Here's a breakdown of the contract sizes for different trading instruments:
Forex pairs: 100,000
Indices: 10
Commodities: 100 (Exception: XAGUSD 5000)
Cryptocurrency: 1, 100 & 1000 (Varies in different pairs)
Please note that these contract sizes apply to all accounts.
Please refer to the image below for details of the contract size:
To access the contract specifications on your MT4 and MT5 platforms:
Desktop:
Open the Market Watch.
Right-click on the desired symbol and select "Specification."
Mobile:
Tap on the symbol you want to check.
Navigate to the "Properties" section.
Please find a visual representation of the process in the video below for your reference: