Funding calculator
Assumes the funding rate stays constant. Real rates change every interval.
Funding is a drip. Size is the leak.
A small rate on a large notional still moves the account. Fibonomy keeps the live size next to the decision you wrote down.
FAQ
How is funding estimated?
Periods equal days times 24 divided by the interval. Payment is notional times the rate times periods. A positive rate means longs pay shorts.
Will I actually pay this much?
Only if the rate and notional stay the same. Exchanges publish a new rate each interval.