In a way it is gambling because you are still playing a game of statistics. the difference between gambling and trading is that you determine the statistics of you winning or losing by your trading setup, so that you can stack the odds in your favor. you're more likely to make money trading than in a casino where the house has a statistical edge against you.
Real live trading has nothing to with statistics
And just in case, neither does gambling as such though you can apply the methods of statistics to organize, analyze, and interpret the outcomes of your rolls (whether it will help you is another matter). Gambling is more about a theory of chances (probability theory). Obviously, in trading you can apply statistics too, but as the saying goes, "the past performance is not indicative of future results", and this is particularly true in respect to highly speculative assets such as Bitcoin and accomplices, up to a point where it becomes completely irrelevant, inconsequential, or even outright dangerous (to rely on and proceed with)