Real ChatGPT answer · index seed3PI6I6NlmnQcompleteFinance and banking · investing and brokeragesinformational

How is the cost basis calculated and reported when you sell a portion of a fractional share purchased incrementally over several months through a mobile investing app?

ChatGPTgpt-61 query10/31/2026
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SEED QUERY
How is the cost basis calculated and reported when you sell a portion of a fractional share purchased incrementally over several months through a mobile investing app?
1 real search · 1 real-search pass
IRS Publication 550 stock basis specific identification FIFO fractional shares cost basis broker 1099-BGoogle ↗
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ChatGPT1 real searches · gpt-6
IRS Publication 550 stock basis specific identification FIFO fractional shares cost basis broker 1099-B Google ↗

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IRS Publication 550 stock basis specific identification FIFO fractional shares cost basis broker 1099-B
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