There is a wide range of historical data that can be seen and exported.
For historical values:
- Go to Graph my portfolio and click on historical portfolio values.
- Go to Portfolio Summary and either export the entirety of your data from the drop down menu (Account Balances, Transactions, Open positions) or simply change the day you wish to verify.
- You can visit the same as above by exporting account details and selecting transaction
- Go to Transaction history in the My portfolio menu bar. From there you can either change the date range or hit the excel export icon in the top right corner.