GBP/USD Lot Size Calculator for FTMO

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Instrument Guide

GBP/USD is one of the most volatile major pairs, making position sizing critical for FTMO's strict risk parameters. With an average daily range of 110 pips, this pair can easily hit your stop losses if you're not careful with size and placement. The high volatility means you'll often want wider stops than EUR/USD - typically 40-80 pips depending on timeframe and market conditions. This wider stop requirement naturally reduces your position size compared to less volatile pairs. For a worked example: on a $100,000 FTMO account risking 1% ($1,000) with a 50-pip stop, you'd trade 0.20 lots (1,000 ÷ 50 ÷ 10). At 2% risk ($2,000) with the same stop, you'd use 0.40 lots. However, be cautious with 2% risk on GBP/USD - the pair's tendency for sharp reversals can quickly compound losses. Consider that a typical swing trade might need 60-80 pip stops, which would reduce these sizes to 0.125-0.167 lots at 1% risk. GBP/USD suits prop trading well due to its predictable London and New York session patterns, but respect FTMO's 5% daily loss limit - this pair can move 50+ pips in minutes during news events. The key is using the full daily range context: if the pair has already moved 70-80 pips in one direction, consider reduced position sizes as the remaining range may be limited. This instrument rewards disciplined position sizing more than most majors.

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