Channel Name Schema

`ticker.{instrument_name}.{interval}`

DEPRECATED SINCE DECEMBER 1, 2025 IN FAVOR OF TICKER_SLIM

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. erc20_details object or null required Details of the erc20 asset (if applicable)
data.instrument_ticker.erc20_details. decimals integer required Number of decimals of the underlying on-chain ERC20 token
data.instrument_ticker.erc20_details. borrow_index string Latest borrow index as per `CashAsset.sol` implementation
data.instrument_ticker.erc20_details. supply_index string Latest supply index as per `CashAsset.sol` implementation
data.instrument_ticker.erc20_details. underlying_erc20_address string Address of underlying on-chain ERC20 (not V2 asset)

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. five_percent_ask_depth string required Total amount of contracts / tokens available at 5 percent above best ask price
data.instrument_ticker. five_percent_bid_depth string required Total amount of contracts / tokens available at 5 percent below best bid price
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. discount_factor string required Discount factor used to calculate option premium
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. open_interest object required Margin type of subaccount (`PM` (Portfolio Margin), `PM2` (Portfolio Margin 2), or `SM` (Standard Margin)) -> (current open interest, open interest cap, manager currency)
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}