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.

According to the Central Bank of Nigeria's monthly economic report for February 2026, net foreign exchange inflow into the economy decreased by 24 percent month-on-month, falling to $6.92 billion from $9.22 billion in January. The report indicated that this decline was driven by various factors, although specific reasons were not detailed in the blurb.

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.

The naira experienced its most significant daily decline since April, closing at N1,389 per dollar in the official foreign exchange market on June 24, 2026, according to Nairametrics.

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.