Hyperliquid has released the Phase 2 technical update for event contract HIP-4 HIP-4 is becoming more flexible, allowing for the addition of Outcomes later and adjustable fees by Deployers Markets deployed by Deployers can collect their own fees, similar to HIP-3, with a base fee multiplier ranging from 0 to 10 After the next upgrade, Outcomes markets deployed by Validators will also start charging fees, averaging about half the cost of spot trading fees