I see on your return that you made entries for long-term capital gains for the period 1/1/2021 to 3/31/2021, the period 1/1/2021 to 5/31/2021, and the period 1/1/2021 to 8/31/2021. I assume you saw the note that these three periods are cumulative, so that the entry for period B = the sum of the entry for period A and any additional gains in period B, and so on.
Then TurboTax plugged in the amount from Schedule D, line 15 into the last quarter. These entries would make TurboTax think that the vast majority of your gains were recognized in the fourth quarter. Was this not the case?
If not, please return to the screen entitled "Net Capital Gains" in the Other Tax Situations->Additional Tax Payments->Underpayment penalties, and enter the Long-term capital gain/loss in each period in a cumulative fashion.
Or do you think TurboTax should annualize these gains in a different way?
@greg_s
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