LUSIGNAN MFO
NOTE MACRO · N°
1

The energy shock raises the cost of financing

Week of 7 to 11 September 2026
LA SEMAINE EN 4 CHIFFRES
S&P 500
–0.8%
US 10Y
5.0%
BRENT
$104.9
SPREAD OAT-BUND
95 bp
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The energy shock raises the cost of financing

September 7, 2026

The essentials in one coffee

  1. Central banks: the ECB raised its deposit rate by 25 bp to 2.50% on Thursday (unanimous decision); the Fed must decide on 16 September, with a hike seen as roughly 85% likely.
  2. US inflation: August CPI comes in at 3.4% year on year (+0.4% on the month), core at 2.4% (+0.3% on the month, above consensus); PPI exceeds 5% year on year.
  3. Energy: Brent climbs 8.9% to $104.9 (peak at $120 on Friday morning); US diesel crosses $6 a gallon for the first time.
  4. France: the OAT-Bund spread ends at 95 basis points, highest since 2012; the government abandons the deficit target of 5% of GDP.

CENTRAL BANKS

The ECB hikes, the Fed must decide on 16 September

  • ECB, Thursday 10 September: deposit rate raised from 2.25% to 2.50%, unanimous decision; Christine Lagarde described the decision as “obvious” and expects inflation above target until the first half of 2027.
  • US CPI (Friday): core comes in at +0.3% on the month against +0.2% expected (2.4% year on year); the probability of a Fed hike on 16 September rose from 60% to 85% in a week.
  • Euro curve: the 10-year CMS ends at 3.54% and the 30-year at 3.48%, an inversion of 6 basis points between the two; the 10-year Bund set its highest since 2009.
LUSIGNAN'S VIEW — The adjustments under way look like a response to the energy shock rather than a new tightening cycle; at these levels, rates continue to offer favourable conditions for capital-protected solutions and quality carry.

ENERGY & GEOPOLITICS

Brent above $100: diesel crosses $6, freight at a record

  • Crude: Brent rises 8.9% over the week to $104.9, with a peak at $120 on Friday morning; European gas (TTF) climbs 10.5% to €79.52, up 193% over the year.
  • Refined products: US diesel exceeds $6.05 a gallon as a national average, an all-time record; supertanker freight Middle East–China reaches nearly $800,000 a day, also a record.
  • Crypto-assets and commodities: in a week unfavourable to risk assets, bitcoin falls 3.0%, gold 1.8% and copper 1.9%.
LUSIGNAN'S VIEW — Goldman Sachs recommends hedging geopolitical risk through gas and refined products rather than crude, as supply shocks are more pronounced there; as long as shipping and refining remain under strain, diversification and hedging remain appropriate.

DEBT & BUDGETS

France: the risk premium at its highest since 2012

  • OAT-Bund spread: it ends the week at 95 basis points, the highest since the 2012 sovereign debt crisis; 5-year CDS widened for nine consecutive sessions up to Thursday.
  • Budget: Roland Lescure abandoned on Friday the deficit target of 5% of GDP (“more than 5%”), and the 2026 growth forecast is cut to 0.5%.
  • Equities: the CAC 40 erased on Thursday all of its gains for 2026, underperforming the Euro Stoxx 50 (–1.1% over the week) and the DAX.
LUSIGNAN'S VIEW — The widening of the OAT-Bund spread is becoming a lasting component of French financing costs rather than a one-off episode; without calling into question the State's credit quality, it offers more attractive returns on OATs for savers who gain exposure through protected solutions.

OTHER NEWS

In brief

  • Results: Oracle posts revenue up 30% to $19.3bn, driven by cloud (infrastructure +121% year on year) and an order backlog of $664bn (+46%); its $20bn share issuance programme is completed.
  • Novartis: three clinical setbacks in the week — failure of pelacarsen, failure of del-desiran, halt of a cell therapy after three deaths; the stock lost up to 10% in Zurich.
  • China: exports rise 25% in August, supported by AI; the trade surplus reaches $119bn.

This is not investment advice.

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En complément
Les graphs de la semaine
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Nos publications de la semaine
Taux, banques centrales, devises
September 11, 2026
Central banks: why raise rates in the face of an energy shock?
The ECB raised its policy rates in September 2026, joining a global move towards monetary tightening in response to rising inflation. Yet this decision raises a fundamental question: can raising rates really fight an energy shock? The answer reveals the limits and the true objectives of central bank action in the face of current inflationary pressures.
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September 10, 2026
China and the lessons from Japan: exiting a property crisis without an accelerator
Between 2021 and 2025, Chinese property investment fell by 46%, a collapse comparable to the 45% recorded in Japan between 1996 and 2010. Yet the scale of the correction determines neither its duration nor its outcome. Japan took two decades to clean up its sector after its land bubble burst. Could China speed up the process? Not without a structural transformation.
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Actions
September 9, 2026
Rational or complacent markets? When valuations leave little room for error
Equity markets are showing remarkable resilience despite tighter financial conditions. The S&P 500 has risen 12.8% since the start of the year even as US bond yields have moved markedly higher. This apparent contradiction raises a major question: does this strength reflect sound economic rationality, or have valuations left too little margin to absorb the shocks to come?
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