Daily Briefing | 2026-09-18: Oil prices hold above 100 yuan, global policies shift towards inflation prevention

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Today's main theme

The clearest change in the past 24 hours is that the Middle East energy shock is spreading further from commodity markets to global monetary policy, asset valuations, and industrial policy. Although Brent crude oil fell from its highs, it remained above $100 per barrel; The Federal Reserve has just completed its first interest rate hike in three years, and the Bank of England has also clearly warned that policy may need to be tightened further if the energy shock continues to have a secondary effect on inflation and wage prices. At the same time, the AI industry is beginning to transform model mismatch from an internal research issue into an institutionalized disclosure matter, while China continues to place advanced manufacturing, the integration of AI with manufacturing, and supply chain self-reliance and control at the core of its economic transformation. At the geopolitical level, the risks in the Red Sea and the Bab el-Mandeb Strait have forced China to intervene more directly in the mediation between Iran, Saudi Arabia, and the Houthi rebels. Markets are once again facing a familiar but more complex combination: energy supply constraints, higher and longer-lasting interest rates, continued strong technology capital spending, and major economies strengthening industrial security.

Five key news items

1. The Federal Reserve raised interest rates for the first time in three years, bringing global interest rates back into the upside risk range.

On September 16, the Federal Reserve unanimously voted to raise the federal funds target range by 25 basis points to 3.75%-4.00%, marking the first rate hike since 2023. The official statement said that U.S. economic activity continues to expand at a steady pace, domestic spending is resilient, productivity and capital investment are strong, but inflation remains high, so it is necessary to bring prices back to the 2% target more promptly. Starting September 17, the interest rate on the reserve balance rose to 3.90% and the discount rate rose to 4.00%. The importance of this action lies not only in the 25 basis points itself, but also in the fact that the policy response function has changed: after the Middle East conflict pushed up energy costs, the Federal Reserve no longer views supply shocks simply as a temporary factor that can be "seen through". For the market, this means that the valuation framework previously established around the interest rate cut cycle needs to be recalculated, and long-term technology stocks, real estate and highly leveraged assets will continue to be constrained by real interest rates and term premiums. Next, we should focus on observing oil prices, core services inflation, wage growth, and whether the 10-year US Treasury yield can stabilize.Source: Federal Reserve

2. Brent crude remains above $104; Saudi Arabia's detour to increase supply can only temporarily alleviate energy shortages.

Brent crude oil closed at $104.82 a barrel on September 17, down 0.95%. WTI closed at $101.91 per barrel. The price decline is mainly due to Saudi Arabia beginning to increase crude oil supplies to Asian refineries through ship-to-ship transshipment near the port of Sukhar in Oman, and attempting to restore about half of the capacity of the east-west oil pipeline that was shut down after the drone attack. However, supply risks have not been eliminated: three pumping stations were damaged, delayed loading was previously suspended, and traders estimate that a long-term shutdown could affect up to 4% of global oil supply. Meanwhile, oil tanker passage through the Strait of Hormuz continues to decrease, and the diesel market is tightening due to disruptions to refining facilities in the Middle East and Russia. The shift in oil prices from "surging" to "high-level fluctuations" does not mean the end of the inflationary shock. If Brent crude oil remains above $100, transportation, chemical, and manufacturing costs will continue to be passed on to consumer prices, strengthening the reasons for European and American central banks to maintain high interest rates. The key factors going forward are the speed of pipeline repairs in Saudi Arabia, shipping volume in the Straits of Hormuz and Bab el-Mandeb, and the price difference between refined oil cracking.Source: Reuters

3. OpenAI establishes a model mismatch disclosure framework, moving AI security from the principle to the incident reporting stage.

OpenAI released a new model mismatch reporting framework on September 16, disclosing six "unexpected or worrying" model behaviors observed in the past six months. The company stated that in the past, relevant findings were often made public only after the system card or multiple cases were summarized, resulting in fragmented and untimely disclosure. The new mechanism will more systematically track, investigate, and release mismatch events, even if the causes have not been fully explained and mitigation measures have not yet been completed. The policy implications are clear: as AI systems increasingly perform long-chain tasks, call tools, and enter enterprise processes, industry governance is shifting from abstract discussions about "whether models are secure" to continuous incident reporting systems similar to those for aviation accidents and cybersecurity vulnerabilities. For the valuation of AI companies, this could not only increase testing, auditing, and compliance costs, but also create a higher credibility threshold, making security capabilities an important variable in enterprise customer procurement. The next stage is to observe whether other lead laboratories adopt comparable disclosure standards, and whether regulators translate the voluntary framework into mandatory reporting obligations.Source: OpenAI

4. China strengthens its advanced manufacturing focus, with "AI + manufacturing" further integrated into the national industrial deployment.

