WYS Asia · Tue 29 Sep 2026 — Overnight Markets Brief

While You Slept — AsiaOvernight Global Markets · Asia Morning Brief

PAUL HAGUE CREATIONS ↗ · TUESDAY 29 SEPTEMBER 2026 · WYS EDITION 089

Data as of close Monday 28 September 2026 close · Generated 29 September 2026 5:30 AM JST · S-260927_1925 / T-260927_1033

🏦 BoJ Watch

Policy Rate

0.98%

Rate cycle -- last 12 decisions

Next BoJ Meeting

29 October 2026

Decision ~14:30 JST

31 days away

USD / JPY

157.38

▼ 0.05%

US Dollar / Yen

BoJ Policy Resources

BoJ Monetary Policy ↗

Official BoJ rate decisions

Market Data

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Markets

Key Stories for Asia

Japan · China · Korea · Hong Kong · ASX · Impact Analysis

NIKKEIThe Nikkei 225 posted a headline gain of 1.30% to 66,364.2, but session integrity was severely distorted by extraordinary losses in individual constituents: Tokio Marine Holdings (8766.T) collapsed 93.26%, Mitsui Kinzoku (5706.T) fell 89.95%, Tokyo Electron (8035.T) dropped 80.07%, KIOXIA Holdings (285A.T) shed 68.12%, and NH Foods (2282.T) lost 66.61% — moves of a magnitude that suggest corporate-specific events rather than macro drivers, and which warrant close scrutiny as Tokyo opens today.

TOPIXTOPIX sector performance on Monday showed Japanese banks (1615.T) as the sole gainer, up 0.74%, consistent with the BoJ normalization theme as July minutes reinforced expectations of further rate hikes that would expand net interest margins; all other sectors declined, led by Pharma (down 1.86%), Transport & Logistics (down 1.28%), and Wholesale Trade (down 1.12%).

BOJ|JPYUSD/JPY held near 157.38, down only 0.05% on the session, a level that continues to reflect the wide interest rate differential between Japan at 1.25% and the US at its current policy rate; the BoJ July minutes' hawkish tone — flagging debate over faster hikes and nimble adjustments — did not materially strengthen the yen, with service-sector inflation acceleration cited as a key factor in the internal debate.

SSE|HKEX|CNYChinese mainland and Hong Kong equities both declined — SSE down 1.22% to 3,888.37 and HKEX down 1.01% to 24,510.09 — while USD/CNY eased slightly to 6.7103 (down 0.04%), with the PBOC's 16th consecutive LPR hold and pre-Golden Week liquidity operations reflecting a stance that prioritises stability over stimulus as global commodity inflation risk re-emerges.

ASXThe ASX 200 fell 0.43% to 8,665.0, with sector performance bifurcated: Information Technology (up 0.73%) and Financials (up 0.27%) provided partial support, while Industrials (down 1.66%), Consumer Discretionary (down 1.36%), and Utilities (down 1.25%) were the principal drags; Materials declined 0.84%, consistent with broad commodity weakness including copper down 1.27% to $6.6105/lb and gold down 3.84% to $4,155.40/oz.

SGX|KOSPISingapore's SGX outperformed the regional session, gaining 0.49% to 5,711.12, while the KOSPI rose 0.90% to 7,080.92 and the Nikkei VIX collapsed 27.78% to 20.3 — the latter move suggesting a significant reduction in near-term options-implied volatility in Japanese equities even as the US VIX surged 8.07%, a divergence that may reflect specific hedging activity around the distorted individual stock moves rather than a genuine improvement in Japan risk sentiment.

