If that is indeed the case, it's hoarding price stickiness... and its ultimately misplaced. I believe bitcoins will increase in value, so I would buy on a fall in price. But if I think that its my purchases that keep the price up, I would be better served by gradually selling off my investment because I can't keep the market afloat on my own. I could pursue a strategy of buying just a little bit and hoping that other buyers are encouraged by the price resistance, and then sell into their demand... So I guess that last strategy is possible.