Funding Rate

Funding Rates

Because Perpetuals have no expiration date, final settlement, or delivery, funding rate payments are the incentive mechanism to bring Vortex’s mark price closer to the oracle price.

For instance, a trader with a short position in a market whose mark price > oracle price will receive a payoff proportional to their position size.

Funding is collected hourly based on the ratio between longs and shorts, using a daily funding period. It is calculated using the difference between an hourly time-weighted average price (TWAP) of mark price and an hourly TWAP of the oracle price normalized over 24 hours.

Funding Formula and Example

Suppose now the TWAP mark price and index price are $1.6/$1.6, $1.62/$1.6 and $1.64/$1.61 at t0, t1 and t2 respectively, Alice’s payment in t1 and t2 will be the following:

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