The short answer
An order is an instruction to your broker. A market order fills immediately at the current price. A limit order waits for a better price — buy below the market, sell above it. A stop order triggers at a worse price — buy above the market or sell below it — used for breakouts and, crucially, for your stop-loss. A take-profit is a limit order that closes a winner. Every trade you open should already have a stop-loss attached.
Market orders
A market order says “fill me now, at whatever the current price is.” It prioritises certainty of execution over price. You will pay the spread and, in fast markets, possibly a little slippage.
Market orders are right when getting in or out now matters more than getting a specific price — for example, exiting a trade that has invalidated your idea. Do not use them to chase price you have already missed.
Limit orders
A limit order waits for a better price than the current one. A buy limit sits below the market; a sell limit sits above it. It only fills at your price or better, so you never pay worse than intended — but it may never fill if price does not reach it.
Limits suit patient, level-based entries: you have decided the price you want, and you let the market come to you rather than chasing it.
Stop orders
A stop order is the mirror image: it triggers at a worse price than the current one. A buy stop sits above the market, a sell stop below. Once price touches the level, the stop becomes a market order and fills.
Two common uses: entering a breakout (buy stop above resistance so you only get in if price breaks out), and — most importantly — your protective stop-loss.
Stop-limit orders
A stop-limit combines the two: when the stop price is hit, it places a limit order rather than a market order. You gain price control — it will not fill worse than your limit — but you risk no fill at all if price gaps straight through.
Useful in specific situations, but for a beginner it adds complexity. A plain stop is usually the safer default, because in the one moment you most need to be filled — a fast move against you — a stop-limit can leave you in the trade.
Stop-loss and take-profit
These are the two orders that turn a trade into a plan. A stop-loss is a stop order that closes your position at your maximum acceptable loss; a take-profit is a limit order that closes it at your target. Set both when you open the trade, not later.
The stop-loss is what makes position sizing possible: the distance to your stop, in pips, is exactly what you size against. A trade without a predefined stop is not a trade — it is an open-ended bet.
Which order should you use?
Keep it simple. Use a market order to exit or to enter when timing beats price. Use a limit to enter patiently at a level. Use a stop to catch a breakout and, always, to hold your stop-loss.
You do not need exotic order types to trade well. Master these, attach a stop-loss to every position, and the plumbing of execution stops being something you think about mid-trade.
Frequently Asked Questions
What is the difference between a market order and a limit order?
A market order fills immediately at the current price. A limit order waits for a better price — below the market for a buy, above it for a sell — and only fills at that price or better, so it may not fill at all.
What is a stop order in forex?
A stop order triggers at a worse price than the current one — above the market for a buy, below for a sell. When price reaches the level it becomes a market order. It is used for breakouts and for stop-loss orders.
What is the difference between a stop and a stop-limit order?
A stop order becomes a market order when triggered, so it prioritises getting filled. A stop-limit becomes a limit order when triggered, so it controls price but may not fill if price gaps past your limit.
What is a stop-loss and a take-profit?
A stop-loss is a stop order that closes your position at your maximum acceptable loss. A take-profit is a limit order that closes it at your target. Set both when you open a trade.
Which order type should a beginner use?
Market orders to exit or enter when timing matters, limit orders for patient level-based entries, and stop orders for breakouts and stop-losses. Always attach a stop-loss to every position.