Perpetual Options Funding Rates

Calculation

Perpetual options funding rates represent periodic payments exchanged between traders holding long and short positions in perpetual swap contracts, designed to align the perpetual contract price with the underlying spot market price. These rates, typically calculated and applied every eight hours, are determined by a funding rate formula that considers the premium or discount between the perpetual contract and the index price. A positive funding rate indicates longs pay shorts, incentivizing short positions and reducing the perpetual contract price towards the spot price, while a negative rate has the opposite effect. The magnitude of the rate is influenced by the time to expiry and the difference between the perpetual and spot markets, impacting trading strategies and risk exposure.