Why is the KOSPI index so volatile today?

Oil above $100 has raised inflation fears and tightened financial conditions. That hit risk appetite, while retail leverage and concentrated weights in Samsung Electronics and SK Hynix amplified intraday moves. Headlines on the Middle East added gap risk, so price swings expanded and liquidity thinned, increasing whipsaws.

How does oil above $100 affect the KOSPI index?

Higher oil pushes up costs for transport and manufacturing, which pressures margins and earnings expectations. It also lifts inflation risk, which can keep rates tighter for longer. Together, those factors reduce equity risk appetite and raise KOSPI volatility, leading to larger intraday moves and faster de-risking.

What should Singapore investors watch this week?

Focus on Brent’s path around $100, any conflict or supply headlines, and updates on semiconductor pricing and orders. Watch KRW moves versus SGD, as currency can dominate returns. Also track policy comments on growth and inflation, which can shift the near-term equity risk backdrop quickly.

Is it sensible to buy Samsung Electronics or SK Hynix now?

Both benefit from the memory upcycle and AI demand, but near-term price action is driven by oil and positioning. If you buy, scale in over time, size smaller, and plan for more volatility. Use clear stop levels and consider currency exposure before adding to positions.

Global Market Insights

KOSPI Today, March 10: Oil Shock Drives Record-High Volatility

ByHuzaifa Zahoor March 10, 2026

On March 10, the KOSPI index whipsawed again as Brent oil pushed above $100 following Middle East escalation. For Singapore investors, pricier energy raises inflation risk and dents risk appetite. The KOSPI index ^KS11 is concentrated in Samsung Electronics and SK Hynix, so chip headlines drive big moves while retail leverage can amplify swings. We explain today’s drivers, how KOSPI volatility affects SGD portfolios, and practical steps to manage risk now. We also flag catalysts to watch over the coming days.