Since most of the alt coins are traded with BTC or ETH. SO I think altcoins prie are dependent on the price of this two.
What is your opinion please share.
The answer is simple, regarding the sphere or cryptocurrency the big influencer is Bitcoin, conforming with the prove evolution of BTC the others coins go up or down.
Bitcoin really is the driver of the market's beta, but there's enough reasons to look for alpha in fundamental analysis. I still think that ERC20 tokens are more influenced by ethereum and only indirectly influenced by BTC - as BTC itself influences ETH's price.