U.S.-Iran Conflict: Risks of a Global and Domestic LPG Price "Shock" in Vietnam

16/03/2026

How a U.S. Attack on Iran Affects LPG Prices

1. Core Summary: The Risk of an LPG Price "Shock"

Military conflict between the U.S. and Iran poses a severe threat of disrupting global energy supplies. In particular, the blockade or security threats to the Strait of Hormuz would tighten crude oil and natural gas supplies, causing prices to skyrocket. Since the international LPG Contract Price (CP) is directly indexed to crude oil and natural gas fluctuations, LPG will face massive upward pressure, triggering a price "shock" across global markets.

2. Primary Impact Mechanisms
2.1 Disruption of Global Energy Supply Chains
  • Strait of Hormuz, the Energy "Chokepoint": This vital artery carries 20-30% of global crude oil and approximately 20% of global LNG daily. Attacks or security threats would force carriers to suspend or reroute vessels, surging transit costs and lead times. Iran maintains the capability to blockade or disrupt traffic here as a retaliatory measure.

  • Impact on Major Exporters: Qatar (a top LNG exporter) and other Gulf nations rely heavily on the Strait to access markets. Any disruption would slash the global LNG supply.

2.2 Surge in Crude Oil and Natural Gas Prices
  • Geopolitical Risk Premium: Concerns over supply shortages drive investors to go "long," hiking prices even before physical disruptions occur.

  • Actual Supply Reductions: As OPEC's 3rd or 4th largest producer (approx. 3-3.1 million bpd), Iran holds the world’s 3rd largest reserves. Conflict would cripple its export capacity, while the ability of OPEC+ to offset the loss remains limited.

  • Price Forecasts: Experts predict Brent crude could jump to $80/barrel or even exceed $100/barrel if the conflict escalates and persists.

2.3 Direct Link to LPG Pricing
  • Saudi Aramco Contract Price (CP): As the global benchmark for LPG announced monthly, the CP dictates retail prices. It is inherently tied to the volatility of crude oil and natural gas.

  • Contributing Factors: Beyond the CP, LPG prices are influenced by logistics (premiums, insurance), the USD/VND exchange rate, and seasonal demand.

2.4 Impact on the Vietnam Market

Vietnam relies on imports for over 70% of its LPG supply. Consequently, domestic residential and commercial gas prices will spike in tandem with international CP and related costs. This creates significant inflationary pressure, raising the cost of living for consumers and production costs for businesses.

3. Scenarios and Solutions
3.1 Market Scenarios
Scenario Expected Crude Price Expected LPG Price Other Impacts
Contained Conflict (Short-term) Brief surge to ~$80/bbl Proportional increase, then stabilizes Stock market volatility, stronger USD
Escalated Conflict (Hormuz Blockade) Surpassing $100 - $200/bbl Sharp rise to potential new peaks Energy crisis, global inflation, supply chain gridlock
3.2 Adaptive Solutions
  • Diversify LPG sources to mitigate dependency risks.

  • Invest in storage infrastructure to bolster national strategic reserves.

  • Closely monitor geopolitical shifts and global energy markets for timely response.

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