Default categories for misc exp and misc inc in investment registers?

swensen

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Hi - I was wondering if there is a way to automatically categorize (or add a default category) for misc expenses or misc income transactions in the investment register?

When I download my data from Interactive Brokers, since I am investing in futures contracts (rather than ETFs/mutual funds/stocks), it shows the loss or gain each day as a misc inc or misc exp transactions.

I then need to assign a category I created ("FutureGainLoss") to them. I select all of them to assign category but am wondering if there is a way to have this happen automatically.