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Understanding 'Swap Fees'

What Forex swap fees are, how they are calculated from interest rates, and how they affect your trades.

Written by Lars

A Forex swap is a fee that is either credited or debited to an open trade for holding a position in the market overnight. This fee is incurred when a position is rolled over to the next trading day, and it continues to accrue until the trade is closed.

Triple swap: if a position is held overnight on a Wednesday (to Thursday), the normal swap rate is tripled.

What Are Forex Swap Fees?

A Forex swap refers to a financial transaction in which a fee is either credited or debited to an open trade for holding a position in the market overnight. This fee, known as a swap, is incurred when a position is rolled over to the next trading day. It continues to accrue until the trade is closed.

The close of the trading day is defined as the end of business hours in New York, or 22:00 GMT (London time). Any trades carried over during this time to the next trading day may result in a swap fee.

How Does Swap Work in Forex?

In Forex trading, swaps are determined by interest rates, which are set by the respective central bank for the currency in question. These rates are subject to change depending on the central bank's fiscal policies and the prevailing economic conditions.

Central Bank Action

Effect

Raising interest rates

Leads to higher borrowing costs and encourages savings or deposits. This typically occurs in inflationary environments or when economies are overheating.

Lowering interest rates

Makes borrowing more affordable and provides incentives for spending and consumption, to stimulate growth. Low interest rates also prompt investors to seek higher yielding assets, resulting in a shift of assets and investments.

In essence, Forex swap fees represent the interest paid for "borrowing" a currency compared to the interest received for "investing" in another currency. The difference in interest rates between assets or currencies determines whether a swap fee is paid or received.

How Do Swaps Impact Trades?

As a trader, it is important to note that Forex swap fees are an additional cost, on top of spreads and commissions. While the latter are one-time costs incurred when opening a trade, swaps are ongoing costs for the duration of the trade.

All trading costs, including swaps, can be expressed in terms of pips and points. Therefore, it is crucial to consider swaps when making trading decisions. Also keep in mind that swap rates are not always static: they can differ from day to day.

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