; This should fail, can't convert € to $
2019-01-01 Investing in Snake Oil
  assets:cash  -$100
  investment:snake oil

2019-01-02 Buyers remorse
  assets:cash  90€
  investment:snake oil

2019-02-28 Recording the growth of Snake Oil
  investment:snake oil  
  equity:unrealized gains  -$0.25

2019-06-30 Recording the growth of Snake Oil
  investment:snake oil  
  equity:unrealized gains  -$0.25

2019-09-30 Recording the growth of Snake Oil
  investment:snake oil  
  equity:unrealized gains  -$0.25

2019-12-30 Fear of missing out
  assets:cash  -$90
  investment:snake oil

2019-12-31 Recording the growth of Snake Oil
  investment:snake oil
  equity:unrealized gains  -$0.25

2020-01-01 Start the new year with a new investment
  assets:cash  -$100
  investment:snake oil