Risk Per Trade

Risk Per Trade is the percentage of a trading account that a trader is willing to lose on a single trade. It is a core element of risk management and is directly linked to position-sizing, which determines how many lots or contracts to trade based on that risk amount.

How It Works

First, decide the risk percentage, for example 1 % of the account equity. Multiply the account balance by this percentage to get the monetary risk amount.

Risk amount = Account balance × Risk %

Next, set a stop‑loss level in pips (or points) for the trade. Knowing the pip value for the chosen instrument and lot size, calculate the position size that matches the risk amount.

Position size = Risk amount ÷ (Stop‑loss in pips × Pip value)

Many traders perform this calculation on the MetaTrader 5 platform provided by STB, where the trade‑ticket window shows the resulting lot size instantly.

Why It Matters for Traders

Limiting risk per trade protects the account from large drawdowns caused by a single losing trade. It promotes consistency, because each trade has the same expected loss regardless of market conditions. Over a series of trades, a fixed risk percentage helps preserve capital and allows the strategy’s edge to work over the long term.

Without a defined risk per trade, traders may overleverage, leading to rapid equity loss and emotional decision‑making.

Example

A trader has a $10,000 account and chooses to risk 1 % per trade.

• Risk amount = $10,000 × 0.01 = $100
• The trader sets a stop‑loss of 50 pips on EUR/USD.
• For a standard lot, one pip equals $10.
• Position size = $100 ÷ (50 × $10) = 0.2 lot
• The trader opens a 0.2‑lot position; if the stop‑loss is hit, the loss is approximately $100, exactly 1 % of the account.

Key Takeaways

• Risk Per Trade defines the maximum monetary loss acceptable on any single trade.
• It is calculated using account equity, chosen risk percentage, stop‑loss distance, and pip value.
• Consistent application preserves capital and supports long‑term profitability.
• Position‑sizing tools in platforms like MetaTrader 5 automate the calculation.