Yes, professional traders can make money at any time. The cryptocurrency bear market has a bear market investment method, so the trader is the best job, but must bear the risk independently.
With the current state of the cryptocurrency market it is very difficult to add something to minimize your risks. Even responded to today, circumstances have arisen because of which it is impossible to fully earn. If the cryptocurrency market were healthy, then a trader would have a very good income on the difference in price.