What is worth knowing before you put money into copying someone’s trades.
Here I collect what I consider important for someone choosing whom to trust with money in copy trading. Not news and not advice on what to study: only what can be verified — my own calculations, other people’s open data, and a look at how the platforms are built and where money is lost there.
There will not be many of these. I write when there is something to show in numbers, not on a schedule: taking a market apart properly is weeks of work, and doing it for the sake of a post is pointless.