How Southeast Asia can realize its commercial promise amid geopolitical rivalry

ASEAN attracted a record $243.9 billion in FDI in 2025, but conflict, U.S.-China strategic competition, and economic nationalism threaten the region’s commercial openness. The U.S. war against Iran has disrupted oil and gas supplies, while the Strait of Malacca and Singapore carry nearly a quarter of global seaborne trade and face potential disruption risks. The article urges governments and businesses to diversify carefully, strengthen critical infrastructure, and uphold international rules; it also notes tariffs across Southeast Asia and U.S. scrutiny of Vietnam’s $178.3 billion goods surplus.

Analysis

The key investment risk is that ASEAN’s apparent supply-chain diversification may not equal genuine resilience. New production can still depend on the same maritime chokepoints, Taiwanese chip capacity, and U.S. market access; a single disruption or licensing change can therefore impair multiple “diversified” routes at once. This weakens the case for treating manufacturing relocation as a durable, broad-based ASEAN earnings upgrade.

The second-order transmission is through energy and credit: a sustained oil shock would raise input costs while squeezing household purchasing power, increasing pressure on consumer-facing firms and lenders through weaker borrowers. Nuclear projects may improve long-run power security, but Russian-vendor dependence is a slow-moving geopolitical liability—not a near-term hedge against fuel-price volatility.

Over the next 1–3 months, shipping disruption, tariff investigations, and chip-control implementation are the actionable catalysts; de-escalation or exemptions could reverse the risk premium quickly. Over 6–18 months, the larger question is whether infrastructure investment and credible regional coordination reduce shared-route and supplier concentration. Resilience spending is not automatically an equity catalyst unless procurement, funding, and beneficiaries are identifiable.

Contrarian point: ASEAN’s “China+1” beneficiaries may be overvalued as tariff-safe winners. Relocation from China does not necessarily satisfy U.S. demands for domestic production, while scrutiny of trade surpluses can extend to countries outside the China dispute. The article supports selective hedging and diligence, not a blanket short of Southeast Asia.

Key Decisions for Investors

• Use a 1–3 month Brent call spread only as a defined-risk hedge against renewed escalation: enter if shipping/war-risk indicators deteriorate alongside oil prices; exit or let the hedge expire if flows normalize and Brent retreats below its pre-disruption range. Elevated option premium and rapid de-escalation are the main risks.
• Avoid adding broad ASEAN manufacturing exposure solely on “China+1” assumptions. For existing positions, stress-test revenue by U.S. destination, origin-of-content rules, chip-license exposure, and dependence on common ports or sea lanes; trim where tariff or licensing exposure is concentrated and not reflected in guidance.
• Treat Vietnam-linked export exposure as a policy watch, not an automatic short: monitor Section 301 findings, tariff scope, and company disclosures on U.S. customer concentration. A narrowing of restrictions or credible exemptions would falsify the near-term downside thesis.
• Watch for investable evidence—not just policy announcements—of funded ASEAN grid, port, cable, and energy-security projects. Revisit infrastructure beneficiaries only when contracts, financing, and listed-company revenue exposure are disclosed; failure to advance regional coordination would undermine the resilience premium.