# Ticks listener
Ticks can be listened through the watchTicks
directive.
- Example
import { MidaMarketWatcher, } from "@reiryoku/mida";
const marketWatcher = new MidaMarketWatcher({ tradingAccount: myAccount, });
await marketWatcher.watch("BTCUSDT", { watchTicks: true, });
marketWatcher.on("tick", (event) => {
const { tick, } = event.descriptor;
const btcUsdtBid = tick.bid;
const btcUsdtAsk = tick.ask;
});