top down analysis
Top down analysis means studying the big economy first, then the sector, then the specific company, before you decide to invest.
In plain English
Uju's uncle in Lagos sells rice at Mile 12, and every December he tells her the same thing before Christmas rush, watch the exchange rate first, then watch how many people are travelling home for the holidays, then worry about which particular bag of rice to price low or high.
That is top down analysis, even though her uncle has never read a finance textbook in his life.
In investing, the same logic applies. You start with the whole economy, is inflation rising, is the central bank raising interest rates, is oil price helping or hurting Nigeria's foreign reserves.
Then you narrow down to a sector. If banks are about to benefit from higher interest rates, or if cement companies are set to gain from a new government housing plan, you look there next.
Only after that do you pick the actual company, maybe GTCO or Dangote Cement, and study its numbers, its management, its share price.
A Nigerian in the UK sending money home might do a small version of this without knowing it. She checks the pound to naira rate first, then decides whether property in Lekki or a business investment for her mother makes more sense that month, before choosing the specific plot or shop.
The opposite approach, bottom up analysis, starts with one company you like and works outward. Top down starts wide and narrows in, like scanning the whole market before zooming into one stall.
An investor sees that Nigeria's central bank has just raised interest rates to fight inflation. She reasons that banks will earn more from loans, so she studies the banking sector, then picks Zenith Bank shares trading at ₦45 per share after comparing it with other banks in that sector.
Questions people ask
Is top down analysis better than bottom up analysis?
Neither is better on its own, they answer different questions. Top down helps you decide where to look, bottom up helps you decide what exactly to buy once you are looking. Many serious investors use both together.
Can an ordinary person without finance training use top down analysis?
Yes, and many Nigerians already do this instinctively when they notice fuel prices or exchange rates before making business decisions. The skill is simply being deliberate about it, writing down what you notice about the economy before you invest, rather than just picking a company because someone mentioned it.
Does top down analysis work for the Nigerian stock market specifically?
It works well because Nigerian sectors react strongly to government policy and oil revenue. Watching interest rate decisions from the central bank or new fuel subsidy policies often tells you which sectors, like banking or consumer goods, are about to move before you even look at individual company shares.
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