Forex Swap & Rollover Calculator
See what holding a position overnight really costs you. Enter your lot size, your broker's swap rate, and how many nights you'll hold, and get the total swap you'll pay or earn.
The size of your trade in standard lots.
From your broker — negative means you pay, positive means you earn.
How many nights the position stays open.
Most brokers charge ~3x on Wednesday for weekend settlement.
You'd pay $17.50 to hold this position for 7 nights.
For educational purposes only. Read our risk warning before trading.
How the Swap Cost Is Calculated
Each night your position is open, the broker applies its swap rate per lot. Multiply that rate by your lot size and the number of nights to get the running total. If a triple-swap Wednesday falls inside your hold, two extra nights are added to cover the weekend.
How Swap Works on Your Position
| Concept | What it means |
|---|---|
| Long position | Whether you pay or earn depends on the sign of your broker's swap rate. |
| Short position | The swap is typically the opposite sign of the long side on the same pair. |
| Wednesday | Most brokers charge about 3x the usual swap to settle over the weekend. |
Frequently Asked Questions
It is the interest adjustment your broker applies for holding a forex position overnight. Because every pair involves two currencies with different interest rates, you either pay or receive the difference each night the trade stays open past the daily rollover time.
Forex trades settle two business days after they open. A position held over Wednesday night settles on the weekend when markets are closed, so most brokers book three nights of swap on Wednesday to cover Saturday and Sunday in advance.
Yes. When the currency you buy pays more interest than the one you sell, the swap can credit your account instead of charging it. Enter a positive rate to model that, but note brokers add a markup, so a paid credit is often smaller than the raw rate difference.
Your broker publishes per-lot swap rates in the contract or symbol specifications, often split into long and short values. In MT4 or MT5 you can right-click the symbol and open Specification to read the exact figures, then enter the one for your direction here.
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