Free trading tools
Funding cost calculator
Estimate how much funding a perpetual position will pay (or earn) over a planned hold. Use a negative rate to model the short side of a positive-funding market.
Position
The total dollar size of the position — leverage × margin.
Typical range: -0.05% to +0.05% per 8h. Positive = longs pay shorts. Use a negative value to model the receiving side.
How long you plan to keep the position open.
Funding cost
Total funding cost
Positive = you pay; negative = you earn
3.00 USDT
% of notional
Total funding as a fraction of position size
0.0300%
Funding intervals
Number of 8-hour windows covered
3.00
Per-interval funding
1.00 USDT
Funding is paid every 8 hours on most venues. Cost = notional × rate × (hours / 8). Positive cost means you pay; negative means you earn (e.g. short in a positive-funding market).
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