What indicators can help me determine whether an investment is becoming too expensive?
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Ahh, my dear, let me tell you how you can know when an investment has become too expensive. Imagine you are at Mama Ngozi's market, selling your ripe, juicy tomatoes. Now, when your tomatoes are at their peak, many customers flock to your stall because they know your tomatoes are top quality.In theRead more
Ahh, my dear, let me tell you how you can know when an investment has become too expensive. Imagine you are at Mama Ngozi’s market, selling your ripe, juicy tomatoes. Now, when your tomatoes are at their peak, many customers flock to your stall because they know your tomatoes are top quality.
In the same way, when an investment becomes overvalued, many investors rush to buy it because they believe it will keep going up in price. This increased demand can make the investment more expensive than its true value, just like when demand for your tomatoes skyrockets at harvest time, even though they’re just tomatoes.
So, how can you tell if an investment is overvalued? One big sign is when the price of the investment is much higher than its true worth. Just like when a customer offers to buy all your tomatoes for ten times the normal price, you know something fishy is going on.
Another indicator is when the investment’s price keeps rising even though the company’s profits or the asset’s value haven’t increased. It’s like if the price of your tomatoes kept going up, but the quality or quantity stayed the same.
Lastly, when everyone around you, from your fellow traders at the market to the newspapers you read, can’t stop talking about how amazing the investment is and how you’re missing out on a goldmine, it might be a sign that things are getting a bit too hot.
Remember, just like you wouldn’t want to sell your tomatoes for too cheap or buy them for too much, the same goes for investments. It’s all about finding the balance between the price you pay and the value you get. Happy investing, my dear!
See lesslet me first explain what you mean by overvalued, if am right. What Does “Overvalued” Mean? Overvalued means an investment is priced higher than its underlying economic value or what its future earnings and cash flows reasonably justify. this is 3 points to know if your Investment Has Become OvervalRead more
let me first explain what you mean by overvalued, if am right.
What Does “Overvalued” Mean?
Overvalued means an investment is priced higher than its underlying economic value or what its future earnings and cash flows reasonably justify.
this is 3 points to know if your Investment Has Become Overvalued?
1. Price has risen faster than its underlying value
If the investment’s price increases significantly while its earnings, cash flow, assets, or business performance do not grow proportionally, it may be overvalued.
2. The valuation becomes unusually expensive
Compare measures such as P/E, P/B, dividend yield, or price-to-cash-flow with the investment’s historical levels and similar investments. Extremely high valuations can be a warning sign.
3. Expectations become unrealistic
When investors are pricing in extremely high future growth and the investment can only justify its price if everything goes perfectly, the risk of overvaluation increases.
Simple rule: A good investment can still be a bad investment if you pay too much for it.
Henry Paul Akinmade.
See lessBusiness Educator
Key indicators to watch 1 High PE ratio Price is much higher than company earnings 2 High PB ratio Price is much higher than company assets 3 Price rise too fast with no real growth in profit 4 Dividend yield drops very low compared to history 5 Everyone is talking about it and hype is too much 6 AnRead more
Key indicators to watch
1 High PE ratio Price is much higher than company earnings
2 High PB ratio Price is much higher than company assets
3 Price rise too fast with no real growth in profit
4 Dividend yield drops very low compared to history
5 Everyone is talking about it and hype is too much
6 Analysts say fair value is far below current price
7 Company debt is rising but price keeps going up
Simple rule
See lessIf price is growing faster than earnings and cash flow the investment may be too expensive
One simple way to think about it is this: An investment may be overvalued when the price has risen far beyond what the underlying asset can reasonably justify. But there isn't one magic number that tells you, “This is overvalued.” You have to look at a few things. 1. Compare price with fundamentalsRead more
One simple way to think about it is this:
An investment may be overvalued when the price has risen far beyond what the underlying asset can reasonably justify.
But there isn’t one magic number that tells you, “This is overvalued.” You have to look at a few things.
1. Compare price with fundamentals
For shares, look at things like earnings, revenue, cash flow and the company’s growth prospects. If the share price keeps rising while the actual business isn’t improving at the same pace, that’s a warning sign.
2. Look at valuation ratios
For stocks, metrics such as P/E (Price-to-Earnings), P/B (Price-to-Book) and EV/EBITDA can help you compare the company’s valuation with its own history and similar companies.
