Market Data Channels

Real-time market data streams. These channels deliver price feeds, orderbook updates, volatility surfaces, and instrument listings.

Channel	Description	Auth Required
index_price	Underlying asset price updates	Yes
instruments	Available instruments list updates	Yes
orderbook_options	Option orderbook updates	Yes
orderbook_perps	Perpetual orderbook updates	Yes
orderbook_maker	Maker-specific orderbook	Yes
funding	Funding rate updates	Yes
interest_rate	Interest rate changes	Yes
iv	Implied volatility (SVI) updates	Yes

All orderbook channels share the same event types — see Orderbook Events for post_order, cancel_order, and update_order schemas.