This topic delivers notifications for 24 hour window statistics for a pair (BASE_QUOTE), and this will happen whenever an order is opened, canceled or a trade happens for the given pair. By default, the system notifies the topic every 30 seconds, even if a transaction has not taken place.
Subscription Request Subscribe method. Must be subscribe
Array of topics to subscribe to. Format: ticker@BASE_QUOTE Example: ["ticker@ETH_BRL"]
Stream Response Each WebSocket message includes a sequential numeric id. Each topic has its own unique sequence, and for private topics, the sequence is unique to each topic and user. It’s important to note that some topics will send a “welcome message”, which will have an id value of -1. Additionally, this sequence may be reset between connections, so be sure to update this value locally whenever you reconnect.
Topic name (format: ticker@BASE_QUOTE)
Timestamp in milliseconds
Ticker details object Trading pair code (e.g., ETH_BRL)
24-hour price change percentage (as string)
Current best ask price (lowest sell order)
Current best bid price (highest buy order)
Highest price in the last 24 hours
Lowest price in the last 24 hours
First trade price in the last 24 hours
Last trade price (most recent)
Total volume in base currency (24h)
Total volume in quote currency (24h)
Total number of trades in the last 24 hours
Ticker calculation datetime (ISO 8601 format)
Base currency code (e.g., ETH)
Quote currency code (e.g., BRL)
Array of price conversions to other currencies Target currency code for conversion
Volume in the target currency
Subscription Example { "method" : "subscribe" , "topics" : [ "ticker@ETH_BRL" ] }
Stream Response Example { "id" : 6 , "topic" : "ticker@ETH_BRL" , "timestamp" : 1672856683447 , "body" : { "ask" : 4.01 , "base_code" : "ETH" , "base_id" : "27698137-8178-4395-9841-C1B1505C9352" , "bid" : 5 , "conversions" : [ { "currency_code" : "BRL" , "volume" : 0 }, { "currency_code" : "BTC" , "volume" : 0 }, { "currency_code" : "ETH" , "volume" : 0 }, { "currency_code" : "USD" , "volume" : 0 } ], "date" : "2022-09-28T19:13:40.887Z" , "first" : 10 , "high" : 20 , "last" : 20 , "low" : 20 , "pair" : "ETH_BRL" , "price_change_percent_24h" : "-16.66" , "quote_code" : "BRL" , "quote_id" : "48898138-8623-4555-9468-B1A1505A9352" , "quote_volume" : 600 , "trades_quantity" : 10 , "volume" : 124 } }
Multiple Pairs Example { "method" : "subscribe" , "topics" : [ "ticker@ETH_BRL" , "ticker@BTC_BRL" , "ticker@BTC_USD" ] }
Update Frequency
Default : Every 30 secondsOn Change : Immediately when a trade happens, order is opened/canceledTime Window : All statistics are for the last 24 hours
Key Metrics Metric Description Ask/Bid Current market price levels Spread Difference between ask and bid High/Low Price extremes in 24h period First/Last Opening and closing prices (24h) Volume Total quantity traded in base currency Quote Volume Total value traded in quote currency Trades Qty Number of individual trades Price Change % Percentage change from first to last
Calculation Examples // Bid-Ask Spread const spread = ticker . ask - ticker . bid ; // Price Change Percentage const percentChange = parseFloat ( ticker . price_change_percent_24h ); // Average Trade Price const averagePrice = ticker . quote_volume / ticker . volume ; // Price Range const priceRange = ticker . high - ticker . low ; // Volatility (simple) const volatility = priceRange / ticker . last ;
Usage Notes
24-hour Window : All metrics reset every 24 hoursReal-time Updates : Statistics update as new trades executeConversions : Multiple currency conversions includedVolume Metrics : Both base and quote currency volumes providedPrice Stability : Compare high/low to assess price stability
Use Cases
Real-time Ticker Display : Show current market prices and 24h statsTechnical Analysis : Use high/low/open/close for candlestick chartsMarket Overview : Display key statistics for pair comparisonAlert Triggers : Alert when price change exceeds thresholdTrading Decisions : Use volume and volatility for entry/exit signals 