On September 17, the Chinese government announced the relevant arrangements for the National Conference on the Development of Advanced Manufacturing. *called for continuing to expand and strengthen advanced manufacturing, accelerating the construction of a modern industrial system with advanced manufacturing as the backbone, and enhancing the independence, controllability, and risk resilience of the industrial chain. Li Qiang clearly proposed to take next-generation intelligent manufacturing as the main focus, deepen "artificial intelligence + manufacturing", strengthen the digital and intelligent transformation of enterprises, and at the same time consolidate the foundation of intelligent software and hardware. Policy signals indicate that against the backdrop of continued pressure on real estate investment and a relatively slow recovery in domestic demand, China's growth model will continue to shift resources towards high-end manufacturing, industrial digitalization, and technological independence. In the short term, this will benefit investment in industrial software, robotics, semiconductor equipment, automation, and high-end equipment, but it may also intensify capacity competition in some industries and continue to attract overseas attention to the expansion of Chinese manufacturing exports. Going forward, it should be observed how fiscal and credit resources can be matched, whether local governments can curb redundant investment, and whether advanced manufacturing growth can ultimately be more fully transmitted to residents' income and consumption.Source: China Government Website

5. China demands Iran restrain the Houthi rebels, leading to a more direct diplomatic battle over energy security in the Red Sea.

Reuters, citing three Iranian sources familiar with the matter, reported on September 17 that after Saudi Arabia sought help from Beijing, China had privately asked Tehran to use its influence to restrain the Houthi rebels in Yemen and prevent further escalation of tensions in the Red Sea and the Bab el-Mandeb Strait. The Houthi rebels have recently made rapid advances along the Red Sea coast and near the Bab el-Mandeb Strait, exposing Saudi oil exports and international shipping to greater risks. Meanwhile, the Strait of Hormuz was already severely disturbed by the conflict between the United States, Israel, and Iran. China's public stance still emphasizes restraint, dialogue, and the resumption of safe navigation, but this private communication shows that energy security is pushing Beijing to adopt a more proactive regional diplomacy. China has long been Iran's largest trading partner, purchasing more than 80% of Iran's seaborne oil exports by 2025, thus wielding considerable economic influence. If the mediation is effective, the risk premium may decrease; If it fails, the global energy market will simultaneously face the impact of two key chokepoints: the Straits of Hormuz and the Bab el-Mandeb. The next steps should be to observe Iran's response, the Houthi military operation, and whether Saudi Arabia will restore its Red Sea export capacity.Source: Reuters

Market Correlation and Today's Observation

The most noteworthy thing today is not the rise and fall of a single asset, but the fact that the "energy-inflation-interest rate-valuation" chain is closing again. Brent crude oil remaining above $100 indicates that the energy shock has not yet disappeared. The Federal Reserve's interest rate hikes and the Bank of England's shift towards greater vigilance against inflation both indicate that major central banks are beginning to guard against the spread of high energy prices to wages and service prices. Therefore, it will be difficult for interest rates to quickly return to the easing path previously expected by the market, and interest rate spreads between the US dollar and high-yielding currencies will become more dependent on the extent of each country's energy import exposure. In terms of commodities, the physical supply of crude oil and diesel is more important than the daily decline in financial markets, while the Strait of Hormuz, the Bab el-Mandeb Strait, and the east-west pipeline in Saudi Arabia remain the core of risk pricing.

Risk appetites are diverging: AI capital expenditures and advanced manufacturing investments still provide structural growth stories, but rising interest rates will compress forward cash flow valuations, and security audit and regulatory costs are also beginning to enter AI business models. China's policies continue to strengthen manufacturing upgrading, which will help demand in fields such as equipment, automation, and industrial AI, but cannot replace consumer spending and real estate recovery. Therefore, the market still needs to observe whether industrial investment can form a broader cycle of income and demand. The core variables in the coming days are whether oil prices can fall back below $100 and stabilize, whether global long-term bond yields will continue to rise, whether shipping in the Red Sea will deteriorate, and whether AI security disclosure will be rapidly upgraded from a voluntary action by enterprises to a regulatory standard. If energy risks ease, risky assets may get a breather; If oil prices and bond yields rise again in tandem, global markets will continue to trade a more typical stagflationary risk premium.

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Cover image:Eduard Pretsi / Unsplash