inversion that reads the risk as sovereign, not economic.
Martin's framing of the politics was blunt. Marine Le Pen, who leads the far-right Rassemblement National, is proposing a savings package alongside a pledge to cut the retirement age for parts of the workforce — the two do not fit. Jean-Luc Mélenchon, leader of the far-left France Insoumise, wants the sovereign debt held by the Banque de France cancelled, and has publicly accused the central bank governor of treason for refusing. There is no majority in the National Assembly for a serious budget. France's debt is approaching one hundred and twenty per cent of GDP on a deficit still around five per cent.
The ECB has the Transmission Protection Instrument — the backstop that distinguishes today from 2012 — but using it requires cooperation with EU fiscal rules that France is not providing, and buying French bonds while HICP runs at three point eight is not something the Governing Council does voluntarily. The defensive read on European financials into year-end holds. The level that would change it is Paris passing a budget with a credible primary surplus path by mid-November. The arithmetic is not there.
France is the only major European national equity market trading negative year-to-date — a point Unhedged flagged. The luxury group LVMH has been heavy; TotalEnergies gave back material ground on the week. The view that European equities face a down-leg to the fifty-four to sixty-one hundred range on the Euro Stoxx 50 by mid-2027 is intact, and this week's price action does not move it.
Nord Pool, east versus west
The headline this week is a widening eastern-western split. Finland's weekly average came in near thirty-three euros per megawatt-hour — down about a third from last week. The Finnish zone averaged under a euro on Tuesday. Northern Sweden and northern Norway sat in the same range as Finland, below forty on the week. Wind delivered, hard, on the eastern side of the Scandinavian ridge for the second week running.
The western half ran a different week entirely. The Danish zones averaged above a hundred and sixty, southern Sweden above a hundred, southern Norway in the one-forty area. The mechanism is the undersea cables that couple the western North Sea zones to Germany and the Netherlands, where continental prices stayed elevated. The flow number that confirms it is southern Norway's export to the Netherlands — a hundred sixty-two megawatts net this week, up from a hundred one last week.
A week ago the view here was that Finland's next weekly average stays below a hundred euros per megawatt-hour; this week's print is well inside that. Finland is now roughly five times cheaper than Denmark west this week, versus about three times a week ago. For a Finnish or northern Swedish contract this is a cheap autumn week. For a southern Swedish or Danish contract it is expensive, and the industrial pricing on the western side is where it will land in Mærsk's and Equinor's third-quarter releases later this month.
Sources
- US 10-year Treasury yields risk hitting 6% for first time since 2000, Pimco says — Financial Times (2026-10-09)
- Is France too blasé about borrowing costs? — Financial Times Unhedged (2026-10-08)
- MacroVoices #553 Brent Johnson: Disparate Housewives — Macro Voices (2026-10-08)
- US Treasury daily par yield curve rates — US Department of the Treasury (2026-10-08)
- HICP - inflation rate (prc_hicp_minr) — Eurostat (2026-09-30)
- ECB deposit facility rate — press release of 16 September 2026 — European Central Bank (2026-09-16)
- Nord Pool day-ahead prices (via ENTSO-E Transparency Platform) — Nord Pool / ENTSO-E (2026-10-09)