NDD Glossary
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Swap

syn. Rollover / Overnight Rate

An overnight financing charge or credit applied to positions held past the daily rollover time, based on the interest rate differential between the two currencies in a pair.

Last updated: February 10, 2026
1

At the daily rollover time (typically 5:00 PM EST), all open positions are evaluated.

2

The interest rate differential between the two currencies in the pair is calculated.

3

If the trader holds the higher-yielding currency, they receive a credit (positive swap).

4

If the trader holds the lower-yielding currency, they pay a charge (negative swap).

5

Swap rates are adjusted by the broker based on interbank rates plus a markup.