My portfolio performance page is showing a realized loss for a coin I haven’t sold. The full data set does not show any sales for the coin either.
Let me know if the following talks about the issue you are having:
Check the solution in this post: Portfolio Value graph incorrect
Also, can you send me a screenshot of your missing currencies under the Review tab?
Here is an article if prefer to read over watching that video. Calculated and Actual Balance on the Accointing.com Platform
Also keep in mind that Accointing takes the prices from CoinMarketCap, not from the exchanges themselves. Getting the prices from the exchanges themselves would take a ton of time and energy and may be possible in the future, but not at this time.