I have yet to receive any response from Turbotax or its "experts" on this issue.
As I explained in a previous post, I understand that, prior to a correction made through an update in March of 2023, the Turbotax program for 2022 inserted erroneous values for capital losses for AMT purposes. If one filed prior to the correction, my understanding it that one must insert the requested values in the 2023 capital loss carryover worksheet to obtain correct AMT capital loss carryovers for 2023 and 2024. Leaving them blank produces incorrect carryovers. If someone who filed their 2022 return before the March update in the program unchecks the "yes" box on the "conversion" worksheet and checks "no," I strongly suspect that this will result in incorrect AMT capital loss carryovers. Checking "no" may give a proper carryover amount for someone who filed after the program correction, but I'm guessing that, if Turbotax initially checked the "yes" box as it did in my case (I was an early filer of the 2022 return), it did so because of your early filing date.
Assuming one doesn't have incentive stock option exercises or other uncommon situations that create differences between regular tax and AMT capital loss carryovers, my understanding is that the carryover amounts will be the same for regular tax and AMT. If you don't have one of these uncommon situations, I would confirm that the Turbotax program shows amounts for capital loss carryover for years 2021, 2022, and 2023 for AMT purposes that are the same as the amounts it shows for regular tax purposes for those respective years, and that the carryforward amounts to 2024 are the same for both purposes.
Also, as I mentioned in a previous post, inserting the amounts from the specified lines (7 and 15) from regular tax Schedule D of the 2021 return (if Turbotax didn't generate a separate Schedule D for AMT purposes, as it did not in my case) should result in the correct AMT capital loss carryover amount for 2023 and the carryforward to 2024.
I recently noticed that, for 2024, the Turbotax program did create a separate Schedule D for AMT purposes. It was located at the very bottom of my list of forms.
Good luck.
