I think new coins is not risky but we should always set a limitation in order for us to limit the possible loss if we are going to loss, risky is when you will not determine the good altcoins or the legit new altcoins but if you can choose the legit altcoins even if it is new then we can still earn on it depending on the development and the team that handle the projects.
We have very good altcoins coming into the market but the problem is that investors don't go for those coins instead they prefer chasing after those hype ones. They over hyped coins are always the risky ones as they can be dumped on late investors. If we want to invest then we should look for coins that are not overhyped but having good vision.
New altcoins can give you lots of money if you pick one of the many that'll do very well. You can invest in coins before they get listed on big exchanges and when they get listed you make money.
Low market coins can also make you huge profit more than those with very high market volumes. Getting coins on dex before they come to centralized exchange is also a good strategy.