Short answer: a short position is a trade that makes money when the price falls and loses money when it rises. If you are asking what is a short position in plain terms, it is the sell side of a trade, opened before you own anything. In forex you short by selling a currency pair. With an index, metal or crypto CFD you click sell and the contract does the rest. No stock, no borrowing, no waiting for shares to be located.
Among investment strategies, shorting is the one retail traders avoid most, usually out of hesitancy rather than any mechanical difficulty. If you want the buy-side counterpart first, the guide to what a long position is covers that in the same plain terms.
Selling a currency pair is the cleanest short there is
Every forex quote is already two-sided. Buying EUR/USD is a bet on the euro; selling it is a bet on the dollar. There is no ambiguity about ownership because you never hold euros in a vault. You hold a contract that settles the difference between entry and exit. Short EUR/USD at 1.1000, close at 1.0950, and 50 pips are credited. If it climbs to 1.1050 instead, you owe the same 50 pips.
The traditional stock market version is clumsy by comparison. A short sale there means short sellers borrow a company's shares first through a margin account, and the broker may require a locate before the order can go in, so the costs include a borrow fee before any profit exists. They sell the borrowed stock, pay interest on the loan, and hope the lender does not recall it. Short selling a security that way carries fees and costs a forex trader never meets. On a CFD platform, short is just a direction.
Going short an index CFD, step by step
Index CFDs work the same way, and the sequence is short enough to list:
- Pick the instrument, say a US 500 index CFD, and decide why you expect it to decelerate or turn lower.
- Choose a size in lots and check the contract's value per index point.
- Click sell. Your position is now open at the bid price.
- Set a stop above the level that would prove you wrong, and a target at least as far below.
- Watch the daily financing charge if you hold past the rollover time.
- Click buy to close. The platform nets the two prices and posts the result.
Nothing here involves locating shares or asking permission. That is the practical attractiveness of shorting through CFDs: the sell side is as punctual and ordinary as the buy side.
A worked example on a 10,000 account
Say you run a 10,000 account and risk 1 percent per trade, so 100 per idea. You want to short GBP/USD at 1.2700 with a stop at 1.2750, a 50-pip stop. A standard lot moves roughly 10 per pip, so a 50-pip loss on one lot would be 500. Divide 100 by 500 and you get 0.2 lots. That is your size.
At 30:1 leverage, 0.2 lots of GBP/USD (about 25,400 of notional) ties up roughly 850 of margin. If the pair falls to 1.2600, you earn 200: two units of reward for one of risk. If it rises to your stop, you lose the planned 100. The guide to how leverage changes position sizing explains why the margin figure and the risk figure differ. Only the second one matters for survival.
What a short position costs to hold
Holding a short overnight is seldom free, and the pricing is lumpy across instruments. On forex the charge is the swap: you pay or receive the interest rate differential between the two currencies. Short a high-yielding currency against a low-yielding one and the swap is usually against you. The breakdown of forex swap fees shows how to read the swap column before entry rather than after. Add the spread, and a short held for three weeks can quietly halve the expected edge of a modest move. The honest approach is tedious: write the swap into the plan as a cost line.
| Instrument | Typical overnight treatment for shorts | What to check before holding |
|---|---|---|
| Forex major pair | Swap based on rate differential, credit or debit | Which currency yields more |
| Index CFD | Small debit or credit tied to the benchmark rate | Which weekday carries a triple swap |
| Gold or silver CFD | Usually a small debit either way | Size versus overnight gaps |
| BTC or ETH CFD | Debit most nights, rarely a credit | Weekend moves with no stop fill |
Risks that hit the short side harder
The biggest one is coarse but true: a price can climb without limit, while it can only fall to zero. A short with no stop is lopsided in the worst way. In practice the margin close-out arrives long before infinity, but that is scarcely comfort, because it is a forced exit at the worst moment.
The second is the short squeeze. When a crowded short position meets unexpected good news, everyone rushes to buy back at once and the price moves violently higher. Shorts in a jittery market get stopped out needlessly by a squeeze that reverses an hour later. This is where risk and volatility become the same word.
Third, equity indices drift upward over long horizons, and they do so stubbornly. In my experience shorts are unforgiving of hesitancy: the entry that felt precarious was usually right, and the one that felt safe was stale.
Common mistakes worth naming plainly:
- Shorting because the price "has gone up too much". That is a feeling, not a reason.
- Widening the stop on a short running against you. The loss has no ceiling, so neither does this habit.
- Treating a skittish, disorderly bounce as the start of a squeeze and closing at the high tick.
A decision framework for entering and exiting a short
A short is worth taking when the setup passes three blunt tests. Is there a structural reason for lower prices, such as a failed breakout or a lower high? Is the stop close enough that the size is meaningful but not brittle? Is the carry acceptable for the intended holding period?
For the exit, decide before entry which rule applies:
- A fixed target at prior support, at least twice the stop distance.
- A trailing stop moved above each new lower high.
- A time stop that closes a sluggish trade after two sessions.
Results vary, and the same framework will produce a patchy record in a trending bull market. The point is to keep the losing shorts small and tidy so the winning ones are consequential.
Short positions inside a prop-firm evaluation
An evaluation account is where the unbounded-loss problem gets a hard edge. A daily loss limit does not care about direction. Pivex uses a static total drawdown and a daily limit that resets each day, so the sizing arithmetic above is the whole game. A 50-pip stop at 0.2 lots is a known number, and a known number cannot blow a limit by surprise.
Weekend holding and news trading are both allowed at Pivex, which is generous. But weekend gaps mostly hurt the side fighting the trend, and a short into a strong release is where many evaluation attempts squander a good month. The built-in assistant that tracks your rules and limits shows how much of the daily limit a single short is using before you click.
Next step: open your trading history and count how many shorts you took against a clear downtrend versus against a rally that "looked stretched". If the second number is larger, that is where your losses live. Pivex allows scalping with no minimum hold time, but no rule will rescue a short taken for the wrong reason. Fix the reason before you fix the size.
Related guides: what a long position is in trading and forex swap fees explained.
Before participating, review Pivex's current program rules and decide whether a simulated proprietary trading evaluation fits your experience and risk limits. Participation does not guarantee a reward, income, or any particular trading result.