What Happened On May 18, 2026 (Korea time), geopolitical risks in the Middle East once again reached their peak, leading to a surge in international oil prices. Recent news of a drone attack on a UAE nuclear power plant has materialized a direct threat to energy facilities, further exacerbating the instability of the energy supply chain through the Strait of Hormuz. Furthermore, with tensions between the U.S. and Iran assessed to be in a 'stalemate' and President Trump continuing his strong remarks to Iran, stating 'Clock Is Ticking,' concerns are growing that geopolitical risks originating from the Middle East will be prolonged. These complex factors are contributing to the sustained upward trend in WTI crude oil and Brent crude oil prices.
Why It Matters The Middle East accounts for approximately one-third of the world's crude oil supply, and the Strait of Hormuz, in particular, is a strategic chokepoint through which about 20% of global seaborne crude oil shipments pass. Each time tensions escalate in this region, oil prices react immediately, causing ripple effects on the global economy. The recent UAE nuclear power plant attack is not merely a military clash; it demonstrates the potential for attacks on critical energy infrastructure, fueling fundamental anxiety about energy security. As the standoff between Iran and the U.S. continues , concerns about extreme scenarios such as a blockade of the Strait of Hormuz or the imposition of transit fees persist. This situation, occurring as global inflationary pressures are already reigniting , could lead to prolonged high oil prices, increasing the burden on central banks' monetary policies and acting as a key factor raising the possibility of an economic recession (stagflation). Moreover, the fact that Middle East tensions are escalating even after the U.S.-China summit indicates that geopolitical risks are complex and difficult to resolve through the diplomatic efforts of a single nation alone.
Impact on the Korean Market Intensifying geopolitical risks in the Middle East and surging oil prices directly impact the Korean economy, which relies on imports for most of its crude oil. High oil prices will increase domestic production costs, worsening corporate profitability, and fueling consumer price increases, thereby reducing households' real income. This could lead to a contraction in domestic demand. Furthermore, increased crude oil imports will heighten pressure for a worsening current account balance and exacerbate the rise in the KRW/USD exchange rate (weakening of the Korean Won), increasing concerns about foreign investment outflow. By industry, the refining and petrochemical industries are directly affected by crude oil price volatility, while the aviation and shipping industries will inevitably see profitability deteriorate due to increased fuel costs. In contrast, the defense industry and some shipbuilding industries may anticipate special effects from heightened geopolitical tensions. As safe-haven sentiment strengthens, gold (GOLD) prices are expected to continue their upward trend, and Bitcoin (BTC) may also be perceived as a safe-haven asset by some investors, but its volatility could increase amid a general risk-off sentiment.
Key Stock Analysis * S-Oil (010950, stock): International oil price increases raise crude oil purchasing costs for refiners, but if refining margins rise concurrently, it can lead to improved profitability. However, as oil price volatility increases, so does the risk of inventory valuation losses, making the trend of margin spreads crucial. Sentiment: Neutral
- SK Innovation (096770, stock): Similar to S-Oil, rising oil prices affect the refining segment. For the battery business segment, rising raw material prices could be a burden, but overall energy price increases could heighten long-term interest in alternative energy and battery demand. Sentiment: Neutral
- Korean Air (003490, stock): Rising jet fuel prices are one of Korean Air's largest cost burdens. While a surge in oil prices may be partially passed on through increased fuel surcharges, an overall deterioration in profitability is expected to be unavoidable. Sentiment: Negative
- Korea Electric Power Corporation (015760, stock): Rising international oil and natural gas prices directly increase Korea Electric Power Corporation's (KEPCO) fuel cost burden. This leads to pressure for electricity rate hikes, but if immediate rate increases are difficult due to government regulations, a deepening deficit is a concern. Sentiment: Negative
- WTI Crude Oil (WTI, commodity): Intensifying geopolitical risks in the Middle East and instability in the energy supply chain are key factors driving up WTI crude oil prices. The greater the concerns about supply disruptions, the more sharply prices could rise. Sentiment: Positive
- Gold (GOLD, commodity): As geopolitical uncertainties and inflation concerns deepen, safe-haven sentiment is strengthening, and gold prices are expected to maintain their upward momentum. Sentiment: Positive
- Bitcoin (BTC, crypto): Geopolitical risks could generate safe-haven demand among investors who perceive Bitcoin as 'digital gold'. However, at the same time, amid a general risk-off sentiment, there is a possibility of it falling in tandem with the stock market, leading to increased volatility. Sentiment: Neutral