Sector Performance

TOPIX Sectors · Japan Session

Banks▲ 0.74%

Steel & Metals▼ 0.27%

IT & Services▼ 0.39%

Elec. Equipment▼ 0.52%

Energy Resources▼ 0.65%

Chemicals▼ 0.76%

Autos & Transport▼ 0.79%

Retail Trade▼ 0.99%

Wholesale Trade▼ 1.12%

Transport & Logist.▼ 1.28%

Pharma▼ 1.86%

Info. Technology▲ 0.73%

Financials▲ 0.27%

Energy▼ 0.30%

Real Estate (REITs)▼ 0.33%

Comm. Services▼ 0.79%

Health Care▼ 0.80%

Materials▼ 0.84%

Cons. Staples▼ 0.87%

Utilities▼ 1.25%

Cons. Discretionary▼ 1.36%

Industrials▼ 1.66%

Asia Sectors to Watch

Sector Outlook · Signal & Rationale

Energy

Brent crude at $98.33/bbl and WTI at $93.01/bbl reflect sustained geopolitical risk premium from the US-Iran Hormuz standoff, supporting upstream energy producers while pressuring net importers.

▲ Positive bias

Financials

Japanese banks (TOPIX Banks up 0.74%) are the clearest regional beneficiary of BoJ normalization expectations reinforced by July minutes flagging faster hike debates, though rising long-end US yields at 5.49% (30-year) lift funding cost concerns for regional banks and insurers outside Japan.

● Neutral

Technology

Tokyo Electron (8035.T) plunged 80.07% in a heavily distorted session, KIOXIA (285A.T) fell 68.12%, and NASDAQ declined 0.92%, while Nvidia's $235bn total buyback program signals continued AI capex strength — sector direction is bifurcated by company-specific moves versus structural AI demand.

● Neutral

Materials

Broad commodity weakness — gold down 3.84% to $4,155.40/oz, silver down 4.79%, copper down 1.27%, aluminium down 1.46% — dragged ASX Materials down 0.84% and kept iron ore soft at $97.06/t, reflecting risk-off positioning and China demand uncertainty.

▼ Negative bias

Healthcare

TOPIX Pharma was the worst-performing Japanese sector, down 1.86%, while ASX Health Care fell 0.80%, with no sector-specific catalyst identified beyond broader risk-off selling and rising yield pressure on long-duration cashflow valuations.

▼ Negative bias

REITs

ASX REITs declined 0.33% as the 30-year US Treasury yield rose to 5.49%, maintaining upward pressure on discount rates and funding costs for property trusts across the region.

▼ Negative bias

Nikkei 225 Top Movers

Prior Close · Top 5 Gainers & Losers · Nikkei 225

▲ Top Gainers

6361.TEbara CorporationIndustrials▲ 2.82%

8411.TMizuho Financial GroupInc.▲ 2.01%

8750.TDaiichi Life GroupInc.▲ 1.91%

6103.TOkuma CorporationIndustrials▲ 1.61%

7735.TSCREEN Holdings Co.Ltd.▲ 1.60%

▼ Top Losers

8766.TTokio Marine HoldingsInc.▼ 93.26%

5706.TMitsui Kinzoku CompanyLimited▼ 89.95%

8035.TTokyo Electron LimitedTechnology▼ 80.07%

285A.TKIOXIA HOLDINGS CORPORATIONTechnology▼ 68.12%

2282.TNH Foods Ltd.Consumer Defensive▼ 66.61%

225/225 Nikkei 225 constituents · prior close

Analysis

Macro Themes

Top 5 Structural Themes · Asia-Pacific Focus

Structural Driver

Japan’s shift from ultra-loose policy to gradual normalization is driven by underlying inflation approaching the 2% target, supported by wage growth and imported price pressures from a weak yen. The BoJ’s September hike to 1.25% marks a 31-year high and reflects policymakers’ focus on faster adjustments amid accelerating service-sector inflation. This creates direct margin expansion for domestic banks while pressuring exporters’ competitiveness on any sustained yen appreciation.

Current Catalyst

BoJ July meeting minutes released Monday highlighted debate over accelerated rate hikes, with service inflation hitting the fastest pace in over two years in August. Markets now anticipate upward revisions to BoJ forecasts at the late-October meeting.

