Ticker

Ticker data

This guide explains how to use the WebSocket API to subscribe to market data updates via the /ticker channel.

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Overview

The WebSocket API allows clients to receive real-time market data updates. Subscribing to the /ticker channel provides updates for market ticker data, including prices, bids, asks, and quantities.

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Channel

/ticker/*

• Subscribe to get ticker data from all active markets.

/ticker/bytradingpair/{market symbol}

• Subscribe to get ticker data from specific markets

• Client may be subscribed to many markets at the same time.

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Subscription

{
    "id": "94c68f6e-44ba-46ec-b9fb-4eb7addfe5ea",
    "type": "subscribe",
    "channel": "ticker/*",
    "authorization": {
        "host": "vfqqino6svadzoqkann4355in4.appsync-api.eu-central-1.amazonaws.com",
        "x-amz-date": "20250117T133706Z",
        "x-api-key": "da2-vjlcb7rsira4bggsctnmzcjvwe"
    }
}

{"id":"94c68f6e-44ba-46ec-b9fb-4eb7addfe5ea","type":"subscribe_success"}

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Market Data Model

When subscribed to the /ticker channel, the server sends market data updates in the following format:

Content type: application/json

Example message

{
  "channel": "ticker",
  "data": [
    {
      "symbol": "AMDIIIAX/EUROe",
      "lastPrice": 120.2,
      "bestBid": 120.05,
      "bestBidQuantity": 36,
      "bestAsk": 120.2,
      "bestAskQuantity": 150.5,
      "time": "2024-12-16T12:28:22.462Z"
    }
  ]
}

Field Descriptions

Field	Type	Description
channel	string	The name of the channel (ticker).
data	array	An array of market data objects.
symbol	string	The trading pair symbol (e.g., AMDIIIAX/EUROe).
lastPrice	number	The last traded price.
bestBid	number	The best bid price available.
bestBidQuantity	number	Quantity available at the best bid price.
bestAsk	number	The best ask price available.
bestAskQuantity	number	Quantity available at the best ask price.
time	string	Timestamp of the data update (ISO 8601 format).

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