Rising bitcoin prices are not directly proportional to rising prices of ethereum and other altcoins, changes in bitcoin prices have risen significantly these days but ethereum and other altcoins have risen slightly later declined again, so it is very difficult to guess the altcoin prices are not like 2 years ago together with bitcoin.
because with a high increase in Bitcoin, people will prefer Bitcoin so there are many people who exchange their altcoins with Bitcoin.
but in my opinion Ethereum's increase is quite good, although not significant because altcoin could be down because Bitcoin is on the rise.