Forex Swap Calculator
Calculate overnight rollover swap fees for Long and Short positions across 15 major currency pairs — including Wednesday triple swap
Triple Wednesday Swap
Automatically identifies Wednesdays in your holding period and applies the correct 3× swap to account for the weekend settlement
Positive & Negative Carry
Instantly see whether your position earns (positive carry) or pays (negative carry) in your account currency
Full Breakdown
Night-by-night swap breakdown with running cumulative total — Wednesday triple nights clearly highlighted
Related Keywords & Topics
Forex Swap Calculator
Overnight Rollover Fees — Long & Short · 15 Major Pairs
Swap Parameters
1 Standard lot = 100,000 units
Position size: 100,000 units
Used to identify Wednesday triple-swap nights
Swap Results
EUR/USD
Standard · 1 lot · USD account
Total Swap (5 calendar days)
4 regular nights · 1 Wed triple-swap night
Daily Swap
$6.38
Per trading night
Weekly (5d + 3× Wed)
$44.66
Mon–Fri, inc. triple Wed
Monthly (~21 days)
$187.57
Approximate
Yearly
$2328.70
Annualised estimate
Applied swap rate: -6.38 pts/lot/night for Long EUR/USD. Rates shown are indicative — actual rates vary by broker.
Night-by-Night Breakdown
| Night | Day | Swap | Cumulative |
|---|---|---|---|
| 1 | Mon | $6.38 | $6.38 |
| 2 | Tue | $6.38 | $12.76 |
| 3 | Wed3× | $19.14 | $31.90 |
| 4 | Thu | $6.38 | $38.28 |
| 5 | Fri | $6.38 | $44.66 |
Swap Tips
- Broker swap rates change daily — always verify with your broker
- Triple swap on Wednesdays covers Saturday & Sunday (markets closed)
- Swap-free (Islamic) accounts avoid overnight fees by design
- Positive carry strategies seek pairs where swap earnings offset trade risk
- On high-leverage positions, swap costs can significantly erode profits
Complete Guide to Forex Swap & Rollover Fees
What Is a Forex Swap?
A forex swap (also called a rollover fee) is the interest credited or debited to your account when you hold a forex position open overnight past the daily rollover time (typically 17:00 EST or 00:00 broker server time).
The swap amount is determined by the interest rate differential between the two currencies in the pair. You effectively borrow one currency to buy another — the differential means you either earn or pay interest.
How Swap Fees Are Calculated
Swap = Lots × Contract Size × Swap Rate (points) × Point Value
Swap Rate is in points (1/10th of a pip) per standard lot per night, provided by the broker.
Positive result = you earn swap. Negative result = you pay swap.
Why Is Wednesday Swap Triple?
Forex settlement operates on a T+2 basis — trades settle 2 business days after the transaction date. The FX market is closed on weekends, so a trade held on Wednesday actually settles on Friday (skipping Saturday and Sunday).
To cover the 3-day settlement gap (Wednesday → Friday + Saturday + Sunday), brokers charge or credit 3× the normal nightly swap on Wednesday night.
Positive Carry vs Negative Carry
✅ Positive Carry
- • Swap is credited to your account
- • Happens when you buy the higher-rate currency
- • Example: Short USD/JPY (earn USD rate, pay JPY rate)
- • Carry trade strategies exploit this
⛔ Negative Carry
- • Swap is debited from your account
- • Happens when you hold the lower-rate currency
- • Example: Long EUR/USD (pay EUR rate, earn USD rate)
- • Erodes profits on long-held positions
Swap Management Tips
Tip 1: Close and re-open positions just before Wednesday rollover if the triple swap cost significantly affects your PNL.
Tip 2: Consider swap-free (Islamic) accounts if you hold positions for weeks or months — they avoid rollover interest entirely.
Tip 3: Always factor swap costs into your break-even calculations for swing and position trades — they compound significantly over time.
Common Swap Mistakes
❌ Forgetting Triple Swap on Wednesday
Many traders are surprised by a larger-than-expected debit on Thursday morning. This is the Wednesday triple swap — plan for it on all swing trades.
❌ Ignoring Swaps on High-Leverage Positions
On large positions, even a small negative swap per lot compounds quickly. A 10-lot position paying $6/night costs $180 in a month — before the trade even moves.
❌ Using Outdated Swap Rates
Swap rates change as central bank interest rates change. Always verify current rates on your broker's platform before calculating holding costs.