1Wk·

📈 Find the right share?

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Investing can be easy - if you know the right criteria. 💡


When choosing shares, you should not only look at the share price, but also at real key figures that measure growth and profitability.


🔹 Rule of 40 - the rule of thumb for growth companies:


Add sales growth + EBITDA margin. If the value is above 40%, you are on a profitable growth path.


🔹 IRS (Investment Return Score) - the clever filter:


If you divide the Rule of 40 by the market capitalization, you can see which companies grow most efficiently per dollar invested.


✅ Advantage:


  • You recognize small, efficient growth companies.


  • You avoid large, expensive companies that offer less potential per dollar invested.


Application examples:


Palantir :


Rule of 40 (%) = 94

Market capitalization = 379 billion USD

IRS = 0.248


NVIDIA:


Rule of 40 (%) = 163

Market capitalization = USD 1,000 billion

IRS = 0.163


Robinhood:


Rule of 40 (%) = 92

Market capitalization = USD 25 billion

IRS = 3.7


  • A higher IRS does not necessarily mean that $HOOD (-0.84%) "better" or more profitable, but that the score appears more attractive in relation to the market capitalization.


  • IRS is a screening tool, not an absolute measure of future returns.


  • NVIDIA could still be a safer, stable and highly profitable investment, only the IRS is lower due to the high market capitalization.



Invest smart, not just by gut feeling! 🚀


What does it look like for you? What criteria do you use to buy new shares?


#Aktien
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#Finanzwissen

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13 Comments

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1% Smart
99% gut feeling 😂
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@Simpson That's how we love the stock market 🤣
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@Simpson + logo + name are also absolutely crucial 😎
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Thanks for the explanations. Which key figure do you find more meaningful for up-and-coming small caps, which I trade a lot? I primarily look at sales growth and margin as well as costs. If these are good over the next 2-3 years, I consider getting in. I wouldn't consider the 3 examples you gave as individual investments, but for trading.
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@Multibagger I agree. Small companies often make a lot of losses and it takes time for investments to take effect. That's why sales growth must definitely be good and debts must not increase too much. I also look at competitors. Drones, for example, are currently in high demand. But if you have 100 companies that manufacture drones, you need a unique selling point
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So in short, a high IRS at a lower market capitalization could be a new top performer, if I understand correctly?
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@TradingHase That's the theory. As the market is not yet saturated, a lot of money can still flow into the company. When companies move up into the DAX or the S&P500, for example, many investors hope that all the funds and ETFs will demand the securities. It also gives the company greater visibility and prestige
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@Brandon90 Thanks for the explanation. I took a look at the example of Bloom Energy and came up with an IRS of 3.96. That would not be too attractive, despite the positive posts. 🤔
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I come in at 0.8 short at market cap USD 19.8 billion.

Sales growth: ~ 10.5
EBITDA margin: ~ 5.61 %
Rule of 40 = 10.5 + 5.61 = 16.11 %
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I must have taken the wrong values. Google is lying! 😂
It's a better value, but not so great for your examples.
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@Brandon90 Where can I find the correct data?
At Marcotrends I get this info
Bloom Energy net profit margin for the quarter ending June 30, 2025 was 1.41%.
Bloom
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I like Joel Greenblatt's approach.
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Hello dear Brando 90, can you please give me another simple calculation as I have so far tried to calculate it myself without success. Take Grab Holdings as an example. Can you maybe write me private messages would be grateful and I am just fresh in the stock market because I would like to learn a lot of new things. Many thanks, best regards Robin
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