The way I look at Bitcoin, it's dropping most of the time. If I'd have accurate historic data I'd do the math, but if I'd have to take a guess, it feels like it's dropping 90% of the time. But when it goes up, it goes up much faster than it went down.

Visualized:
down down down down down down down down down UP down down down down down down down down down UP down down down down down down ............