What is a margin utilisation and how is it calculated? Updated 23 August 2024 09:00 Margin utilisation is a percentage of available funds reserved for maintaining margin positions and calculated as shown below. Margin utilisation = ((Maintenance margin reserved) / (Account Value - Not available as margin collateral)) * 100 Example: 14.33 % ≈ ((-194,435.41) / (1.357.392,95 - 446,60)) * 100