By Priye Briggs
Nigeria has taken the lead as the world’s best-performing equity market, pushing South Korea out of the top spot. Data from analytics firm Global Markets Investor shows Nigerian stocks have delivered higher dollar-based returns than Korean stocks and are now set to lead global markets for 2026.
Since January, Nigeria’s benchmark index has climbed about 68% in dollar terms, marginally ahead of South Korea’s KOSPI, which has returned roughly 66%. The ranking draws from Bloomberg figures tracking 92 exchanges globally.
The shift followed a steep decline in Seoul. Global Markets Investor noted that the KOSPI has dropped around 22% from its June 19 high and slipped into a technical bear market this week after investor appetite for AI-linked shares weakened. Currency pressure also weighed on Korea, with the won losing nearly 5% year-to-date, ranking it as Asia’s fourth weakest currency so far in 2026.
Nigeria’s rally has been driven by economic reforms, rising crude prices, and improved forex liquidity. The naira has appreciated by about 4% since the start of the year. Unlike Korea’s AI-heavy market, Nigeria’s surge has been powered by financial stocks. Fortis Global Insurance alone has jumped roughly 1,483% in dollar terms.
Despite ceding the number-one position, Korea’s market remains volatile. Analytics platform Bull Theory reported that the KOSPI triggered its buy-side safety mechanism after a 5.5% single-day surge. The system, called a “sidecar,” briefly halted algorithmic orders to curb excessive moves; a rare occurrence during a rally. That surge added over 335.5 trillion won (about $225 billion) to market capitalization.
The contrasting performances highlight a wider rotation in global capital. South Korea’s pullback underscores the risk of relying on one sector, while Nigeria’s ascent reflects growing investor interest in markets backed by policy reforms, commodities, stronger currency, and growth in the domestic financial sector.