Funding fee calculator

How much do you pay (or receive) on a perp position given the funding rate and your notional?

Inputs

Funding rate sign convention: positive = longs pay shorts, negative = shorts pay longs.

"I want to short 50k of ETH on a venue with +0.02% funding every 8h. What's the daily cost?"
"I'm long 100k of BTC on Hyperliquid where funding is -0.005% every 1h. How much am I receiving per day?"
"I see a +10% APY arb on /now. What's the actual dollar amount on a 25k position?"

Live cross-venue funding rates: Heatmap · Live signals

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