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Spread

1. Definition

Spread is the difference between the Ask price (Buy price) and the Bid price (Sell price) of an instrument at a specific moment.

Spread represents the immediate transaction cost paid by the client when opening a position.

2. Formula

Screenshot 2026-03-02 at 14.18.36.png

Spread = Ask - Bid

Where:

  • Ask — price displayed in the Buy button

  • Bid — price displayed in the Sell button

3. Example

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Spread is measured in the instrument price unit.

For instruments quoted against USD (e.g. USOUSD, WTI, BRENT, BTCUSD):

Unit = USD

Example:

Ask = 72.68
Bid = 72.36

Spread = 72.68 - 72.36 = 0.32

Result: 0.32 USD

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