DONT PANIC, you can still if you are patient, hold what you got for another few days and wait for the bounce back, it will be fast and a brief spike in volume allowing some traders to escape. You can take this route, or As some people may be thinking well maybe I dont want to sell any of my bitcoin. Thats understandable and this is what you do, you DOLLAR COST AVERAGE you need to lower the average cost you paid for bitcoin and buy more, double down at the bottom of this bear market and capture as much profits as you can to ensure you are able to escape without losing any money.