# Swap Calculator

Traders' tools

Swap calculator

### Our swap calculator helps you to estimate the swap charges required to keep your positions open overnight on Deriv MT5.

Synthetic

Financial

### How to calculate swap charges

For synthetic, the swap charge is calculated on an annual basis for long and short positions based on this formula:

**Swap charge = volume × contract size × asset price × (swap rate ÷ 100) ÷ 360**

This gives you the swap charge in USD.

### Example calculation

Swap charge