Altcoin thread are very differentiated by itself. There are thousands of cryptocurrencies, of projects out here and many of them are working on a different rules than bitcoin, or even ethereum. It's obvious, but the differences are making them more or less volatile to market situation. Nonetheless i agree with an opinion, that many altcoins are very difficult to hold - for example, one of cryptos i held for months was FTO, and right now the price has dropped down a bit, but according to their medium (https://medium.com/futurocoinfto/a-futurocoins-masternode-5d51b23628e6) they are introducing some new solutions to their chain and masternodes system to be available for more people