Thirty-Year Yields Reached 5.68% in a Week When October Rate-Hike Odds Fell to 23%

Three things moved this week, and only one of them went the way the data pointed.

The first was the long end of the United States bond market. August inflation held at 3.4%, below forecasts. Vice Chair Philip Jefferson signaled patience, Goldman Sachs pushed its next-hike call to December, and the market-implied odds of an October increase fell to 23% from about 70%. Long-dated yields rose anyway. The 30-year touched 5.68%, which our desk recorded as a 24-year high, before retreating. What changed is the relationship between the two: a softer policy path no longer buys relief at the long end. Japanese government bond yields rose with it, and France's spread over Germany stood at 111.2 basis points before Paris presented a 2027 budget built on 54 billion euros of savings.

The second was oil, and specifically refined product. Brent traded above $106 on Monday after Donald Trump rejected Iran's seven-day plan to reopen the Strait of Hormuz, fell toward $97 as Middle East crude shipments recovered to 16.33 million barrels a day in September, then rose 4.4% to $102.31 on reports of a third American carrier heading toward Iran. Washington is now pressing the European Union to release 120 million barrels of diesel and weighing a ban on its own diesel exports. The scarcity has moved from crude to the barrel's middle, which is where it reaches consumer prices fastest.

The third was the financing of computing capacity. Apollo is backing a $15 billion data-centre build in Chiba drawing up to 400 megawatts from a Jera power station. Nvidia put the cost of that capacity at roughly $60 million per megawatt. Bond sales by the largest cloud operators have reached about $194 billion this year, against $93 billion in all of 2025. Anthropic's leaked draft prospectus targets a valuation above $2 trillion on $4.6 billion of revenue, with a $42 billion 2025 net loss and $518 billion of planned compute spending. Credit, not chips, is the binding constraint, and it prices off the curve that sold off all week.

Among tracked theses, the Middle East oil premium gained 6 points and the fragile United States-Iran arrangement gained 7. Hyperscalers entering the frontier model market gained 16 as Meta began selling Muse Spark through a metered interface compatible with OpenAI's, and the coding-capability race gained 15 on Claude Sonnet 5.5 at 81.3% on SWE-bench Pro against Sonnet 5's 63.2% and Gemini 4 Argon leading 12 of 18 disclosed benchmarks.

Two theses had a bad week. The case that bridge and unauthorized-mint bugs drive crypto losses fell 10 points to 90: September's $768 million of reported losses was about 92% attributable to Bitget and the Liquid Network, and neither began with a contract bug. Bitget's $387.5 million theft came from spoofed internal transfer instructions while private keys stayed intact. The authorized-path thesis held at 100. Tokenized equities slipped 7 points despite the week's product announcements. Chinese technology self-sufficiency slipped 2 even as Huawei shipped self-designed Kirin chips across the Mate 90 line.

Next week turns on whether European energy ministers actually agree a coordinated diesel release, and on whether long-end yields keep rising while rate-hike odds fall.