Trading knowledge libraryWhat Is Broker Regulation and Why It MattersMarket Basics
Market Basics
What Is Broker Regulation and Why It Matters
A regulator is a public body that lets a broker operate only if it makes certain promises, written into a licence it can take away. This paper shows you the four promises that matter to a client, the floor under the account on a real falling day, the two jars that keep client money apart, the difference between a strict licence and a light one, and how to check a broker's number in the regulator's own register.
A regulator is a public body that decides who may run a brokerage in its country. It grants a licence, and the licence is a list of promises: things the broker must do, written down, that the regulator can check and can punish. Four of the promises carry most of the weight for the person holding the account. Client money kept in a separate bank account. No client ever left owing more than the account holds. Leverage — the multiplier that sets how small the deposit on a trade can be — capped for ordinary clients. And a referee, an ombudsman, outside the broker, who can order it to pay. A broker without a licence has made none of these promises to anyone.
The day the market jumps
The second promise is written for the day the price jumps instead of walking. On 28 August 2026 a fifteen-hundred-dollar account holding two lots bought at the open, 1.16530, was stopped out by the broker at 1.15896 with $233 left — the broker closed the trade when the account could no longer cover it, and the price was there to close it at. Had the price jumped through that level — at a scheduled release, or over a weekend — the trade would have been closed at the first price after the jump, and the account could have landed below zero. Under a strict licence the broker absorbs the part below zero. The account can be emptied; it can never owe.