Quotes
WS
Delayed: wss://delayed.polygon.io/futures
Real-Time: wss://socket.polygon.io/futures
Futures WebSocket access is currently in beta and coming soon.
Stream BBO (Best Bid and Offer) quote data for futures tickers via WebSocket. Each message provides the current best bid/ask prices, sizes, and related metadata as they update, allowing users to monitor evolving market conditions, inform trading decisions, and maintain responsive, data-driven applications.
Use Cases: Live monitoring, market analysis, trading decision support, dynamic interface updates.
Parameters
ticker
string
required
Specify a future ticker or use * to subscribe to all future tickers.
You can also use a comma separated list to subscribe to multiple future tickers.
You can retrieve available future tickers from our Futures Tickers API.
Response Attributes
ev
enum (Q)
The event type.
sym
string
The ticker symbol for the given future.
bp
number
The bid price is expressed per unit of the underlying asset, and you apply the contract multiplier to get the full contract value.
bs
integer
The quote size represents the number of futures contracts available at the given bid price.
bt
integer
The timestamp when the bid was submitted to the exchange.
ap
number
The ask price is expressed per unit of the underlying asset, and you apply the contract multiplier to get the full contract value.
as
integer
The quote size represents the number of futures contracts available at the given ask price.
at
integer
The timestamp when the ask was submitted to the exchange.
t
integer
The timestamp in Unix MS.