Scalping and Broker Cost: Why the Table Matters More Than the Setup
Scalping and broker cost decide the outcome of your strategy long before your entry signal fires, because when you're targeting 3-10 pips per trade, the spread and commission table can swallow most of your expected edge. Traders spend weeks refining indicators and entry rules, then open a live account without ever calculating what each trade actually costs them to enter and exit. That's backwards - and it's the single most common reason a profitable-looking backtest turns into a losing live account.
Why the Cost Table Beats the Setup
A scalping setup might have a genuine statistical edge - say, 60% win rate with a 1:1 risk-reward ratio on 5-pip targets. That sounds solid until you factor in cost:
- Round-trip spread: if the pair averages 1.2 pips spread, you're paying that on every single trade, win or lose.
- Commission: on raw/ECN accounts, a per-lot fee is added on top, often quoted per round turn.
- Slippage: fast markets or thin liquidity can add extra cost beyond the quoted spread.
If your 5-pip target strategy pays 1.5 pips in spread and commission combined, that's 30% of your target gone before the market even needs to move against you. Run that across 200 trades a month and the difference between a "fine" cost structure and a "cheap" one is the difference between a profitable month and a break-even one. The setup didn't change - the table did.
Calculating Your True Cost Per Trade
Before backtesting or going live, work out the full cost of a single round-trip trade in your exact instrument and lot size:
1. Find the spread in pips at the time you'd typically trade (session matters - spreads widen outside peak liquidity hours). 2. Add commission, converted into pips per lot for that instrument, if your account type charges one. 3. Add an allowance for slippage based on realistic conditions, not the best-case scenario shown in marketing material. 4. Multiply by your typical trade frequency to see the monthly cost drag in cash terms, not just pips.
This is exactly what PipTax's [cost audit tool](/audit.html) is built for - plug in your instrument, account type and trade volume, and see the real cost impact rather than guessing from a broker's homepage.
Standard vs Raw/ECN: Which Table Fits Scalping?
There's no universal answer - it depends entirely on your numbers, not on which model sounds more "professional."
| Account type | Typical structure | Best suited to | |---|---|---| | Standard | Wider spread, no separate commission | Lower frequency, wider targets | | Raw/ECN | Tighter spread, per-lot commission added | Higher frequency, tight scalping targets |
Both Pepperstone and IG offer different account structures worth comparing side by side - Pepperstone's Razor-style accounts and IG's own platform pricing versus its MetaTrader offering are useful real-world examples of how the same broker can present two very different cost tables. Never assume raw is automatically cheaper: at low trade volumes, the commission can outweigh the spread saving. Check current, live numbers on the [broker comparison pages](/brokers/index.html) before choosing.
Execution Quality Matters as Much as the Headline Number
Scalping and broker cost isn't only about the number printed on a pricing page - it's about what actually happens when you click "buy" in a fast market.
- Slippage: the gap between requested and filled price, especially around news releases.
- Requotes: some platforms reject and re-price your order in volatile conditions.
- Server location and latency: physically closer servers to the broker's liquidity venue reduce delay.
- Order execution model: market execution vs instant execution can behave differently under load.
A broker with a slightly wider advertised spread but consistently clean execution can end up cheaper in practice than one with a tighter headline spread but frequent slippage. This is genuinely hard to know from marketing pages alone - it's why testing with small live volume, or reading independent execution reports, beats trusting a spreads table in isolation.
Swap Rates: Usually Irrelevant, But Check Anyway
Scalpers close positions within minutes, so overnight swap charges rarely apply. Still, worth a quick check:
- Confirm your broker doesn't apply any same-day rollover fee around specific session cut-offs.
- If a scalp ever turns into an accidental overnight hold, know the swap rate in advance rather than discovering it after the fact.
- Compare rates for your main instruments on the [live rates page](/rates.html) so there are no surprises.
Swap is a minor factor for pure scalping, but it's part of building a complete, honest picture of total trading cost.
Building a Repeatable Cost-Check Workflow
Rather than a one-off calculation, treat cost checking as a routine part of strategy testing:
1. Before backtesting: calculate round-trip cost in pips for your target instrument and account type. 2. During testing: build that cost into every simulated trade, not just theoretical price movement. 3. Before going live: compare at least two brokers' current cost tables side by side using the [cost impact calculator](/cost-impact.html). 4. Ongoing: re-check periodically, since spreads and commission structures do change over time.
This workflow takes minutes and removes the single biggest blind spot in most scalping strategies.
Conclusion: Put the Table Before the Setup
Scalping and broker cost should be checked before a single indicator is added to the chart, because no entry signal can consistently outrun a cost structure that eats most of the target on every trade. Get the cost table right first - spread, commission, and realistic execution quality - and only then start refining the setup on top of it. Trading always carries risk, and no cost calculation removes that risk; it simply makes sure you're not adding an unnecessary, avoidable one on top. Run your own numbers on the [audit tool](/audit.html) before your next live session.
Key takeaways
- Scalping and broker cost are inseparable: at 3-10 pip targets, spread and commission can consume most or all of the expected edge.
- A brilliant entry setup with a poor cost structure loses money slowly and consistently over hundreds of trades.
- Round-trip cost (spread + commission, both sides) should be calculated in pips or cash per trade before you ever backtest a strategy.
- Swap and overnight financing rarely matter to scalpers, but execution speed, slippage and requotes matter enormously.
- Always compare live, current broker numbers on PipTax's cost tool rather than trusting marketing claims or old spread screenshots.
- Account type (standard vs raw/ECN) changes the cost table completely - check both spread and commission, not just one.
Frequently asked questions
- What counts as a good spread for scalping?
- There's no fixed number that works for every pair or session - it depends on the instrument, the time of day, and whether commission is charged separately. Rather than chasing a headline figure, calculate the total round-trip cost in pips for your exact strategy and compare it against your typical target size using PipTax's cost tool.
- Is a raw/ECN account always cheaper for scalpers?
- Often, but not always - raw accounts usually have lower spreads but add a per-lot commission. On low-frequency, wider-target strategies a standard all-in spread can work out similar or cheaper. Run both structures through the same trade volume assumptions before deciding.
- Do swap rates matter for scalping?
- Rarely, because scalp trades are typically closed within minutes and never held overnight. Swap becomes relevant only if a scalp accidentally turns into an overnight hold, so it's worth knowing your broker's rates via the rates page even if you don't expect to use them.
- How many pips does commission actually cost me?
- Convert the commission to pips per lot for your instrument so you can compare it directly against spread. For example, a fixed commission per round turn on a standard lot translates into a specific pip-equivalent cost that changes with the pair's pip value - the audit tool does this conversion for you.
- Why do two brokers with the same advertised spread give different results?
- Advertised spreads are often averages or minimums shown in ideal conditions. Real execution quality - slippage, requotes, and spread widening during news or low liquidity - can differ significantly even when the headline number looks identical. This is why testing live conditions matters more than marketing pages.