scenario analysis

Here is the surprising part. The most useful thing scenario analysis ever tells you is not what will happen, but what you can survive if the worst one does.

Most people think planning means picking the future they expect and building towards it. A landlord in Lekki expects rent income to rise every year, so he takes a loan assuming that. But scenario analysis asks him to also sit down and answer, what if two tenants leave at once, what if the naira falls further and building materials for repairs cost double, what if interest rates on his loan jump next year. He is not being pessimistic. He is being prepared, which is a completely different thing.

In investing, this looks like a Nigerian holding shares in a bank stock testing three futures at once. In the good scenario, the central bank cuts rates, the bank's loans perform well, and the share price climbs. In the bad scenario, a recession hits, bad loans pile up, and the price falls hard. In the middle scenario, things stay roughly flat. She does not need to know which one will happen. She needs to know she can still pay her children's school fees if the bad one does.

For someone in London sending money home every month, scenario analysis might mean asking, what happens to my transfers if the pound weakens against the naira for six months straight, or if I lose my job for two months. It turns a vague worry into a number you can actually plan around.

Fund managers do this formally, running spreadsheets that model interest rate changes, currency swings, oil price drops, election outcomes, all before deciding how much of a portfolio to risk. You can do a rough version on paper in ten minutes, and it will still make you sharper than most people who invest on hope alone.