whats PA?
Per annum (per year).
and 1300%? so you buy for 10 and sell for 130 for example? wow!
No, that's 1300%
on top of my original investment. Buy for 10, sell for 140. Of course, such rapid gains are much less likely now that the market is larger and more mature, and in any case Bitcoin should be regarded as a high-risk investment.