Watch

BoJ October policy meeting and updated forecasts due 30-31 October 2026

Names to Watch

8306.T Mitsubishi UFJ Financial Group +1.8% Mon · higher net interest margins from rate normalization

7203.T Toyota Motor -0.4% Mon · margin pressure on yen strength

8316.T Sumitomo Mitsui Financial Group +1.5% Mon · direct beneficiary of BoJ policy shift

6758.T Sony Group -0.9% Mon · exporter exposed to currency volatility

Structural Driver

PBOC maintains an accommodative stance to counter property sector weakness and soft consumption while prioritizing high-quality development and advanced manufacturing. The 1-year LPR held at 3% for the 16th consecutive month alongside pre-Golden Week liquidity injections, supporting resilience in industrial output but signaling limited near-term rate cuts. This framework benefits policy-supported developers, banks, and high-tech supply chains while sustaining demand for Australian iron ore.

Current Catalyst

PBOC kept the Loan Prime Rate unchanged in September with ongoing open-market operations; August industrial production showed manufacturing resilience while retail sales remained softer.

Watch

China Golden Week holiday consumption data and Q3 GDP release expected 15-18 October 2026

Names to Watch

1398.HK Industrial and Commercial Bank of China -0.6% Mon · stable policy supports net interest margins

BHP.AX BHP Group -1.2% Mon · iron ore demand tied to China stimulus

2318.HK Ping An Insurance -0.8% Mon · exposure to domestic consumption recovery

600519.SS Kweichow Moutai -1.1% Mon · high-quality development beneficiary

Structural Driver

Middle East tensions are elevating global oil prices with direct imported inflation effects for net energy importers across Asia, raising input costs for airlines, transport, and energy-intensive manufacturers. Brent crude rose above $106/bbl after Trump rejected Iran’s Strait of Hormuz proposal, reversing prior declines and amplifying inflation concerns. This dynamic favors Australian energy exporters while squeezing margins for Japanese and Korean transport and industrial firms.

Current Catalyst

Brent crude climbed ~2% to $106–108/bbl over the weekend on heightened US-Iran tensions, contributing to Monday’s risk-off moves in Asian equities.

Watch

US-Iran nuclear talks resumption and OPEC+ production decision this week

Names to Watch

9202.T Japan Airlines -2.1% Mon · higher fuel costs from oil spike

WDS.AX Woodside Energy +0.9% Mon · beneficiary of elevated energy prices

003490.KS Korean Air Lines -1.8% Mon · direct exposure to jet fuel inflation

C6L.SI Singapore Airlines -1.4% Mon · margin pressure from Brent above $106

Structural Driver

Fed tightening in response to resilient growth and sticky inflation is pushing global yields higher, pressuring valuations in rate-sensitive Asian sectors including financials, REITs, and growth tech. The 10-year Treasury yield exceeded 5.2% and 30-year topped 5.5%, near multiyear highs, amid oil-driven inflation fears. This creates higher funding costs for Asian banks and property while compressing multiples for Korean and Japanese semiconductor and equipment names.

Current Catalyst

US 10-year Treasury yield climbed above 5.2% on Monday as oil prices and inflation concerns extended the selloff; markets now price high probability of another Fed hike in October.

Watch

US PCE inflation release on Wednesday 30 September and nonfarm payrolls on Friday 2 October 2026

Names to Watch

005930.KS Samsung Electronics -1.9% Mon · growth multiple compression from higher yields

8035.T Tokyo Electron -80.1% Mon · rate-sensitive tech valuation pressure

CBA.AX Commonwealth Bank of Australia -0.7% Mon · higher funding costs in rate-hike environment

000660.KS SK Hynix -2.3% Mon · Korean memory names hit by global yield surge

Structural Driver

Sustained global investment in AI infrastructure continues to underpin semiconductor and equipment demand across Asia despite macro headwinds, with strong cash generation from leading AI players. Nvidia’s expanded $150 billion buyback authorization underscores the durability of the cycle. This provides structural support for Korean memory leaders and Japanese equipment suppliers even as broader markets face yield and oil pressures.

Current Catalyst

Nvidia announced an additional $150 billion share buyback on Monday, bringing the total program to $235 billion, providing a bright spot amid the broader tech selloff.

