How do pros calculate ideal position size?

[AIcash]

Use the 2% rule: never risk more than 2% of capital per trade.
Position size = (Account × Risk%) ÷ (Entry–Stop).
Even advanced setups fail — discipline protects capital more than alpha.

[kelson10]

Position sizing = survival. Pros size risk, not emotion.

[alex10]

It’s not about how big you go — it’s about how long you stay in the game. 🧠