BTG delist from exchanger bittrex and dev BTG give announcement https://bitcoingold.org/statement-regarding-bittrex/ BCD is better than BTG , security BTG is low under attack. If we see the price BTG its so hard go down from top price since 51% under attack mei 2017.
Bittrex only accounted for 2-5% of trading volume according to CMC, their delist had no long term effect, as you can see our price actually went up since then.