Price is always depend on usecase and depend of marketing and team actions...
I'm not sure how they calculate it either. However, I can see from the charts that Stratis appears to be dying. Moreover, it is far from where it should be in price relative to its best price last time BTC was at its current value, which could be a sign of a failing coin. At the very least, it should be somewhere around 3-4 dollars. The most likely reason why it isn't is because people are losing interest in Stratis. It could also be a sign that it was merely built on hype, which is also bad.
Could Stratis recover? Maybe. But I won't be putting anymore money into it. I have already lost a significant amount of money on this bad investment. Hence my reason for saying in an earlier comment, "I wish I could turn back the clock!"
And their lackluster posting habits on Twitter isn't very helpful. It's important to post more frequently on social media to keep up community morale, even if it means sharing posts from other channels or positive thoughts. They should learn something about marketing from the people behind Tron. People can say marketing doesn't matter, but anyone who owns a successful business will tell you that marketing is essential! There is a reason why big brands pay a lot of money for commercial advertising. It's because it is very effective in drawing attention, building brand awareness, and making sales.