3. Compare it with its peers
If similar companies are trading at much lower valuations without a good reason for the difference, you should ask yourself why investors are willing to pay so much more for this particular asset.
4. Watch investor behaviour
When people start buying simply because “the price keeps going up” rather than because they understand the investment, that’s a potential warning sign.
You may also see excessive hype, unrealistic return expectations and people saying things like “it can only go up.”
5. Ask the most important question:
«“If I had to buy this investment today, would the underlying fundamentals justify the price I’m paying?”»
If the answer is no, the investment could be overvalued.
And remember, overvalued doesn’t necessarily mean the price will fall tomorrow. An asset can remain overvalued for months or even years. That’s why valuation should be combined with your investment goals, risk tolerance and time horizon.
In simple terms: Don’t just ask how much an investment has gone up. Ask whether the underlying value has grown enough to justify that price.
See lessOne of the biggest mistakes an investor can make is confusing a good company with a good price. A company can be excellent and still be a bad investment if you pay far more than the business is worth. For example, imagine Company A is a very strong Nigerian company. Its profit is growing, its debt iRead more
One of the biggest mistakes an investor can make is confusing a good company with a good price.
A company can be excellent and still be a bad investment if you pay far more than the business is worth.
For example, imagine Company A is a very strong Nigerian company.
Its profit is growing, its debt is under control and it has excellent management.
Its share price is ₦100 today.
If investors become extremely excited and push the price to ₦300 while the company’s earnings have barely changed, I would start asking:
“Has the business become three times more valuable, or have investors simply become three times more optimistic?”
That’s where valuation comes in.
1. P/E ratio
The Price-to-Earnings (P/E) ratio is one of the simplest indicators.
If a company earns ₦10 per share and the share price is ₦100:
P/E = ₦100 ÷ ₦10 = 10x
If the price rises to ₦200 while earnings remain ₦10:
P/E = 20x
The company hasn’t doubled its profit, but investors are now paying twice as much for the same ₦1 of earnings.
That doesn’t automatically mean it is overvalued. Perhaps investors expect earnings to grow substantially.
But it is a warning to investigate.
2. Compare P/E with competitors
Never look at P/E in isolation.
Suppose:
Bank A: P/E = 6x
Bank B: P/E = 7x
Bank C: P/E = 8x
Bank D: P/E = 18x
Bank D isn’t automatically overvalued.
Maybe its profit is growing much faster than the others.
But if all four banks have similar growth, profitability and risk, paying 18x earnings deserves serious questioning.
The important comparison is:
Valuation + growth + quality + risk
not valuation alone.
3. Compare today’s valuation with the company’s own history
Suppose a stock normally trades around:
8x–12x earnings.
Then suddenly investors are paying:
25x earnings.
Ask:
«”What has fundamentally changed?”»
If profits are expected to double, the higher valuation might be justified.
If nothing significant has changed, the stock may simply be experiencing excessive optimism.
4. Price-to-Book (P/B)
This can be particularly useful for certain businesses, especially financial companies.
Suppose a bank’s book value per share is ₦50.
If the share price is ₦75:
P/B = 1.5x
If the share price rises to ₦200 while book value remains ₦50:
P/B = 4x
Again, that doesn’t automatically mean the bank is overvalued.
A bank generating very high returns on its equity may deserve a higher P/B than a poorly managed bank.
The key is comparing the valuation with ROE and expected growth.
5. Dividend yield
Suppose a company pays a ₦10 annual dividend.
At ₦100 share price:
Dividend yield = 10%
If the price rises to ₦200 while the dividend remains ₦10:
Dividend yield = 5%
The company didn’t reduce the dividend, but the investment has become more expensive relative to the income it provides.
This can be useful for dividend-focused investors.
However, don’t buy simply because a dividend yield is high. A high yield can sometimes be caused by a falling share price or an unsustainable dividend.
6. Earnings growth versus price growth
This is one of the most useful tests.
Imagine:
Company profit grows:
2023: ₦10bn
2024: ₦11bn
2025: ₦12bn
That’s roughly 10% growth over the period.
But the share price goes:
₦50 → ₦80 → ₦140
The share price has increased much faster than the underlying earnings.
I would investigate whether future growth expectations justify that huge increase.
