A new exchange can be a solution to increase prices and trading volume, if the new exchange is an exchange that has a good reputation, but if it does not have a good reputation then it will not have a big impact.
New exchange for what? Hydax is an exchange platform, and the liquidity is pretty good for new exchanges. I think it only takes time so that the price of HDX can be good
That's right, Hydax is a new exchange with good trading volume, but you can see how HDX token prices go down ($0,1 USD >> $0,016 USD). You ask New exchange for what? of course to increase trading volume and prices, it can also make more people know about HDX tokens as well as Hydax exchanges.
If you want to increase the trading volume and price, do not list it on other exchanges but list it on aggregator websites such as CoinMarketCap, CoinGecko, WorldCoinIndex, and many more. Listing it on another exchange will not make any difference because it is an exchange token unless they make a partnership with another exchange and give the users benefit in using their token on another exchange.