Swap Calculator
Calculate overnight rollover/swap costs for holding positions overnight.
Position Details
Get swap rates from your broker's contract specifications. Wednesday nights typically charge 3× swap.
Understanding Swaps
- Swap/Rollover is the interest paid or earned for holding positions overnight.
- Positive swap = you earn money holding (typically when buying high-interest currency).
- Negative swap = you pay to hold the position overnight.
- Triple swap Wednesday – Most brokers charge 3× on Wednesday to cover weekend.
What is a Swap Calculator?
A swap calculator estimates the overnight interest you'll pay or receive for holding forex positions past the daily rollover time. Swap rates are based on interest rate differentials between currency pairs.
Understanding swap costs is essential for swing traders and those employing carry trade strategies. Our calculator shows both long and short swap values.
Key Features
- Long and short swap rates
- Multiple lot size options
- Daily and weekly swap totals
- Triple Wednesday display
- Carry trade identification
- Broker swap comparison
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Frequently Asked Questions
Swap is the interest paid or received for holding a position overnight. It's based on the interest rate differential between the two currencies. Positions open past 5 PM EST incur swap charges (or credits).
Forex settles T+2 (two business days). Wednesday's position settles on Friday, but Friday's settles on Monday. Wednesday swap covers Saturday and Sunday, hence the "triple swap Wednesday."
Yes, this is called "carry trading." Buy high-interest currencies against low-interest ones (e.g., AUD/JPY historically). However, exchange rate movements usually dwarf swap earnings.
Check your broker's contract specifications or platform (MT4: right-click symbol → Specification). Swap rates vary between brokers and change based on central bank rates. Some brokers offer swap-free Islamic accounts.