Last year alts rise a lot. I dont know the average percentage. But when I check coins in the market at year 2013 lots of them dead now (too low ranks). probably new tech coins won them (like peercoin, namecoin, ixcoin etc)
Also we are following new ICO s and most of us expecting too much gain from new coins which are not at the market. If our ICO expectations will happen, when they added to market, current market coins will go down. kind of paradox
This is just like internet bubble. Lots of www company came up and every company had million dollar story. But when the bubble burst, most were gone. Only those companies with an actual use case stayed. Same is happening here, lots of altcoin come everyday but only those will thrive which have proper use case. Altcoin do have future but only those which have potential. All else are expected to die.Also we are following new ICO s and most of us expecting too much gain from new coins which are not at the market. If our ICO expectations will happen, when they added to market, current market coins will go down. kind of paradox