2008/10/01 Sample
    Assets:Brokerage        10 AAPL
    Assets:Checking        $-200.00

P 2008/10/20 12:00:00 AAPL $30.00

; 2008/10/20 <Generated Transaction>
;     Assets:Brokerage           $100
;     Equity:Unrealized Gains

$ hledger -f- check

#test bal -V --unrealized --unrealized-gains G
#             $100.00  Assets
#             $300.00    Brokerage
#            $-200.00    Checking
#            $-100.00  G
#--------------------
#                   0
#end test
#