Coinbase chart

Anyone notice that the BTC, ETh, and LTC have almost identical overall chart patterns. now a day I this it's also like a clothing store if summer come all summer cloth have heigh value and demand and u guess what about the winter.
For winter most of the factory will busy for coming season it will busy to make and fulfill to deman and supply for next season if u make a chart it will be same as bitcoin,eth and litecoin .