Ticker (Instrument Name) (Interval)

Channel Name Schema

`ticker.{instrument_name}.{interval}`

Periodically publishes ticker info (best bid / ask, instrument contraints, fees, etc.) for a single instrument.

Channel Parameters


instrument_name string required Instrument name
interval string required Interval in milliseconds enum `100` `1000`

Notification Data


channel string required Subscribed channel name
data object required
data.timestamp integer required Timestamp of the ticker feed snapshot
data.instrument_ticker object required Instrument of the ticker feed snapshot
data.instrument_ticker.amount_step string required Minimum valid increment of order amount
data.instrument_ticker.base_asset_address string required Blockchain address of the base asset
data.instrument_ticker.base_asset_sub_id string required Sub ID of the specific base asset as defined in Asset.sol
data.instrument_ticker.base_currency string required Underlying currency of base asset (`ETH`, `BTC`, etc)
data.instrument_ticker.base_fee string required $ base fee added to every taker order
data.instrument_ticker.best_ask_amount string required Amount of contracts / tokens available at best ask price
data.instrument_ticker.best_ask_price string required Best ask price
data.instrument_ticker.best_bid_amount string required Amount of contracts / tokens available at best bid price
data.instrument_ticker.best_bid_price string required Best bid price
data.instrument_ticker.fifo_min_allocation string required Minimum number of contracts that get filled using FIFO. Actual number of contracts that gets filled by FIFO will be the max between this value and (1 - pro_rata_fraction) x order_amount, plus any size leftovers due to rounding.
data.instrument_ticker.index_price string required Index price
data.instrument_ticker.instrument_name string required Instrument name
data.instrument_ticker.instrument_type string required `erc20`, `option`, or `perp` enum `erc20` `option` `perp`
data.instrument_ticker.is_active boolean required If `True`: instrument is tradeable within `activation` and `deactivation` timestamps
data.instrument_ticker.maker_fee_rate string required Percent of spot price fee rate for makers
data.instrument_ticker.mark_price string required Mark price
data.instrument_ticker.max_price string required Maximum price at which an agressive buyer can be matched. Any portion of a market order that would execute above this price will be cancelled. A limit buy order with limit price above this value is treated as post only (i.e. it will be rejected if it would cross any existing resting order).
data.instrument_ticker.maximum_amount string required Maximum valid amount of contracts / tokens per trade
data.instrument_ticker.min_price string required Minimum price at which an agressive seller can be matched. Any portion of a market order that would execute below this price will be cancelled. A limit sell order with limit price below this value is treated as post only (i.e. it will be rejected if it would cross any existing resting order).
data.instrument_ticker.minimum_amount string required Minimum valid amount of contracts / tokens per trade
data.instrument_ticker.option_details object or null required Details of the option asset (if applicable)
data.instrument_ticker.option_details.expiry integer required Unix timestamp of expiry date (in seconds)
data.instrument_ticker.option_details.index string required Underlying settlement price index
data.instrument_ticker.option_details.option_type string required enum `C` `P`
data.instrument_ticker.option_details.strike string required
data.instrument_ticker.option_details.settlement_price string or null Settlement price of the option

data.instrument_ticker.option_pricing object or null required Greeks, forward price, iv and mark price of the instrument (options only)
data.instrument_ticker.option_pricing.ask_iv string required Implied volatility of the current best ask
data.instrument_ticker.option_pricing.bid_iv string required Implied volatility of the current best bid
data.instrument_ticker.option_pricing.delta string required Delta of the option
data.instrument_ticker.option_pricing.forward_price string required Forward price used to calculate option premium
data.instrument_ticker.option_pricing.gamma string required Gamma of the option
data.instrument_ticker.option_pricing.iv string required Implied volatility of the option
data.instrument_ticker.option_pricing.mark_price string required Mark price of the option
data.instrument_ticker.option_pricing.rho string required Rho of the option
data.instrument_ticker.option_pricing.theta string required Theta of the option
data.instrument_ticker.option_pricing.vega string required Vega of the option

data.instrument_ticker.perp_details object or null required Details of the perp asset (if applicable)
data.instrument_ticker.perp_details.aggregate_funding string required Latest aggregated funding as per `PerpAsset.sol`
data.instrument_ticker.perp_details.funding_rate string required Current hourly funding rate as per `PerpAsset.sol`
data.instrument_ticker.perp_details.index string required Underlying spot price index for funding rate
data.instrument_ticker.perp_details.max_rate_per_hour string required Max rate per hour as per `PerpAsset.sol`
data.instrument_ticker.perp_details.min_rate_per_hour string required Min rate per hour as per `PerpAsset.sol`
data.instrument_ticker.perp_details.static_interest_rate string required Static interest rate as per `PerpAsset.sol`

data.instrument_ticker.pro_rata_amount_step string required Pro-rata fill share of every order is rounded down to be a multiple of this number. Leftovers of the order due to rounding are filled FIFO.
data.instrument_ticker.pro_rata_fraction string required Fraction of order that gets filled using pro-rata matching. If zero, the matching is full FIFO.
data.instrument_ticker.quote_currency string required Quote currency (`USD` for perps, `USDC` for options)
data.instrument_ticker.scheduled_activation integer required Timestamp at which became or will become active (if applicable)
data.instrument_ticker.scheduled_deactivation integer required Scheduled deactivation time for instrument (if applicable)
data.instrument_ticker.taker_fee_rate string required Percent of spot price fee rate for takers
data.instrument_ticker.tick_size string required Tick size of the instrument, i.e. minimum price increment
data.instrument_ticker.timestamp integer required Timestamp of the ticker feed snapshot
data.instrument_ticker.stats object required Aggregate trading stats for the last 24 hours
data.instrument_ticker.stats.contract_volume string required Number of contracts traded during last 24 hours
data.instrument_ticker.stats.high string required Highest trade price during last 24h
data.instrument_ticker.stats.low string required Lowest trade price during last 24h
data.instrument_ticker.stats.num_trades string required Number of trades during last 24h
data.instrument_ticker.stats.open_interest string required Current total open interest
data.instrument_ticker.stats.percent_change string required 24-hour price change expressed as a percentage. Options: percent change in vol; Perps: percent change in mark price
data.instrument_ticker.stats.usd_change string required 24-hour price change in USD.

data.instrument_ticker.mark_price_fee_rate_cap string or null Percent of option price fee cap, e.g. 12.5%, null if not applicable

Example

Subscriptions are only available via websockets.

{request_example_javascript}

{request_example_python}

Notification messages on this channel will look like this:

{response_example_json}