Coinbase remove that gain/loss section and does not care about tax filing (https://www.coinbase.com/bitcoin-taxes#gainsandlosses) they want to make another way to make money so use other third party companies to put their stupid transcations in order and charge hundreds of dollars for that simple cvs report and put them under right column that is.
2.2 Calculate gains and losses
Now that you have a comprehensive view of your activity, you’ll need to figure out whether you incurred gains or losses on each transaction. This means you’ll need to review each transaction and determine the cost basis to see if it’s a loss or a gain.
