Definition of Position Sizing
Determining the number of lots or units to trade based on your account size, risk tolerance, and stop loss distance. Proper position sizing is the foundation of risk management.
At a glance
Term
Position Sizing
URL slug
position-sizing
Category
Size & pip math
Short answer
Determining the number of lots or units to trade based on your account size, risk tolerance, and stop loss distance.
Deep dives
/guide/what-is-lot/, /tools/lot-calculator/, /blog/forex-risk-management-guide/
Example
Example: if EUR/USD moves 20 pips and each pip is worth $2 at your size, a 20-pip move is about $40. Always connect “Position Sizing” to a cash number before you click.
Common mistake
Common mistake: treating “Position Sizing” as theory without converting it into cash loss at the stop.
Professional tip
Tip: compute “Position Sizing” with ForexTradeLab’s lot or pip calculator before any live order, and screenshot the first ten calculations.
Related deep dives
Practice tools:
Related terms
FAQ
Determining the number of lots or units to trade based on your account size, risk tolerance, and stop loss distance.
Position-size math tied to “Position Sizing” decides how much cash you gain or lose per move. Without it, risk management is guessing.
Common mistake: treating “Position Sizing” as theory without converting it into cash loss at the stop.