If you want to know how to short forex, start here: every currency trade is already a sale of one currency and a purchase of another. Going short a pair simply means you expect the first currency to weaken against the second, so you sell the pair and aim to buy it back lower.
Quick answer: how do you short a forex pair?
You press “sell” on the pair. Selling EURUSD means you are short the euro and long the dollar, so you gain if EURUSD falls and lose if it rises. You exit by buying the pair back. There is no borrowing step: the provider handles it, and overnight financing is adjusted for the interest rate gap.
Every forex trade is long one currency and short the other
A currency pair has a base currency (the first one) and a quote currency (the second). The price tells you how many units of the quote currency one unit of the base buys. GBPUSD at 1.2650 means one pound buys 1.2650 dollars.
So when you buy GBPUSD you are long sterling and short the dollar at the same time. When you sell it you are short sterling and long the dollar. That is why going long and short in forex is so symmetrical. If the basics are new to you, our guide on how to trade forex in simple steps covers pairs, pips and sessions first.
To buy and sell currency pairs well, you only need to decide which currency will be the stronger of the two. Selling EURUSD, selling GBPUSD and buying USDJPY are all “long dollar” trades, just against different partners.
Going long vs going short on one pair
A short is a mirror image of a long, not a different kind of trade.
| Factor | Long (buy) GBPUSD | Short (sell) GBPUSD |
|---|---|---|
| Your view | Pound strengthens vs dollar | Pound weakens vs dollar |
| You open at | The higher (buy) price | The lower (sell) price |
| You close by | Selling at the sell price | Buying at the buy price |
| Stop loss sits | Below the entry | Above the entry |
| Overnight financing | Pound rate minus dollar rate, less a fee | Dollar rate minus pound rate, less a fee |
Either way you cross the spread twice. A short opens at the sell (bid) price and closes at the buy (ask) price, which matters for stops.
How a short works on a spread bet and a CFD
UK retail traders usually go short through a spread bet or a contract for difference (CFD). Neither involves owning or borrowing currency, so a short is just a sell instruction.
Spread bet
You choose a stake in pounds per point. If you sell GBPUSD at £2 per point and it falls 50 points, you gain £100; if it rises 50 points, you lose £100.
CFD
You trade units instead of a stake per point. A short works the same way: sell to open, buy to close.
Both products are leveraged, which magnifies losses as much as gains, and most retail accounts lose money with them. ESMA’s limits for retail clients include maximum leverage of 30:1 on major currency pairs, a margin close-out rule and negative balance protection, as set out in its final CFD product intervention measures. Our guide to how margin and leverage work for beginners explains why a small deposit can still mean a large exposure.
Overnight financing works both ways
Hold a leveraged forex position past the provider’s daily cut-off (often 10pm UK time) and an overnight financing adjustment is applied. Also called rollover or swap, it reflects the interest rate gap between the two currencies plus the provider’s charge.
- If the currency you are long pays a clearly higher rate than the one you are short, you may receive a small credit.
- If the currency you are short pays the higher rate, you will usually pay.
- Because the provider adds its fee on both sides, small rate gaps often mean you pay whichever way you trade.
Check the long and short financing figures your provider publishes before holding a trade for weeks.
Where to place a stop loss on a short
On a long, the stop goes below the level that proves you wrong. On a short it mirrors that: above the last lower high or the top of the supply zone you are selling from, plus a buffer.
Remember that a short is closed at the buy price. If the spread widens around news or rollover, your stop can be hit even if the sell price never touched it, so add the spread to your buffer. Our guide to where to place a stop loss with price action covers the long side, and the logic applies in reverse.
Shorts often sit best inside a downtrend of lower highs or at a zone where sellers stepped in before. Our articles on how to draw supply and demand zones and spotting the start of a new trend early show how we frame those levels.
A worked example of a short
Example (hypothetical, for illustration only): on a £4,000 account you risk 2%, so £80. You see a supply zone on GBPUSD and decide to sell at 1.2650.
- Place the stop above the zone and spread buffer at 1.2690, 40 points away.
- Size the trade: £80 ÷ 40 points = £2 per point.
- Set a target at an earlier demand area near 1.2570, 80 points away.
- If the target is reached, you buy back for a gain of about £160 before costs.
- If the stop is hit, you lose about £80, plus any slippage.
The direction changed nothing about the arithmetic, as our guide to calculating position size for a spread bet shows.
The psychology of shorting
Many newer traders only ever buy. Selling something you do not own feels wrong, and “buy the dip” habits from shares make falling prices look like bargains, so half their setups get ignored.
The fix is mechanical. Write each rule with a long and a short version, then judge both directions with the same checklist. Hesitation like this is one of the habits in our piece on the psychological hurdles traders face.
Common mistakes
- Treating a short as riskier by default: on a pair, risk depends on stop and size, not direction.
- Forgetting the spread on stops, so a spike in the buy price closes the short.
- Holding shorts for weeks without checking the financing charge.
- Muddling direction: selling USDJPY is short the dollar, but selling EURUSD is long the dollar.
Frequently asked questions
Do I need to borrow currency to short forex?
No. With a spread bet or CFD you never own or borrow the currency, because you only settle the price difference with the provider. The interest effect is handled through overnight financing.
Is shorting forex riskier than going long?
Not in itself. A currency pair can rise as sharply as it falls, so the risk on either side comes from leverage, stop distance and position size.
Can I earn interest on a short forex position?
Sometimes. If the currency you are long has a clearly higher interest rate than the one you are short, the adjustment may be a credit. Provider fees often turn small differences into a charge.
What does it mean to sell EURUSD?
Selling EURUSD means you are short the euro and long the US dollar. You gain if the euro weakens against the dollar and lose if it strengthens.
Next steps
Start with our beginner’s guide to price action trading for the method behind these setups, then read how much to risk per trade before you try either direction. For a structured route, the free basics section of our price action trading course is a good place to begin.
This article is for education only and is not financial advice. Trading leveraged products such as CFDs and spread bets carries a high risk of losing money.
