Bitcoin reached its peak at around $68,000 but crashed all the way to $32,500.
Since Bitcoin price is purely derived from supply and demand, buyers and sellers have a big role in future BTC prices.
Those adjustments usually bring back prices towards the average uptrend lines or support areas.
The recent crash that brought Bitcoin prices from $48,000 to $39,000 was simply a retracement back towards the average uptrend line.
This is of course assuming that when you place a buy order, you also place a stop-loss order as well.