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The mark price is used for margining, liquidations, stop/limit triggers, and unrealized P&L. Scape’s pushed mark input is the median of three components:
  1. The oracle price.
  2. The oracle price plus basis — a 150-second EWMA of the order-book impact mid relative to the oracle.
  3. The venue mark derived from the order book.
The relayer pushes this input on-chain. HyperCore determines the final mark under current protocol rules using the pushed inputs and its own book-derived mark, including movement clamps and stale-input fallbacks.
The final mark determination is fixed by Hyperliquid and is not deployer-configurable. Scape sets the oracle and pushed inputs that feed it, not the mark methodology.

Off-Hours Behavior

During off-hours, the discovery band caps the published oracle price — and with it the funding reference. The basis term allows the pushed mark to follow the local order book beyond the oracle band, with smoothing. Margining and liquidations remain live against the protocol-determined mark throughout.