I totally agree with the fact that we need another exchange. I think the best one in these time is MintPal. Just look how it handle Mint trading, 1200BTC/days.
Besides Coinmarket and CoinEX you are also on
https://www.swisscex.com/market/NOBL_BTCBut more importantly, how well do you trust a new exchange?
Or is for example ecrypto.net already forgotton?