Foreign investors' transactions on the Nigerian Exchange (NGX) fell by 25.90% month-on-month in May 2026, totaling N183.61 billion, down from N247.78 billion in April. This decline marks the worst performance for foreign investor participation in 2026, despite overall market activity reaching its highest monthly level of the year, according to Nairametrics.

In June, the Nigerian stock market experienced significant losses, with investors losing N13.3 trillion in value on the Nigerian Exchange Limited (NGX), marking the highest monthly loss recorded in the first half of the year. This decline is attributed to profit-taking activities among investors. Additionally, FTSE Russell has delayed Nigeria's Frontier Market status due to concerns regarding the T+1 settlement system, according to Vanguard Business.

In June, Nigeria's wealthiest investors experienced a significant decline in their stock holdings, losing an estimated N3.83 trillion in paper wealth due to a broad correction across major stocks on the Nigerian Exchange (NGX). This downturn affected the value of their listed equity holdings, highlighting the volatility in the market.

The Nigerian Exchange (NGX) experienced a decline of 1.21% over the past week, resulting in a loss of N1.8 trillion. This downturn follows the suspension of trading in the shares of Fortis Global Insurance Plc, which took effect on June 17, as the company prepares for a share reconstruction of its issued shares.

According to Nairametrics, an investor who invested N1 million in Aradel Holdings Plc shares on January 2, 2026, would have seen their investment grow to N2.11 million by June 30, 2026, due to the increase in the stock's price. The report discusses the best and worst performing stocks on the Nigerian Exchange for the first half of 2026.

In June 2026, the market capitalization of Nigeria's largest listed companies, categorized as SWOOT (Stocks Worth Over One Trillion Naira), decreased by N11.97 trillion month-on-month. This decline was attributed to profit-taking and foreign exchange pressures, leading to a significant sell-off in the stock market, according to Nairametrics.