Most of the money a retail trader loses is not lost dramatically. It leaves in small, regular amounts through charges that never appear on the same screen at the same time, and through decisions made in the middle of a position rather than before it. That is the lens this article applies to major, minor and exotic pairs: liquidity and cost compared: what our desk found.
Start with the arithmetic. A trader placing four round trips a day on a single lot, paying an all-in cost of roughly 0.8 pips, spends something in the region of £30 a day before a single view has been right or wrong. Across a trading year that is a five-figure number, and it is entirely under your control in a way that the direction of the market never is.
The second half of the arithmetic is drawdown. A 20% loss needs a 25% gain to get back to level; a 50% loss needs 100%. Position sizing, not prediction, is what keeps you on the flat part of that curve. Everything below is written with that constraint in mind.
There is a third element people rarely price at all, which is friction. Every extra second between deciding and executing, every re-quote, every platform that logs you out mid-session, has a cost that never shows on a statement but shows up in results. Over a year of trading it compounds in the same direction as spread does, and unlike spread nobody advertises it.
It also helps to be honest about what a broker actually is. It is not a partner and it is not an adversary; it is a counterparty running a business whose revenue comes from the volume you generate and, on some models, from the other side of your position. Understanding which model you have signed up to explains almost everything about the pricing you are shown, the leverage you are offered and the promotional emails that arrive when you have been quiet for a fortnight.
The reason major, minor and exotic pairs: liquidity and cost compared: what our desk found sits at the centre of that relationship is that it is one of the few areas where the information asymmetry can be closed by an ordinary retail account. You cannot see the order book a bank sees, but you can read your own statements, time your own fills and total your own charges. Every conclusion in this article was reached that way, which is also why it can be checked rather than simply believed.
None of this requires a complicated method. It requires knowing what you are paying, knowing where you are wrong before you enter, and writing both down where you will read them again. The traders who survive their first two years are almost never the ones with the cleverest analysis; they are the ones whose costs were low and whose losses were small.