"...we do not believe it is safe to allow support for Bitcoin Gold at this time. If the blockchain proves to be secure and valuable, GDAX may choose to support it and at that point credit your account with an amount of Bitcoin Gold equal to your Bitcoin (BTC) balance at the time of the fork."
"...we do not believe it is safe to allow support for Bitcoin Gold at this time. If the blockchain proves to be secure and valuable, GDAX may choose to support it and at that point credit your account with an amount of Bitcoin Gold equal to your Bitcoin (BTC) balance at the time of the fork."
https://blog.gdax.com/timeline-and-support-bitcoin-segwit2x-...