In the winter of last year, I bought a few Bitcoin Gold coins and hold them on the Bittrex exchange in anticipation of growth.
Bitcoin gold hasn´t worked even half as good as intended. I never saw much potential on it to tell the truth. This is kind of one one-guy coin and that normally does not create enough enthusiasm to drive a good growth, even if that guy is very rich.
As also mentioned in other posts, if you use the same hashing algo and you are not the coin with the highest hash power, you are exposed to a 51%