The trading lot size limits applicable to both STD and PRO accounts are outlined below:
Forex (Currency Pairs), Commodities, and Index CFDs:
Maximum of 40 lots per order; minimum of 0.01 lot.
Stock CFDs & ETF CFDs:
Maximum of 10,000 lots per order; minimum of 1 lot.
Cryptocurrencies:
Maximum of 10 lots per order; minimum of 0.01 lot.