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Independent investing, with real data Run the numbers before you invest
Calculators, market analysis and the day’s key drivers for private investors.
- No sign-up
- We don’t store your figures
- Excel and PNG report
After 25 years you’d have
€167,740
- You put in
- €61,000
- Interest
- €106,740
Try it hereCompound interest
Continue with these figuresTheoretical projection starting from €1,000, with a constant return and no fees, taxes or inflation. Investing carries a risk of loss.
Free investment calculators
No sign-up, instant results, right in your browser.
Compound interest calculator and the rule of 72
How much your money grows with regular contributions, and how many years it takes to double under the rule of 72.FIRE financial independence calculator
How much capital you need to live off your investments, and how many years it will take.Dividend and passive income calculator
How much income your portfolio pays each month, and how far you are from living off it.Investment simulator and comparison
Two scenarios head to head, fees included: which one leaves you with more wealth.Average share price
Your real cost after several purchases with fees, plus your break-even price.Annualised return calculator (CAGR)
The annual return you really earned, contributions included.
For example
10.3 years
to double your money at 7% a year, by the rule of 72.
Latest What’s moving the market
Monday, November 2, 2026
Latest news
- Dow Jones Ends Week Lower After AI Results; Nasdaq Slumps on IA Fears
- Intel Drops Sharply on Miss; 28% Slide Spurs Tech Selloff
- Bitcoin Drops as Binance Hack Stirs Crypto Security Debate
- Bitwise raises Bitcoin price forecast to 1.6 million by 2036
Market analysis
Macro · Rate hikes return: oil forces the Fed and the ECB to change courseThe Fed and the ECB resume rate hikes in response to the oil-driven inflation shock linked to the conflict with Iran. With Euribor at 2026 highs, a tense diplomatic path opens over Hormuz.Currencies · The yen could trigger a global shock without most investors seeing it comingEquities · 2026: La gran digestión y el salto a la IA industrialAll analysisHow we work Straight numbers
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All six calculators are free, with no sign-up. We don’t store the figures you enter.
Twice a day
Stock market news at 07:45 and 22:30 Madrid time, Monday to Friday.
Transparency
We flag affiliate links and disclose our use of AI. What we publish is information: it doesn’t replace an adviser.
Weekly briefing
Every Monday in your inbox: the market round-up to start the week prepared.
- Key news, domestic and international
- Trends and investor sentiment
- Macro data, earnings and dividends
- Technical analysis of the indices
Monthly bonus: A detailed economic report
Sources: Bloomberg, Reuters, ECB, Goldman Sachs...
And you will be among the first to know when the portfolio Dashboard launches. See what it will do
Recommended by Smart Money Activity
What we use and what we have written, explained on our own pages.
Comiendo con Warren Buffett
Our book (in Spanish): meet the investor and his 10 best investing tips.
See the bookTIKR Terminal
The fundamental analysis tool we recommend, with a free plan.
Read the guideInvesting in index funds
Our own guide: robo-advisor, automatic ETF plan or do it yourself, with costs compared.
Read the guideOur portfolios and brokers
Which brokers we use for each portfolio and how to compare their costs.
Go to the comparison toolSome of these pages include affiliate links, always disclosed.
