exchange rate
An exchange rate is how much of one currency you get for another, and it quietly sets the price of almost everything you buy.
In plain English
An exchange rate looks like a number for traders. It is actually the price of your life.
Nigeria imports a great deal. Fuel, medicine, wheat, machinery, phones, the components inside almost everything. Every one of those is bought in dollars, and then sold to you in naira. So when the exchange rate moves, the price of bread moves, whether or not anybody explains why.
It also decides what your money is worth beyond your borders. School fees abroad, a flight, a medical procedure, a supplier in China. All of it is priced in a currency you must first buy.
There is a further layer that matters for anyone sending money home or receiving it. The rate you are given is often not the real rate. Transfer services frequently advertise low fees and take their profit by giving you fewer naira per pound than the market would. That gap is invisible unless you go looking for it.
So compare the naira that actually arrive, not the fee that is advertised, and understand that the rate is not economics. It is your groceries.
You need to pay a $2,000 supplier. At ₦1,200 to the dollar it costs ₦2.4 million. At ₦1,600 it costs ₦3.2 million. Nothing about the goods changed. Your cost rose by ₦800,000 while you were asleep.
Questions people ask
Why do the official and street rates differ?
When demand for foreign currency exceeds what is officially available, a parallel market emerges at a different price. A wide gap between the two is usually a sign of stress.
How do I get the best rate when sending money home?
Compare the final naira that land, not the advertised fee. Many services hide their charge inside a poor exchange rate.
Can I protect myself from exchange rate moves?
Partially, by holding some assets in foreign currency, which is a hedge. It costs something and it removes some, not all, of the risk.
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