Imagine a buyer saying: I have wanted some coins for some time, I have had difficulty finding them, I have lots of fiat and I die to get some. Price will be quite high.
Imagine a seller saying: I bought too many, my creditors are after me and I have four hungry kids at home. I have to get rid of some coins. The price will be quite low.
Liquidity commands a premium. That premium was destroyed in China. When the premium went away btc reverted to its fundamental value -- well, it overshot slightly to the down side. The question now is when will the overshoot end.