Answer
In order to ensure the robustness of the grid bot, it’ll keep some idle funds and grid profit frozen, and use it when the super volatile market coming.
The profit is not enough yet to be released and keep running. If you want to take profit, stop the bot and sell the remaining tokens to get the total profit
Calculation for releasable profit
https://pionex.zendesk.com/hc/en-us/articles/360048167594-How-is-Releasable-profit-calculated