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REDDIT

CSV for Yahoo Finance. How to mark "sale"?

D
Jan 2, 2026 · 10:34

Hello, when you import your CSV file into Yahoo Finance, how do you mark sales in the file? When I enter a negative number of shares, Yahoo Finance considers it a "Short Sell" rather than a "SELL."

My CSV format is as follows:

Symbol,Trade Date,Purchase Price,Quantity,Comment

AAPL,20210819,120.44,-40,bleh