PortInvesting Guides
Clear answers to questions every investor asks in their first few years. No jargon, no empty promises.
All Guides
When Do Companies Publish Earnings? Dates for WSE and US Stocks
How earnings season works, when WSE and US companies report, and why the timing of publication (pre-market or post-market) matters.
GuideHow to Read a Company's Quarterly Report
Where to start when reading a quarterly report, which numbers to look at first, and what red flags are easy to miss.
GuideHow to Calculate Your Portfolio's Rate of Return Accurately
Why "what I have minus what I invested" is a poor metric, what differentiates XIRR from TWR, and which number to compare to an index.
GuideHow to Start Investing in the Stock Market
Where to start investing: brokerage account, first portfolio, ETFs vs. individual stocks, and common beginner mistakes.
GuideThe Costs of Investing in the Stock Market
Commissions, spreads, currency conversion, management fees, and taxes — a complete list of costs that eat into returns, with examples.
GuideCompany Financial Ratios
An overview of the most important financial ratios: what they measure, how to read them in the context of the industry, and where each one can be misleading.
GuideHow to Track Your Investment Portfolio
What a portfolio tracking tool needs to do, where spreadsheets fall short, and what numbers are truly worth having at your fingertips.
GuideHow to Read ESPI Reports for WSE Companies
What ESPI current reports are, which announcements actually move the share price, which are formalities — and where to find them.
GuideEarnings Season
What to do before earnings season: review dates, check market expectations, and assess how much your companies typically react after reports.
About these articles
We write about what we do in the app: earnings release dates, calculating returns, costs, and ratios. No market forecasts, no "sure bets," and no recommendations — Portevo is not an investment advisor and does not pretend to be one.
Each article ends with a link to the feature that solves the described problem — but only after answering the question.
From theory to your own numbers
Earnings calendar and portfolio in one app, in English, for free.
Portevo is not an investment advisor. The data and analyses are for informational and educational purposes only and do not constitute a recommendation or an offer to buy or sell financial instruments. Quotes are from external providers and may be delayed. You make investment decisions at your own risk.
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