Level 1 · Lesson 9 / 10 · English
Long and short positions
4 min reading · Exercises take additional time
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A long position seeks to benefit if the pair's price rises; a short position seeks to benefit if it falls. Both can lose money. Direction makes sense only after you know which currency is the base and which is the quote.
What you will learn
- Explain buying and selling a currency pair
- Calculate direction-aware gross P/L
- Distinguish favourable price movement from net profit
What long and short mean
Going long EUR/USD gives exposure to the euro rising against the dollar. Going short gives exposure to the euro falling against the dollar. These statements describe relative movement, not a prediction or a recommendation. Retail contract mechanics may differ from physically borrowing and exchanging currencies.
Closing a long involves selling; closing a short involves buying. The entry and exit sides of the quote therefore differ. Always distinguish an actual executed price from a chart level used to illustrate a calculation.
Work through the sign
For a conventional FX buy, gross quote-currency P/L is (exit − entry) × base units. For a sell it is (entry − exit) × base units. A positive result is a gross gain and a negative result is a gross loss. If your account uses a different currency, conversion is needed before comparing the result with the account balance.
A price-distance calculation is absolute, so it cannot by itself say whether a trade won or lost. The same upward 50-pip move helps a buy and hurts a sell, before costs. Spread, commissions, financing and slippage may turn a small favourable price result into a net loss.
Plan both outcomes
Write an adverse scenario as carefully as a favourable one. A target is not a promise that price will reach it, and a stop may not execute at its requested price. Keep a journal of the reasoning and the result; one outcome cannot prove that a strategy is reliable. Demo practice helps with mechanics but cannot reproduce all live execution and emotional conditions.
Key terms
- Long
- Exposure that benefits from a rise in the pair price before costs.
- Short
- Exposure that benefits from a fall in the pair price before costs.
- Gross P/L
- Price profit or loss before applicable trading costs.
- Net P/L
- Result after relevant costs and adjustments.
Hypothetical worked example · Not live market prices
The same chart move, opposite signs
- Assume 10,000 EUR units and illustrative EUR/USD prices of 1.1000 then 1.1050.
- Buy result = (1.1050 − 1.1000) × 10,000 = +USD 50.
- Sell result = (1.1000 − 1.1050) × 10,000 = −USD 50. Reversing the price movement reverses these signs, before costs.
| Position | Price change | Gross result |
|---|---|---|
| Buy 10,000 EUR | +0.0050 | +USD 50 |
| Sell 10,000 EUR | +0.0050 | −USD 50 |
| Sell 10,000 EUR | −0.0050 | +USD 50 |
Simplified educational calculations. Costs, slippage and provider-specific adjustments apply where relevant; these are not actual returns.
Common mistakes to avoid
- Calling every upward move a profit: identify the position direction.
- Mixing quote-currency P/L with account currency: convert explicitly.
- Ignoring costs: report gross and net results separately.
Lesson summary
Long and short describe opposite exposure to the pair price. Use direction, executed prices, units and conversion to calculate results. Neither direction guarantees profit.
Practical exercise
A hypothetical 10,000 EUR sell opens at 1.1050 and closes at 1.1020. Calculate gross P/L and then repeat for a buy at the same prices. Answers: +USD 30 for the sell and −USD 30 for the buy, before costs.
Knowledge check
Check your understanding
Results apply to this attempt only and are not saved to a student account. No certificate is issued.
Answer all questions correctly and complete the exercise. Progress follows you between Academy pages for this visit only; it is not saved to an account and resets on reload.
Related lessons
Financial education, not personal investment advice. Leveraged Forex and CFDs can lead to substantial losses. Demo practice and correct quiz answers do not guarantee trading success.