specific risk
Specific risk is the danger tied to one company or share alone, the kind you can shrink simply by not putting all your money in it.
In plain English
Why did that one stock crash while the rest of your portfolio barely blinked? That question sits at the heart of what specific risk means.
Specific risk, sometimes called unsystematic risk, is the danger that belongs to one company alone. It has nothing to do with the wider economy or the stock market in general. It could be a bad management decision, a scandal, a factory fire, a product that failed, or a court case that goes wrong. That risk lives inside that one company's walls.
Say you put ₦2,000,000 into shares of a single Nigerian bank because your cousin swears it is the next big thing. If that bank suddenly faces a regulatory fine or a leadership scandal, your ₦2,000,000 can take a hit even while every other bank on the exchange is having a normal, calm week. That is specific risk doing its damage, narrow and personal to that one company.
Compare that to a Nigerian who spreads money across shares in banking, telecoms, consumer goods and oil, or someone in London holding a mix of shares on the FT 100 rather than betting everything on one firm. If one company stumbles, the others can hold steady or even rise, softening the blow. That is the whole point of diversification, it does not remove risk from the world, but it removes the risk that one company's bad day becomes your bad year.
A Nigerian in Manchester sending money home to invest often learns this the hard way after putting everything into one hot tip from a WhatsApp group. Spreading that same money across several shares or a diversified fund would not guarantee profit, but it would mean one company's misfortune does not sink the whole plan.
Specific risk is the reminder that markets forgive spread far more kindly than they forgive concentration.
An investor puts ₦2,000,000 into one Nigerian bank's shares. A scandal hits that bank alone and the shares fall by 30 percent, wiping out ₦600,000. Had the same ₦2,000,000 been spread across five different companies in different sectors, that one scandal would only have dented a fifth of the money, not all of it.
Questions people ask
Is specific risk the same as market risk?
No. Market risk affects everyone in the market at once, like a recession or interest rate hike. Specific risk only affects one company or a small group tied to it, so it can be reduced by diversifying, while market risk cannot.
Can specific risk ever be fully removed?
Not fully, but it can be reduced a lot by holding shares across different companies and sectors rather than putting everything into one. A diversified fund is built exactly for this purpose.
How do I know if my portfolio has too much specific risk?
If a large chunk of your money sits in one company or one sector, you are carrying more specific risk than necessary. A simple check is to ask what happens to your total savings if that one company has a terrible year.
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