Stock Markets April 8, 2026 10:56 PM

Asia Markets Waver as Doubts Grow Over U.S.-Iran Ceasefire

Regional indexes slip and oil rebounds amid uncertainty over Pakistan-brokered talks and continued Strait of Hormuz disruptions

By Leila Farooq
Asia Markets Waver as Doubts Grow Over U.S.-Iran Ceasefire

Asian equity markets traded largely flat to lower after a prior risk-on rally lost momentum, with investors reacting to renewed doubts over the terms of a Pakistan-mediated ceasefire between the U.S. and Iran. Oil prices moved higher as the Strait of Hormuz - effectively blocked by Iran - showed little sign of reopening, keeping markets on edge. Major benchmarks from South Korea to China and Japan logged declines, while specific weakness in chip stocks and a drop in Alibaba shares weighed on regional performance.

Key Points

  • Ceasefire uncertainty between the U.S. and Iran trimmed regional risk appetite and halted further gains after an earlier rally - impacting broad Asian equity sentiment.
  • A rebound in oil prices, tied to limited reopening of the Strait of Hormuz, is elevating concerns for energy-reliant economies and markets tied to commodity flows.
  • Weakness was concentrated in chipmaking stocks and large-cap tech names, with South Korea's KOSPI and Alibaba among notable laggards - highlighting sector-specific sensitivity to the geopolitical backdrop.

Asian stock markets were subdued on Thursday, with most indices either flat or modestly down as uncertainty over a tenuous U.S.-Iran ceasefire and a rebound in oil prices combined to sap investor risk appetite.

Regional trading gave back some of the prior session's gains. The ESM26 fell 0.2% as market participants reacted to mounting questions about the terms of a Pakistan-brokered ceasefire between the U.S. and Iran.

Oil prices moved off earlier losses after the Strait of Hormuz - a crucial maritime route for oil and gas supplies to Asia - showed scant signs of reopening following actions that had effectively blocked the channel. The rebound in crude kept traders cautious, given the waterway's importance to regional energy flows.

Market performance by benchmark

  • South Korea's KOSPI was the weakest performer in the region, falling 1.3% as chipmaking stocks reversed recent gains.
  • Japan's Nikkei 225 fell 0.4% and the TOPIX dropped 0.6%.
  • Mainland Chinese indexes also retreated, with the Shanghai Shenzhen CSI 300 and the Shanghai Composite each down about 0.5%.
  • Hong Kong's Hang Seng slipped 0.5%, pressured in part by a 3% decline in Alibaba Group (HK:9988) after Jefferies lowered its price target on the company.

Investors grew more cautious after Iranian officials described the ceasefire talks as "unreasonable" and demanded that Lebanon be included in their proposal - a demand that the U.S. and Israel largely denied. Reports indicated that only a very small number of ships had passed through the Strait of Hormuz since the ceasefire announcement, suggesting the channel remained largely closed.

U.S. and Iranian representatives are scheduled to meet in Pakistan later this week, but the principal agenda and further details on any ceasefire terms remain largely unclear, leaving market participants with limited clarity to price in future developments.

OCBC analysts observed that the initial ceasefire news had triggered a risk-on rally, but cautioned that "fragile negotiations and lingering geopolitical risks" have constrained further upside in markets. They also highlighted that continued monitoring of oil flows through the Strait of Hormuz will be central to market focus over the coming days.

Elsewhere in the region, broader markets showed mixed movement amid elevated caution. Singapore's Straits Times index fell 0.3%, while Australia's ASX 200 was effectively unchanged. Futures for India's Nifty 50 edged down slightly after the index had rallied nearly 4% on Wednesday; India is among the countries most exposed to disruptions in oil and gas supplies resulting from the Iran conflict.

Overall, markets remained on edge as geopolitical uncertainty and the status of energy transit routes continued to influence investor positioning across Asian equities and commodity-linked sectors.

Risks

  • Ongoing uncertainty over the terms and scope of a Pakistan-brokered U.S.-Iran ceasefire could keep regional equity markets volatile - affecting financial and tech sectors reliant on investor risk appetite.
  • Continued restricted shipping through the Strait of Hormuz may sustain higher oil prices and disrupt energy supply lines to Asia, posing risks to energy-importing countries and commodity-sensitive sectors.
  • Fragile negotiations and limited clarity ahead of planned U.S.-Iran talks in Pakistan create the potential for abrupt shifts in market sentiment, which could amplify moves in both equity and commodity markets.

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