Longs pay shorts when the funding rate is positive and receive when it is negative. This calculator turns a rate and a holding period into money, and links to the recorded funding history of major coins.
10,000 USDT long, 0.01% every 8 hours, 30 days: 90 settlements, 90 USDT paid, 10.95% annualized, 4.5% of a 5x position's 2,000 USDT margin.
Reference only, not investment advice. Exchange rules (maintenance margin tiers, fee tiers, funding intervals) change; check your exchange before trading.