Pending Orders Explained: Buy Stop, Sell Stop, Buy Limit, Sell Limit

A pending order is an instruction to open a position later, at a price the market has not reached yet. There are four of them and the names are unhelpfully similar, but the logic is simple once you see where each sits: two wait above the current price and two wait below, and within each pair one bets that the move continues and the other that it comes back.

The four, and where each one sits

Take the current price as the middle of the picture. Two orders wait above it and two below, and what separates them within a pair is the direction you intend to trade.

• Buy stop: above the price. Buys if the market rises to it — a bet on the move continuing upward.

• Sell limit: above the price. Sells if the market rises to it — a bet on the rise being rejected.

• Sell stop: below the price. Sells if the market falls to it — a bet on the move continuing downward.

• Buy limit: below the price. Buys if the market falls to it — a bet on the fall being bought back.

One line separates the two families. A stop order enters in the direction the market is already moving; a limit order enters against it. Every other difference follows from that.

Stop orders: entering on a breakout

A buy stop above a range, or a sell stop below one, is the mechanical form of trading a breakout. You are not predicting the break, you are pre-authorising an entry in case it happens, which is what makes the order useful: it removes the requirement to be watching at the moment it does.

It comes with the costs of a market-type entry, because a stop order becomes a market order when triggered. A break that happens quickly is filled beyond your level, and a break that happens at a data release can be filled well beyond it. The slippage on the breakout you wanted is the price of not having to be at the screen.

Limit orders: entering on a pullback

A buy limit below the price, or a sell limit above it, is the mechanical form of waiting for a retracement. You get the price you named or better, and in exchange you accept that the market may go where you expected without coming back to collect you.

The under-appreciated risk is being filled for the wrong reason. A buy limit placed inside a level that is genuinely breaking will fill on the way through, which is a position opened precisely because the idea behind it was failing. A stop-loss placed before the pending order goes live is the only thing that bounds that, and it is the single most common omission on a pending order.

Expiry, cancellation and the orders you forget

Pending orders can carry an expiry: good till cancelled, good for the day, or good until a date and time you set. Without one they wait indefinitely, and an order left sitting from an analysis you did three weeks ago will eventually fill in a market that has nothing to do with the reason you placed it.

That is the failure mode worth designing against. If the idea was valid for a session, give the order an expiry of a session. Reviewing open pending orders at the start of each week takes a minute and removes the category of loss that begins with not remembering placing the trade at all.

Pending orders around news

Placing a buy stop above and a sell stop below a release, so that whichever way it breaks you are in, is a familiar idea and it is where pending orders behave worst. Spreads widen through the number, so a level that looked clear of the price is reached by the spread alone; both sides can trigger within seconds; and the fills come with the largest slippage of the week.

Many brokers also raise the minimum distance a pending order may sit from the current price around scheduled events, which can reject the order outright. If a strategy depends on this pattern, it depends on the broker's news policy as much as on the market, and that policy is in the account terms rather than on the pricing page.

What the broker's rules do to all of this

Three broker-side settings decide whether the order you planned is the order you get. The minimum distance from the current price at which a pending order may be placed. Whether stop and limit levels are triggered by the bid, the ask or the mid, which decides whether a long and a short at the same distance are actually symmetrical. And the expiry options the platform offers at all.

These differ between the entities of a single broker, so they are worth reading on the agreement for the account you hold. Our broker reviews record the order types and platforms each one supports.

A worked placement

Say EUR/USD has spent the session between 1.0840 and 1.0870 and you want to trade the break upward. A buy stop at 1.0873, a few pips above the range to clear the spread and the usual overshoot, with a stop-loss at 1.0855 inside the range and a take-profit at 1.0909 — a 2R trade on an 18-pip stop.

Everything in that sentence is decided before the market does anything: the entry, the invalidation, the target and therefore the position size. What is left to the market is only whether the break happens, which is the one part of it you were never going to control anyway.

Frequently asked questions

What is a pending order in forex?

An instruction to open a position at a price the market has not reached yet. There are four types: buy stop and sell limit sit above the current price, sell stop and buy limit sit below it.

What is the difference between a buy stop and a buy limit?

A buy stop sits above the current price and buys if the market rises to it, which bets on continuation. A buy limit sits below and buys if the market falls to it, which bets on a pullback being bought.

Do pending orders expire?

Only if you give them an expiry. Left as good till cancelled, an order waits indefinitely and can fill weeks later in a market that has nothing to do with the analysis behind it.

Can a pending order slip?

A stop order can, because it becomes a market order when triggered — on a fast break the fill is beyond your level. A limit order cannot fill worse than its price, though it can fail to fill at all.

Why was my pending order rejected?

Most often because it was inside the broker's minimum distance from the current price, a limit that brokers frequently widen around scheduled news. The rule is in the account terms rather than on the pricing page.

Should I place pending orders around news releases?

It is the setup where they behave worst: spreads widen enough to trigger levels on their own, both sides can fill within seconds, and slippage is at its largest. If a strategy depends on it, it depends on the broker's news policy as much as on the market.