Perpetuals funding
Funding is collected hourly based on the ratio between longs and shorts, using a daily funding period. It is calculated using a difference between an hourly TWAP of mark price and an hourly TWAP of the index price, normalized over 24 hours.
1h funding=1h TWAP markindex24\text{1h funding} = \text{1h} \space \text{TWAP} \space \frac{mark - index }{24}
where:
  • Index price is the price of the underlying asset
  • markindex\frac{mark}{index}
    is clamped between 0.95 and 1.05
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