Bitcoins, though a lucky currency, but I think when it comes to selling it, we just cannot focus on its predictability.

still there are more things to look. Some of us hold Btc, and then suffer in serious indecisions, its like -whether I should sell it in 2.5× rate,or be the profit be higher than that etc etc.

But, as the time comes, we hesitate to keep the stock and let it go.
That is the serious matter to look out.Once, we point the right benchmark of selling, it can be potentially 3× profit or more.. But,after then, being self-complacent, we need to agree and hold onto the acquired selling target,whatever it is ---thats my personal opinion.
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