1. A charge or payment amount that fluctuates based on specific conditions, usage, market conditions, or other changing factors rather than remaining constant
The credit card has a variable fee structure that depends on transaction volume.
O cartão de crédito tem uma estrutura de taxa variável que depende do volume de transações.
2. In finance and services, a fee that increases or decreases according to predetermined criteria or market indicators
Mutual funds often charge variable fees based on assets under management.
Fundos mútuos geralmente cobram taxas variáveis com base nos ativos sob gestão.