What is Swap in Forex
What Exactly is Swap in Forex?
Swap is the interest rate differential between the two currencies in a forex pair. When you hold a position overnight, your broker either charges or credits you based on the difference between the central bank rates of the two currencies. For example, if you buy EUR/USD, you are long the euro and short the US dollar. If the euro interest rate is higher than the dollar rate, you receive a positive swap; if lower, you pay a negative swap.
How Swap is Calculated for Germany Traders
Swap is calculated per standard lot (100,000 units) per day. For a Germany trader using USD as base currency, the formula is: Swap = (Interest Rate Differential ÷ 365) × Trade Size × Broker Markup. Brokers in Germany may add a small markup to the interbank swap rate. For example, if the ECB rate is 4.00% and the Fed rate is 5.50%, buying EUR/USD would incur a negative swap because you are borrowing at a higher rate (USD) and lending at a lower rate (EUR).
When Does Swap Apply?
Swap is applied at 5:00 PM New York time (10:00 PM German time in winter, 11:00 PM in summer). Positions held through this time are subject to swap. On Wednesdays, swap is tripled to account for weekend settlements. Germany traders should plan their trades around these times to avoid unexpected costs.
Swap and Trading Strategy
For Germany retail forex traders, swap can be a significant factor in long-term strategies like carry trading, where you intentionally hold a position to collect positive swap. However, most day traders avoid swap by closing positions before the rollover time. Understanding swap helps you calculate the true cost of holding a trade and choose appropriate position sizes.