Benefits and Risks of Using AI in Trading: A robotic hand interacting with a forex trading chart on a computer screen, symbolizing AI-driven trading strategies.

If you have traded once in your life, you know all about meeting the spread. This little hidden expense can be easily overlooked, especially if you are trading in a prop firm account and every pip counts.

What makes it more challenging, however, is the fact that many traders understand what spread is in its basic definition, but struggle to calculate and comprehend the effect it will have on their trading performance. This guide aims to help you learn how to do just that.

What Is the Spread?

First things first – let's not get too technical.

The spread is the difference between the buying price and the selling price of a security. This is the amount earned by the broker and prop firm liquidity providers when dealing with securities.

To give an example:

  • EUR/USD Bid: 1.1050
  • EUR/USD Ask: 1.1052

Here, the spread is 2 pips.

Why Spread Matters More in Prop Firm Trading

Spreads matter when you trade with your own money. However, in the case of a forex funded account they become essential.

Why is that?

Well, because:

  • There are always restrictions regarding drawdowns 
  • Profit objectives are set in many cases
  • Strategies like scalping require precise trading

A little wider spread may result in:

  • Making the stop loss work less effectively
  • Slashing profits
  • Making passing tougher than it should be

Thus, you won’t do without considering spreads.

Step-by-Step: How to Calculate Spread in Forex

Let's go through this process together so that you can easily calculate the spread on the fly.

Analyze Bid and Ask Rates

All you need to do is open your terminal (MT5) and observe two rates:

Bid (sell rate)

Ask (buy rate)

Example:

Bid: 1.2000

Ask: 1.2003

Calculate the Difference Between Bid Rate and Ask Rate

Now it is time to perform some math operations:

Spread = Ask rate – Bid rate

Therefore,

1.2003 – 1.2000 = 0.0003

Translate Into Pips

Since most currency pairs use the four-digit representation, we should convert the difference into pips.

Hence:

0.0003 = 3 pips

And it will be your spread.

Shortcuts for Faster Calculations (Mental Math)

It only takes practice to understand that you can quickly perform these calculations mentally without any effort.

Simply look at the last digits:

1.2000→ 1.2003 = 3 pips

1.1055→ 1.1057 = 2 pips

How Spread Shows Up in Your Trade

But there is one thing that most traders miss.

Suppose that you go long on EUR/USD at 1.2003 (ask).

As soon as you exit the trade, you are selling at the bid (1.2000).

In that case, it’s already minus 3 pips simply due to the difference between the two prices.

Which means that, in practice, the price should cover 3 pips to your advantage to be in profit.

Spread Calculation Example in a Real Trade

Let’s make it practical.

  • Pair: GBP/USD
  • Bid: 1.3050
  • Ask: 1.3052
  • Spread: 2 pips

You place a buy trade.

If price moves to:

  • Bid: 1.3054
  • Ask: 1.3056

Now your position closes at 1.3054, giving you:

  • Entry: 1.3052
  • Exit: 1.3054
  • Profit: 2 pips

Even though the market moved 4 pips, you only captured 2. The spread took the rest.

Fixed vs Variable Spreads (Important for Prop Traders)

But that is not the case with all spreads.

Fixed Spread

Consistent spread (e.g., always 2 pips)

More predictable

Better suited for novices

Variable Spread

Determined by market situation

Can be extremely low in calm times

Can become extremely high with volatility

Professional firms mostly use variable spreads, meaning you must be ready for anything, especially when important news is coming out.

The Role of Spread in Strategy Performance

This is where the action happens.

Scalping

When your target is 5-10 pips per trade, 2-3 pip spread is big. It will take away 30%-50% of your profits.

Day Trading

Spread will be important, but a little more wiggle room.

Swing Trading

Spread will become less of an issue since you aim to capture larger price movements.

So you need to always fit your strategy to the spread conditions you trade in.

An Underutilized Tip Every Trader Should Know About

Monitor the spread at different times of the day.

The spread usually:

Narrows in London & New York time zones

Expands in low liquidity periods

Peaks on news events

In prop firm competitions, just timing alone will make a difference.

Where This Fits In: The Bigger Picture

Every trader at one point in time searches online “How to Calculate Spread in Forex,” but the true key lies in its implementation within trading.

In a Forex Funded Account, you won’t just be calculating spreads; you’ll need to factor them into:

  • Position sizing
  • Stop-loss placement
  • Risk/Reward ratio

This is what differentiates recreational traders from professional ones.

Mistakes to Avoid

Let’s skip the heartache.

Not Factoring Spread in Risk Management

Your stop-loss must factor in spread, not only price points.

Trading under High Spread Levels

News announcements could cause a spike in spreads, even reaching up to 5–10 times the norm.

Trading Small Moves Under High Spread Levels

If your target is too small, spread could stealthily eat away at your balance.

Final Thoughts

Spread calculations are simple enough; however, respecting them is where the average trader fails.

In prop trading, the objective is to operate with maximum efficiency. Any inefficiency, even such minor as not considering a 2-pip spread, can easily lead to failure or prevent an account from growing further.

This means that when placing the next trade, besides paying attention to the direction, you should always be aware of the entry costs.

After all, in the forex world, the journey is always more important than the destination.

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