Home Help Center Trading & Investing What is the Minimum Lot size? What is the Minimum Lot size? The minimum Lot size in eToro when opening a position manually is a Micro lot (1000 units). Trending Articles Are there any benefits in buying stocks at eToro? Why is the risk in real time stock higher than in the FX market? What is margin? Can I trade options at eToro? So if the spread is variable, how will I know what spread I will get? Is it possible to “short sell” stocks? How do I know how much I’m going to pay per stock?