okex delisted the pair utk/btc because of low volume but we still have utk/usdt on okex and all pairs are on huobi and kucoin ,the team have some release next month and i think that more investors will come and all volumes will increase .
No, they are not delisted UTK/BTC. Look here:
https://www.okex.com/market?product=utk_btcAnd coinmarketcap showing UTK/BTC pair and volume at Okex.