Why the World's Best-Performing Stock Market Isn't in Your Index

On February 29, 2024, MSCI deleted Nigeria from its Frontier Markets indexes at an effective price of zero. Not a discount. Not a haircut. Zero — the index provider's way of telling the world that money which went into Lagos could not be counted on to come back out.

Twenty-nine months later, the market MSCI wrote down to nothing is putting up arguably the best equity return on earth. The NGX All-Share Index closed near 241,400 this week — up roughly 53–57% year-to-date in naira, and about 67% in dollar terms once you account for a currency that has stopped falling. Depending on whose ranking you use, that is either the best performance of any stock market in the world this year or a close second to Seoul. Either way: the top of the global league table is occupied by a market that no major global index will touch.

That combination — world-beating returns, total index invisibility — does not happen often. When it does, it is usually telling you something the classification committees haven't caught up to yet.

The expulsion

Nigeria's removal from the index world was earned. Between 2020 and 2023, the central bank ran a defended, fictional exchange rate. Foreign investors could buy Nigerian stocks but couldn't reliably convert their naira proceeds and leave; at the worst point, the repatriation queue stretched past a year and the backlog swelled to an estimated $7 billion. FTSE Russell demoted Nigeria to unclassified status in 2023. Global X liquidated the only dedicated US Nigeria ETF — ticker NGE — the same year, telling investors the fund had shrunk to irrelevance. MSCI's zero-price deletion in February 2024 was the final door closing.

So the entire passive-access layer to Africa's largest economy died within about eight months. Every index fund, every frontier-markets mandate benchmarked to MSCI or FTSE, every ETF allocator — all of them were mechanically forced out, or never allowed back in, regardless of what they thought about the fundamentals.

What changed underneath

The same period produced the most aggressive economic reform program in Nigeria's modern history. President Bola Tinubu scrapped the fuel subsidy that consumed a quarter of the federal budget, floated the naira, and replaced the central bank's leadership. The immediate result was carnage: the currency collapsed past ₦1,600 to the dollar, inflation peaked near 35%, and living standards absorbed the worst squeeze in a generation.

That was the price. In 2026, the goods arrived:

• The naira has been stable for over a year, trading in a ₦1,350–1,430 band, with the official and street rates finally converged — the single most important fix, because it's what trapped foreign capital in the first place.
• Inflation has fallen by more than half from its peak, printing around 15.7% in April, while the central bank under Olayemi Cardoso holds its policy rate at 26.5% — roughly ten points of positive real yield, among the highest in the world.
• Foreign reserves have crossed $45 billion, the strongest in years, and the FX repatriation backlog that triggered the index expulsions was cleared back in 2024.
• Oil production hit 1.56 million barrels per day in June — a 74-month high, above Nigeria's OPEC quota — just as the Strait of Hormuz risk premium made Atlantic-basin barrels that never touch the Persian Gulf strategically precious.
• The banking system just recapitalized. The central bank's ₦4.65 trillion (~$3.4 billion) recapitalization program concluded on March 31 with 33 of 37 banks meeting the new capital floors — the largest equity-raising wave in Nigerian market history, and the fuel behind a banking index up more than 60% this year.

Here is the part that should stop you: foreigners are not driving this rally. Foreign investors' share of NGX trading fell to 9.45% in May — the lowest of the year. Nigerian pension funds, institutions, and retail investors own this move almost entirely. The best-performing market on earth is running on domestic capital, at valuations set without a single index-driven dollar.

Which raises the only question that matters for anyone outside Lagos: what forces global capital back in — and what do you own before that happens?

The rest of this briefing is for paid members: the two dated catalysts that could force foreign re-entry within twelve months, the London-listed side doors that let you own this market today, the flow math on what index re-inclusion would actually buy, and the four-part risk map — including the one lesson from the zero-price deletion that should govern position sizing.

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