Spread-Only vs Commission Accounts: Which One Actually Costs You Less?

Almost every broker now offers two flavours of the same product. One account quotes a wider spread and charges nothing extra — the "standard" or "spread-only" account. The other quotes a razor-thin raw spread and adds a fixed commission per lot — the "raw", "ECN" or "zero" account. The marketing implies the commission account is for serious traders and the spread-only account is for beginners. That is not how the maths works. The only thing that matters is the total cost per lot, and which side wins depends entirely on how you trade.
The two cost structures, side by side
Cost on a forex CFD comes from exactly two places: the spread (the gap between bid and ask, which you pay on every trade) and any commission the broker charges per lot traded. A standard account folds everything into the spread. A raw-spread account splits it: a near-interbank spread plus a transparent commission, typically around $3 per side, per standard lot — so $6 round-turn on 1.0 lot.
The trap is comparing the headline numbers. "Spreads from 0.0 pips" looks unbeatable until you add the $6 commission. "Spreads from 1.0 pip, no commission" looks expensive until you realise there is nothing else to pay. You have to convert both to the same unit before they can be compared at all.
A worked example on EUR/USD
On a standard lot of EUR/USD (100,000 units), one pip is worth roughly $10. Take a typical raw account: an average spread of 0.2 pips plus $6 round-turn commission.
- Raw account: 0.2 pips spread = $2, plus $6 commission = $8 per lot, round-turn.
- Standard account: a 1.0-pip all-in spread = $10 per lot, round-turn. A 0.8-pip spread = $8. A 1.2-pip spread = $12.
So the break-even sits around a 0.8-pip standard spread. If your broker's standard EUR/USD spread is tighter than 0.8 pips, the spread-only account is cheaper. If it is wider — and most standard accounts sit between 1.0 and 1.6 pips on EUR/USD — the raw-plus-commission account wins. On a 1.4-pip standard spread versus an 8-dollar raw cost, you are overpaying by $6 a lot every single trade by staying on the standard account.
Why your trading style decides the winner
Commission is fixed per lot; the spread scales with how wide it is. That single fact splits traders into two camps.
If you trade often or scalp, every pip of spread is a tax on a strategy that targets only a few pips of profit. The raw account almost always wins because its all-in cost is lower and, just as importantly, more predictable. A scalper paying 1.4 pips instead of 0.8 isn't losing a few dollars — they're losing the edge the strategy was built on.
If you trade a few times a week and hold for days, the difference of a few dollars per lot is noise next to your profit target, and overnight swap charges will dwarf it anyway. The simplicity of a no-commission account has real value, and the gap rarely justifies micro-optimising.
Beware exotic and minor pairs, too. Raw spreads on majors are tight, but on something like GBP/NZD the raw spread can blow out while the commission stays fixed — sometimes making the standard account the cheaper of the two on the very pairs people assume are expensive everywhere.
The numbers brokers don't put in the headline
Two more costs decide the real total. Swap (overnight financing) is charged on positions held past the daily rollover and is identical in spirit on both account types — for multi-day trades it often exceeds the spread-versus-commission difference entirely. And minimum commission tiers or inactivity fees can quietly erase the saving on a raw account if you trade small or rarely. Read the full schedule, not the front page.
How to settle it for your own trading
Don't trust the marketing — measure. Open the same broker's standard and raw accounts in a demo, pull the live spread on the pairs you actually trade at the times you actually trade them, and add the commission. Then put it next to your real monthly volume.
The brokers worth your time publish both account schedules clearly and don't hide the commission tiers. Capital.com runs a spread-only model with no separate commission, which keeps the comparison simple; CMC Markets and other multi-account brokers let you choose. Line them up on our broker comparison tool or browse the full broker list and compare the all-in cost per lot — never the headline spread alone.
The bottom line is unromantic: there is no "better" account type, only a cheaper one for your volume and style. Do the cost-per-lot maths once, and the choice makes itself.
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