I am always buying and spending. The bitcoins for the dishwasher will soon be replaced.
Anyway here is how you call out a troll.
Wana bet?
Since you know the future you will have a big advantage. You say that there will be a "huge dump" back to "$180". So let's bet $20 that by next week it will have touched $180? If it does not then you pay me $20. I don't know what will happen, you could win.
Anyone want to do escrow?
If you so want to bet on things, find yourself a casino.
Here it's bitcoin speculation forum, where people talk about obvious fake recovers and bulltraps and others.