ASEAN-6: Markets buoyed by tariff ruling
US tariff ruling matters on two counts.
Group Research - Econs, ----Select-----24 Feb 2026
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Regional currencies gained ground on Monday as the US court ruling weighed on the US dollar, with the Philippine peso, Indonesian rupiah, and Thai baht surfacing as the day’s outperformers. The verdict will be significant for the ASEAN-6 countries on two counts. Firstly, unilateral tariffs imposed by the US on the region under the IEEPA are likely to be deemed invalid. Previously, ASEAN-6 countries faced US reciprocal tariff rates of ~19-20%, except Singapore, which was subjected to a lower 10%. These countries will now face their respective MFN rates plus a global 15% tariff under Section 122, which will be in effect until July 2026, but could face legal hurdles in the interim, resulting in continued trade policy uncertainty. Sector-specific tariffs under Section 232 will remain in place, while exemptions covering semiconductors, non-branded pharma etc. will continue to apply. The blanket 15% rate will benefit Malaysia, Thailand, Vietnam, and Indonesia by reducing their effective rates by ~1.7 to 3.2 percentage points (pp) but raise the rate on Singapore by ~1.1pp, according to Global Trade Alert. Despite this, the effective tariff rate on Singapore will be the lowest in the ASEAN-6 bloc.

Secondly, most ASEAN-6 countries were at different stages of finalising trade agreements with the US, where reductions in nominal tariff rates were contingent upon substantial purchases and investment commitments from the region, lower tariff and non-tariff barriers, and providing better market access for US companies. Several agreements also carried penalties to curb transshipments, particularly from China. Indonesia was amongst the latest to finalise a trade deal with the US, shortly before the court ruled against the IEEPA levies. Malaysia was still to ratify the Agreement on Reciprocal Trade at last check, while Thailand is yet to finalise a trade deal with the US. It remains to be seen if the region pushes their US counterparts to revisit onerous parts of these agreements and strike more balanced terms. In all, the court ruling is likely a net positive for market sentiment and trade prospects, with tech-heavy exporters already enjoying the spillover benefits from global demand tied to AI-driven capex spending and semiconductors. Vietnam’s exports of computers, electronic products, and components surged 57.6% yoy in Jan26, while Malaysia’s electrical and electronics shipments accelerated by 39.5% yoy. Singapore’s electronics domestic exports of 56.1% yoy also outperformed weak non-electronics domestic shipments. Nonetheless, domestic markets are likely to trade with caution amid lingering risks of further trade action and geopolitical flashpoints. We maintain our regional economic projections as highlighted herehere and here.

Radhika Rao

Senior Economist – Eurozone, India, Indonesia
[email protected]

Chua Han Teng, CFA

Senior Economist - Asean
[email protected]


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