Most new traders check the price of a currency pair and stop there. But the price you see and the price you trade at are two different numbers β and the gap between them, the spread, is one of the biggest hidden costs in trading if you don't understand it.
This isn't a fee added on top of your trade. It's built directly into the price. The moment you open a position, you're already at a small loss equal to the spread, because you bought at the higher ask and would have to sell back at the lower bid to close immediately. Your position needs to move in your favor by at least the spread amount just to break even.
Spreads come in two forms. A fixed spread stays the same regardless of market conditions, useful for predictability, but it usually means the broker is pricing in a buffer for volatile moments. A variable (or floating) spread moves with live market liquidity: it narrows when the market is calm and liquid, and widens during news events, session opens, or thin overnight trading.
Yume Prime uses variable spreads across all account types, sourced directly from our liquidity providers. That means during normal trading hours, spreads on majors like EUR/USD are typically at their tightest; but you should expect them to widen briefly around high-impact news releases, which is true of any broker's variable pricing, not a platform issue.
This is where account types start to matter. On a Standard account, there's no separate commission; the spread itself is slightly wider, and that's how the cost of the trade is built in. On Plus and Pro accounts, spreads are tighter (down to raw, near-zero on Pro), but a small commission is charged per lot, per side, on top.
Neither model is objectively cheaper; it depends on your trading style. A trader holding positions for hours or days barely notices the spread once a trade is in profit. A scalper making dozens of trades a day, however, pays that cost every single time they enter and exit, which is why raw spread plus commission pricing tends to work out cheaper at high frequency.
If you're new to trading, hold positions for longer periods, or trade infrequently, the Standard account's spread-only model is simpler to track: one number, no separate commission line to calculate. If you trade actively, scalp short-term moves, or run automated strategies, the Plus or Pro account's raw spread plus commission model will almost always be cheaper over a large number of trades, even after accounting for the commission.
The only way to know for certain is to look at your own trade frequency and holding time. As a rule of thumb: the more trades you place per day, the more the spread compounds and the more a tighter-spread account type pays for itself.

A weekly breakdown of the macro forces moving XAU/USD.
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A weekly breakdown of the macro forces moving XAU/USD.
Read more
A weekly breakdown of the macro forces moving XAU/USD.
Read more