IMF says forex shocks alone don't justify naira intervention, CBN should assess broader factors

The IMF has warned that central banks shouldn't intervene in foreign exchange markets based solely on evidence of financial shocks, stressing the need for a broader assessment of market conditions and potential policy costs before taking action. This comes as Nigeria operates a floating exchange rate regime with growing foreign reserves and tight monetary policy.

According to the IMF's Staff Discussion Note, financial shocks account for only about one-third of exchange rate fluctuations in emerging markets, suggesting most currency movements reflect fundamentals that don't require policy intervention. The Fund cautioned that identifying a financial shock is "neither necessary nor sufficient by itself" to justify foreign exchange intervention, and policymakers must consider factors like reserve adequacy and effectiveness compared to alternatives such as macroprudential policies.

For Nigeria, this guidance is relevant as the Central Bank continues its tight monetary stance while external reserves have grown to $54.61 billion by mid-September 2026 - surpassing the CBN's full-year 2026 projection of $51.04 billion. The country also attracted $10.37 billion in foreign capital in Q1 2026, an 83.8% increase from the same period in 2025. With strong reserves and renewed investor interest, the CBN has more flexibility to allow exchange rate flexibility while monitoring market-functioning indicators as recommended by the IMF framework.

Given Nigeria's improved external liquidity and portfolio inflows, will the CBN maintain its current approach of limited intervention (reportedly just 1.2-1.3% of FX turnover) or adjust its forex management strategy in light of the IMF's caution against intervention based solely on financial shocks?

SOURCE: https://nairametrics.com/2026/09/18/imf-warns-financial-shocks-alone-do-not-justify-fx-intervention/