If earnings are expected to accelerate dramatically, the price may still make sense.
If not, the stock could be becoming expensive.
7. Look at the PEG concept
PEG compares the P/E ratio with earnings growth.
For example:
Company A:
P/E = 10x
Expected earnings growth = 10%
PEG ≈ 1
Company B:
P/E = 30x
Expected earnings growth = 10%
PEG ≈ 3
Company B is demanding a much higher valuation for the same expected growth.
PEG isn’t a magic formula and forecasts can be wrong, but it helps you ask the right question:
“Am I paying too much for the growth I’m getting?”
8. Watch profit margins
Sometimes investors become excited because revenue is growing.
But if the company’s profit margin is falling, the growth may not be as attractive as it looks.
Example:
Revenue grows from ₦100bn to ₦150bn.
Sounds great.
But profit only grows from ₦15bn to ₦16bn.
Revenue increased 50%, but profit increased only about 7%.
That deserves investigation.
If the share price meanwhile doubles, the stock could be getting expensive relative to the actual improvement in profitability.
9. Check cash flow
This is another excellent reality check.
Suppose a company reports:
Profit = ₦50bn
But operating cash flow = ₦5bn.
Then ask:
“Why isn’t the reported profit turning into cash?”
There can be legitimate reasons, especially because of working-capital movements, but persistent divergence deserves investigation.
A rising share price combined with weak underlying cash generation is something I would not ignore.
10. Look at the entire market and interest rates
Valuation doesn’t exist in isolation.
Suppose Nigerian government securities are offering relatively attractive yields.
An investor may compare:
Risk-free/low-risk government securities: attractive yield
versus
Stock: expensive valuation + uncertain earnings
The stock may need a stronger expected return to compensate for the additional risk.
This is why interest rates can influence what investors are willing to pay for shares.
A realistic Nigerian example
Imagine you are considering a hypothetical Nigerian bank.
At ₦40:
– EPS = ₦8
– P/E = 5x
– Dividend = ₦4
– Dividend yield = 10%
– ROE = 20%
You continue watching it.
Two years later:
Price = ₦120
EPS = ₦10
Dividend = ₦4
ROE = 20%
Now:
P/E = 12x
and
Dividend yield = 3.3%
The share price has tripled from ₦40 to ₦120, but EPS has only increased from ₦8 to ₦10.
The business improved, but the market price increased much faster than earnings.
That doesn’t automatically mean:
SELL!
It means:
“I need to reassess the valuation.”
Maybe the bank has huge future growth opportunities.
Maybe investors expect EPS to rise from ₦10 to ₦20.
If that happens, today’s ₦120 may turn out to be reasonable.
But if EPS is expected to remain around ₦10–₦12 for years, paying ₦120 may be difficult to justify.
The biggest warning sign
For me, one of the strongest warning signs is:
Share price ↑↑↑
while
Earnings ↑ slowly
and
Cash flow ↑ slowly or falls
while
Valuation multiples become much higher than competitors or the company’s historical range.
That combination deserves serious caution.
Don’t use one indicator
I wouldn’t say:
«”P/E is 20x, therefore the stock is overvalued.”»
Instead, I would use a checklist:
Price
↓
Earnings
↓
EPS
↓
Cash flow
↓
ROE
↓
Debt
↓
P/E
↓
P/B
↓
Dividend yield
↓
Expected growth
↓
Competitor valuation
↓
Historical valuation
↓
Industry/economic conditions
Then make a judgement.
And there’s another important distinction:
Overvalued doesn’t necessarily mean the price will fall tomorrow.
A stock can remain overvalued for months or even years if investors continue believing that future growth will justify the price.
Likewise, an undervalued stock can remain cheap for a long time.
So instead of trying to predict exactly when the price will crash, I would ask:
«”At today’s price, am I getting enough future earnings, cash flow and business growth to justify the risk?”»
That’s a much more useful question for a long-term investor than simply asking whether the chart is green or red.
See lessWe can look at it 2 different ways One - your purchasing power to the amount to you want to invest Two - the kind of business you want to invest in but the value is lower than the money to be invested
We can look at it 2 different ways
See lessOne – your purchasing power to the amount to you want to invest
Two – the kind of business you want to invest in but the value is lower than the money to be invested