What a Pip Means
A pip, short for "percentage in point" or "price interest point," is the standard unit used to measure price movement in the foreign exchange market. For most currency pairs, one pip equals a change of 0.0001 in the exchange rate — the fourth decimal place. For pairs quoted against the Japanese yen, one pip equals 0.01, the second decimal place. Many trading platforms also display a fifth decimal (or third for yen pairs), often called a pipette or fractional pip, which represents one-tenth of a pip.
Why Pips Matter
Pips are the common language of forex trading. Traders use them to describe how far a price has moved, to measure the width of a spread, to set stop-loss and take-profit distances, and to calculate potential gains or losses. Because currency prices move in tiny fractions, quoting changes in pips is far more practical than quoting raw decimal shifts. Pip values also connect directly to position sizing: the monetary value of one pip depends on the lot size traded and the currencies involved, which makes understanding pips essential for risk management.
A Simple Example
Suppose the EUR/USD exchange rate moves from 1.0850 to 1.0862. That is a rise of 12 pips (0.0012). If a trader holds a standard lot of 100,000 units, one pip in EUR/USD is typically worth about 10 units of the quote currency, so a 12-pip move would represent roughly 120 units of profit or loss before costs. On a yen pair, if USD/JPY moves from 150.20 to 150.45, that is a 25-pip move (0.25).
Common Mistakes
- Confusing pips with pipettes. A platform showing five decimals can make a 10-pip move look like a 100-point move if you misread the digits.
- Assuming pip value is constant. Pip value changes with lot size, the pair traded, and the account's base currency.
- Ignoring the spread. A position starts at a small pip deficit equal to the bid-ask spread, which matters most on short-term trades.
- Mixing up pips and percentages. A 50-pip move is a very different magnitude on different pairs and price levels.
What to Verify Before Acting
Before placing trades, confirm how your specific platform defines and displays pips for each instrument, since conventions can differ, especially for metals, indices, and exotic pairs. Check the pip value calculator or contract specifications your broker provides, and verify how your account's base currency affects the conversion of pip values into real money. Because pip-based losses scale with position size and any use of leverage, always test your understanding in a demo account first and review overall trading costs with tools like the cost of trading calculator before committing capital. This entry is an educational draft and not a substitute for checking your own platform's documentation.