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The allMarkets channel pushes the current oracle price, mark price, and 24-hour volume for every contract in one frame, about once per second. One subscription covers the whole market — you do not need a separate ticker subscription per contract. This is a public channel and requires no authentication. It carries three values per contract by design. For a single contract’s full statistics — price change, high, low, trade count, funding rate — use ticker.

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Subscribing

This channel takes no parameters — there is no asset field.

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Push message format

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Field reference

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int64
Generation time of the frame, in Unix milliseconds.
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array
One entry per contract that currently has a price. Each entry contains:
  • asset (string) — the contract ID.
  • oraclePx (string) — current oracle price, raw integer scaled by priceScale; "0" when no data.
  • markPx (string) — current mark price, raw integer scaled by priceScale; "0" when no data.
  • vol24h (string) — 24-hour rolling volume in base units, raw integer scaled by qtyScale. Measured on the same basis as volume in the ticker channel.

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Consuming the stream

1

Key by asset

Index markets by asset and replace your local map from each frame. Frames are full snapshots, never deltas.
2

Expect every priced contract

Coverage is all active contracts that have a price. A contract with a price but no trades yet reports vol24h as "0" — that is not an error.
3

Convert raw values

Apply each contract’s priceScale and qtyScale from configs before display; never hardcode a scale.
Use allMarkets to drive a market list or ticker tape, then subscribe to ticker only for the contract the user has open.