The final phase of the lot sizes update will take place February 12, between 12.00 UTC and 15.00 UTC. Lot sizes and price steps will be changed for DASH/USDT, ZEC/USDT, BTC/DAI, DOGE/BTC, DOGE/USDT.
You will find all the details in our blog: http://blog.hitbtc.com/system-updates-lot-size/ …