diff --git a/src/bookTicker.js b/src/bookTicker.js
new file mode 100644
index 00000000..f0588f34
--- /dev/null
+++ b/src/bookTicker.js
@@ -0,0 +1,41 @@
+/**
+ *    {
+ *    "u":400900217,     // order book updateId
+ *    "s":"BNBUSDT",     // symbol
+ *    "b":"25.35190000", // best bid price
+ *    "B":"31.21000000", // best bid qty
+ *    "a":"25.36520000", // best ask price
+ *    "A":"40.66000000"  // best ask qty
+ *  }
+ *
+ * @class BookTicker
+ */
+class BookTicker {
+  constructor({
+    exchange,
+    base,
+    quote,
+    bid,
+    bidVolume,
+    ask,
+    askVolume,
+  }) {
+    this.exchange = exchange;
+    this.base = base;
+    this.quote = quote;
+    this.timestamp = timestamp;
+    this.bid = bid;
+    this.bidVolume = bidVolume;
+    this.ask = ask;
+    this.askVolume = askVolume;
+  }
+
+  /**
+   * @deprecated use Market object (second argument to each event) to determine exchange and trade pair
+   */
+  get fullId() {
+    return `${this.exchange}:${this.base}/${this.quote}`;
+  }
+}
+
+module.exports = BookTicker;