Does pionex also have wallet once you open an account？Can you exchange btc coin into fiat currency on pionex？
There are many videos in the youtube that shared their experience in using grid trading bot. This is one of the videos from Coffee n Crypto channel, you can check out how the bot works and how to set it up : https://youtu.be/oU7IrcnW1CE
Yes, every account will have their own wallet address to deposit tokens. But unfortunately you cannot trades btc into fiat in pionex for now. The best you can get is trade BTC into stable coins like USDT , HUSD, BUSD and get the dollar value with it.