Account maintenance at City Index and Trade Tech is free. Transaction commissions and spreads (the difference between the buying and selling price) may be considered equivalent to an account maintenance fee. The conditions offered by these institutions are ones of the lowest in the industry. In the case of Tradier, our users pay one fixed monthly subscription with an unlimited number of transactions on American stocks or options. Transaction commissions are included in the subscription price. Detailed information on fees can be found at the following links: fees in City Index, fees in Tradier.