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<< If I buy 400 shares of X at cost basis Y and then buy 600 shares later at cost basis A, sell 200 shares one month later (I know how to do this one), then the rest two months later, how do I calculate the cost basis for the second sale?

Do I enter two seperate sale entries seperating out the two cost basises, and if so, how do I account for the sale brokerage costs for the sale?


Do I enter one sale entry and add the two cost basises together?

Reporting is one line per holding period (short-term vs. long-term) sale, using "various" as the purchase date if necessary.

As far as your sale question is concerned, you can specify what shares you're selling if you do it at the time of sale. See "Specific Identification" in the FAQ for how. If you sell part of a block of stock, you allocate its basis between what you sold and what you kept, on a per-share basis.

Phil Marti
Tax Preparer
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