This could be interesting dynamic to watch. If someones wants to dump the coin after the last airdrop and he's convinced that others will do the same, the reasonable thing to do is to dump before the last airdrop. But then, he won't receive the last airdrop, so there's money lost right there.
Which could lead to a chain reaction: One who thinks so might dump after the 38th round, one after the 37th,... So it could be possible that many users quit before and many basically take the risk and hold to the end. That would lead to the situation that not a super-massive dump at the end would occur, but (just like now) always some will dump. The price would not completely go to the ground which would be good... for everybody! Those who hold to the end, those who jump in late and for that keep to the end and for those who dump their coins to a (in their eyes) fair price on the way.
But at the end of the day all we are saying right now is just speculation. We will have to wait and whitness by ourselves what will happen!