- It shows you how much of market cap is backed by actual buy orders (~ whether it's vapor or not). The more buy support, the higher the probability that curren

- It shows you how much of market cap is backed by actual buy orders (~ whether it's vapor or not). The more buy support, the higher the probability that current price will hold (discounting for manipulative orders, of course). - Yes, we sum buy support at all levels. You can see the explanation here: https://news.ycombinator.com/item?id=18162456 https://news.ycombinator.com/item?id=18162456