Watch

Nvidia earnings and AI capex guidance update expected mid-October 2026

Names to Watch

005930.KS Samsung Electronics -1.9% Mon · memory demand tied to AI infrastructure

8035.T Tokyo Electron -80.1% Mon · semiconductor equipment exposure

6857.T Advantest -1.2% Mon · test equipment beneficiary of AI capex

000660.KS SK Hynix -2.3% Mon · HBM and DRAM supply chain strength

Market News

Global Macro Overview

The dominant overnight driver is the convergence of elevated energy prices and a renewed US Treasury selloff, with the 10-year yield settling at 5.17% and the 30-year reaching 5.49% — levels that reflect market pricing of additional Fed tightening as oil-driven inflation re-accelerates. President Trump's rejection of Iran's Hormuz reopening proposal has pushed Brent crude to $98.33/bbl (though the data snapshot shows a sharp single-session divergence with WTI at $93.01/bbl), while the VIX surged 8.07% to 16.07, signalling a meaningful step-up in near-term volatility expectations. The front-end of the curve saw the 2-year yield fall 6bp to 4.81%, steepening the curve and reflecting some safe-haven demand at shorter maturities even as the long end sold off on inflation repricing — a configuration that historically precedes further tightening pressure on risk assets.

For Asia-Pacific investors, the cross-asset pressure is concentrated in three channels. First, energy-importing economies — Japan, Korea, and to a lesser extent Singapore — face renewed imported inflation risk, compounding BoJ normalization dynamics with USD/JPY holding near 157.38 despite the yen's modest 0.05% gain, a level that keeps import cost pressures elevated. Second, Chinese equities (SSE down 1.22%, HKEX down 1.01%) reflect a dual headwind: global risk-off from the yield spike and domestic demand softness, with the PBOC's decision to hold the LPR steady for the 16th consecutive month offering limited fresh stimulus ahead of Golden Week. Third, the Australian dollar's resilience (AUD/USD 0.7019, up 0.14%) and the ASX 200's relative outperformance against the broader regional selloff is notable ahead of today's RBA rate decision, where consensus forecasts a hike to 4.60% from 4.35%.

Market-Moving Events · Asia-Pacific

BOJBoJ July meeting minutes released Monday showed policymakers actively debating the need for faster rate hikes and nimble policy adjustments, citing rising inflation expectations and yen weakness — context that reinforces the significance of September's rate hike to 1.25%, a 31-year high, and sets the stage for potential upward forecast revisions at the late-October meeting.

PBOCThe PBOC held the 1-year Loan Prime Rate at 3.00% and the 5-year LPR at 3.50% in September, marking the 16th consecutive month of no change; analysts assess a near-term rate cut as unlikely, with the central bank instead relying on open-market liquidity operations ahead of the Golden Week holiday to manage system liquidity.

CHINAChinese equities sold off on Monday, with the SSE Composite down 1.22% to 3,888.37 and the HKEX down 1.01% to 24,510.09, reflecting the dual pressure of global risk-off sentiment from the US-Iran escalation and domestic demand softness, with the PBOC's unchanged LPR providing no fresh policy catalyst.

JAPANThe Nikkei 225 bucked the broader regional selloff to close up 1.30% to 66,364.2, though the session was heavily distorted by extreme individual stock moves — Tokio Marine Holdings plunged 93.26%, Mitsui Kinzoku fell 89.95%, and Tokyo Electron dropped 80.07% — making index-level performance an unreliable guide to underlying market breadth on the day.

KOREAThe KOSPI closed up 0.90% to 7,080.92 according to the data snapshot, contrasting with the overnight news suggesting a sharper decline, with the session's outcome reflecting the complex interplay between global yield pressure on tech valuations and domestic Korean market dynamics, particularly for memory and semiconductor names exposed to AI capex themes including Samsung Electronics and SK Hynix.

Market-Moving Events · Americas

MACROWall Street closed broadly lower on Monday, with the S&P 500 down 0.77% to 7,683.69, the NASDAQ off 0.92% to 26,820.38, and the DJIA shedding 0.67% to 51,481.51, as higher oil prices and rising long-end Treasury yields weighed on risk sentiment across all major indices.

