Home › FX Trading School › Beginner

Swap & Overnight Rollover Explained (Beginner Guide)

Beginner Updated 14 July 2026 · 7 min read · PipTax education

Swap and overnight rollover is the fee (or occasional credit) applied to your account when you hold a forex position past a broker's daily cut-off time, and understanding it is essential once you start holding trades for more than a few hours. This lesson builds on Module 2's spread and commission basics — if you haven't covered how spreads work yet, do that first, because swap is simply another layer of cost sitting on top of it.

What Swap and Overnight Rollover Actually Is

Every currency in a forex pair has its own interest rate set by its central bank. When you go long or short a pair, you're effectively borrowing one currency to buy another. Swap (also called rollover) is the interest rate differential between the two currencies, adjusted daily and either credited or debited from your account.

Key mechanics:

• It applies once per day, at the broker's rollover time (often 5pm New York time, but this varies by broker and platform).
• It can be positive or negative depending on which currency you're long and which you're short.
• It's charged in points/pips equivalent, converted to your account currency, and shown as a cash amount on your statement.
• It only applies to positions still open at rollover — day trades closed before the cut-off never see a swap charge.

This isn't a broker inventing a fee out of nowhere; it reflects genuine interbank funding costs. But the exact rate you pay varies significantly by broker and by account type, which is why comparing real numbers matters more than memorising theory.

Why Brokers Charge It — And Why Rates Differ

Brokers source their swap rates from the banks and liquidity providers they deal with, then add a markup — similar to how spreads work. That markup is where brokers differentiate, and it's rarely disclosed prominently.

Reasons the rate you see can shift:

• Interest rate policy changes from central banks (a rate hike or cut moves swaps almost immediately).
• Account type — some brokers offer swap-free (Islamic) accounts with an admin fee instead.
• Platform differences — the same broker may quote slightly different swap figures on MetaTrader vs its own proprietary platform.
• Currency pair volatility and liquidity conditions around news events or quarter-end.

This is exactly why PipTax never publishes fixed swap figures for any broker — they move too often to be trustworthy in an article. Instead, always check current rates directly through your platform's contract specification window, or use PipTax's [rates](/rates.html) page as a starting point before verifying live with your broker.

Triple Swap Days: The One Rule Beginners Must Know

Because forex settles on a T+2 basis (spot trades settle two business days later), most brokers charge three days' worth of swap on Wednesdays to account for the weekend, when banks are closed but interest still accrues.

• Check which day your specific broker applies the triple charge — most use Wednesday, but always confirm.
• If you're holding a swing position over a Wednesday rollover, budget for roughly 3x the normal daily swap that night.
• This is unrelated to weekend gaps in price — it's purely an accounting mechanism for interest.

Forgetting this is a common beginner mistake: a trader opens a position on Tuesday expecting one night of small negative swap, then finds Wednesday's charge three times larger than expected. It won't wreck an account on its own, but over dozens of trades it adds up — which is exactly the kind of hidden cost this course keeps coming back to.

How to Check Swap Rates Before You Trade

Don't guess — look it up. Every regulated broker publishes contract specifications showing current swap long/short values per instrument.

On MetaTrader (e.g. Pepperstone's MT4/MT5 servers): 1. Right-click the symbol in Market Watch 2. Select "Specification" 3. Look for "Swap Long" and "Swap Short" values, plus the "Swap Rollover" day multiplier

On a proprietary platform (e.g. IG's own platform): 1. Open the deal ticket or product details page for the instrument 2. Look for the "overnight funding" or "holding cost" section 3. Note the rate is often shown as a percentage plus a benchmark rate, not raw points

Because these figures update regularly and differ by broker, treat any number you see today as a snapshot. Re-check before entering any trade you plan to hold overnight, and use PipTax's [cost impact](/cost-impact.html) tool to see how swap compounds across a typical holding period for your strategy.

Swap-Free Accounts: What They Really Cost

Many brokers offer "swap-free" or "Islamic" accounts that remove daily interest charges, originally designed to comply with Sharia law's prohibition on interest (riba).

Things to know:

• They're not automatically cheaper overall — brokers often replace swap with a flat overnight administration fee instead.
• Eligibility rules vary — some brokers restrict swap-free accounts to certain regions or require an application.
• Spreads or commissions may differ slightly from standard accounts on the same broker.

If long-term position holding is central to your strategy, it's worth comparing a standard account's cumulative swap cost against a swap-free account's admin fee using real figures from PipTax's [broker pages](/brokers/index.html), not assumptions.

Working Swap Into Your Trading Plan

For a beginner, the practical takeaway isn't to avoid overnight positions entirely — plenty of valid strategies require holding trades for days or weeks. The point is to treat swap and overnight rollover as a known, budgetable cost rather than a surprise.

Before holding any position overnight:

• Check the current swap rate for that specific instrument and direction (long or short)
• Note if a triple-swap day falls within your holding period
• Factor the cumulative cost into your profit target — a trade that clears your stop-loss/take-profit maths on paper might look different after ten nights of negative swap
• Run the numbers through PipTax's [audit tool](/audit.html) if you're unsure how swap stacks up against spread and commission for your typical trade size

Swap won't be the biggest cost most retail traders face — spread and commission usually dominate for shorter-term trades — but ignored over weeks or months it becomes a real drag on returns. Remember too that trading forex carries genuine risk of loss regardless of how well you manage costs; most retail accounts lose money, and no amount of cost optimisation changes that underlying reality.

Recap and Where to Go Next

Swap and overnight rollover is a daily interest adjustment applied to positions held past your broker's cut-off, driven by the interest rate differential between the two currencies in a pair. It's a normal part of forex trading, not a hidden trick, but the rate varies by broker, platform, and account type — so always verify current figures rather than relying on memory or old screenshots.

Next in Module 3, we'll look at how swap interacts with margin and leverage when positions are held over multiple weeks. Until then, head to the [FX Trading School index](/school/index.html) to see the full course sequence, or check PipTax's [methodology](/methodology.html) page to understand exactly how we source and verify the cost data behind these lessons.

Keep going: Rates Cost Impact Index Audit