"What is the minimum / maximum size they can trade? August 04, 2022 03:37 Updated For our stock CFD products, the minimum trading unit is 0.1 lot and the maximum trading unit is 1000 units.A volume step is 0.1 for stock CFDs. Related articles What is the minimum and the maximum trading volume? What is a margin calculation formula of a stock CFD? What leverage will be applied for single stock CFDs? Is there any volume limits on single stocks CFDs? What is the minimum and maximum trading volume of Crypto CFDs?