# Fees

Technical specifications for Stratium perpetual futures contracts.

### Common Parameters

| Parameter      | Value                                      |
| -------------- | ------------------------------------------ |
| Contract Type  | Perpetual futures (no expiry)              |
| Quote Currency | USDH                                       |
| Settlement     | Cash-settled                               |
| Position Unit  | USDH notional value                        |
| PnL Formula    | (Exit Price - Entry Price) x Position Size |
| Funding        | Per Hyperliquid standard (hourly)          |
| Margin Modes   | Cross, Isolated                            |

### Per-Market Specifications

Detailed specifications for each market (leverage limits, tick size, minimum order size, oracle source, rebalancing frequency) will be published here as markets launch.

Each market's parameters are configured based on the underlying's volatility profile, oracle update frequency, and liquidity characteristics. Structured product underlyings (volatility indices, hashprice, macro composites) have different risk parameters than standard token perps.

### Fee Schedule

HIP-3 fees follow the same schedule as base Hyperliquid perpetuals. Fee rates are not configurable by deployers.

| Tier | 14-Day Volume | Taker  | Maker  |
| ---- | ------------- | ------ | ------ |
| 0    | --            | 0.090% | 0.030% |
| 1    | >$5M          | 0.080% | 0.024% |
| 2    | >$25M         | 0.070% | 0.016% |
| 3    | >$100M        | 0.060% | 0.008% |
| 4    | >$500M        | 0.056% | 0.000% |
| 5    | >$2B          | 0.052% | 0.000% |
| 6    | >$7B          | 0.048% | 0.000% |

### USDH Discounts

* Taker fees: -20% (applies to Hyperliquid's share only)
* Maker rebates: 50%
* Fee tier volume credit: 20%

### Staking

No fees on staking or unstaking HYPE through Stratium.


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