Eth is much stronger than btc imo, it will eventually overtake the leading position price wise. Just because it's better technologically. Besides, it's getting more and more popular with all those new coins which are based on eth.
Sorry to say this to you but that is impossible, ETH has shown that is a very solid project but bitcoin has shown that for an even longer amount of time and has the trust of the community, while some other people do not trust ETH because of the incident that caused ETH to fork in two different coins, besides the ico market is not moving as much as in previous years with all the regulations that are now in place.