At Vivid Invest we have quite a simple tariff structure
0 commission per trade for any Fractional Shares in our catalogue.
0.5% mark-up for the currency exchange rate.
Certain products like underlying ETFs might charge additional costs that are adjusted for in the price of the Fractional Share. But basically, there are no further costs. Using the Investment Pocket is totally free of charge and there are no pocket opening or asset custody fees. You can find the full pricing schedule here.