Right off the bat, I need to say, XEM and XYM are 2 different coins, 2 blockchains, 1 ecosystem. One doesn't influence the other. The fact of the matter is, there are a few questions about it.
Given NEM's special position in the crypto markets, it's difficult to envision anything besides accomplishment for this platform. For the present, NEM shares the best position in the crypto market as one of the head platforms accessible.
It handles an assortment of issues at present tormenting the crypto market. One of the central missions for this platform is to expand interoperability between private blockchain networks.
Generally, It was worked from the beginning in light of the requirements of enormous organizations. Symbol launch is on March 15th I think it will go up a bit after it is launched. I don't see any weakness in it in the future, only to see how everyone accepts it after the launch of Symbol.