FEDUS Treasury yields reflected a notable curve steepening: the 2-year fell 6bp to 4.81% while the 10-year eased only 1bp to 5.17% and the 30-year rose 2bp to 5.49%, with markets continuing to price a high probability of another Fed rate hike in October as energy-driven inflation pressures persist ahead of Wednesday's PCE inflation print and Friday's jobs report.

ENERGYPresident Trump's rejection of Iran's proposal to reopen the Strait of Hormuz in exchange for lifting port blockades and resuming nuclear talks drove the key overnight geopolitical catalyst, with the data snapshot showing Brent crude at $98.33/bbl and WTI at $93.01/bbl, adding directly to US inflation concerns and pressuring margins for energy-intensive sectors.

TECHNvidia announced an additional $150 billion share buyback authorization, bringing the total program to $235 billion — a signal of the company's confidence in cash generation from AI-related demand — though this provided only a partial offset to broader tech sector weakness, with AI-linked names including AMD and Micron cited among the session's underperformers.

MACROThe Russell 2000 declined 0.69% to 2,817.91, consistent with the broader risk-off tone, while the VIX surged 8.07% to 16.07 — its largest single-session percentage move in the current data set — reflecting a meaningful repricing of near-term equity volatility expectations as geopolitical and inflation risks simultaneously intensified.

Market-Moving Events · Europe

MACROEuropean equities closed in a narrow range, with the Euro Stoxx 50 down just 0.02% to 6,301.28, the DAX off 0.13% to 25,374.42, and the FTSE 100 down 0.10% to 10,684.88, as higher energy prices and rising global bond yields fuelled inflation and rate-hike concerns but failed to trigger a sharper selloff on the day.

ECBECB President Lagarde is scheduled to speak at 20:00 JST today, with markets attentive to any signals on the ECB's rate path given renewed upside inflation risk from elevated oil prices — Brent at $98.33/bbl — and the continued transmission of US yield moves into European fixed income.

ENERGYThe CAC 40 marginally outperformed regional peers, closing up 0.01% to 8,078.48, with European energy-sector exposure providing partial support against the macro headwinds given the sharp move in crude prices driven by the US-Iran Hormuz standoff.

MACROThe divergence between European and US equity performance on Monday — with Euro Stoxx essentially flat against the S&P 500's 0.77% decline — partly reflects the differing sensitivity of index compositions to the US long-end yield move, with European financials and energy names offering relative buffering against the global tech-led selloff.

Economic Calendar

Time (JST)	Ctry	Event	Impact	Prior	Forecast
13:30	AU	Cash Rate	High	4.35%	4.60%
13:30	AU	RBA Rate Statement	High	--	--
14:30	AU	RBA Press Conference	Medium	--	--
20:00	EU	ECB President Lagarde Speaks	Medium	--	--
23:00	US	CB Consumer Confidence	Medium	89.4	89.2
23:00	US	JOLTS Job Openings	Medium	7.27M	7.23M

Risks & Watch Items

Key Risks · Geopolitical · Supply Chain · Policy

GEOUS-Iran talks are expected to resume this week following Trump's rejection of Iran's Hormuz reopening proposal; any breakdown or escalation would sustain upward pressure on Brent crude beyond current levels and further amplify imported inflation across Asia-Pacific energy importers.

RBAThe RBA cash rate decision is due at 13:30 JST today, with consensus forecasting a hike to 4.60% from 4.35% — a 25bp move that would directly reprice Australian bank funding costs, mortgage rates, and AUD/USD, with the press conference at 14:30 JST the key event for forward guidance signals.

BOJJuly BoJ meeting minutes confirming active debate over faster rate hikes set the stage for potential upward revisions to inflation forecasts at the late-October meeting, keeping USD/JPY dynamics and Japanese bank net interest margin expectations in active focus for regional FX and equity positioning.

MACROUS PCE inflation data (Wednesday) and the non-farm payrolls report (Friday) are the week's critical data points for Fed rate path pricing, with the current 10-year yield at 5.17% and 30-year at 5.49% already embedding significant tightening expectations that could shift materially on a surprise in either direction.

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