P 2021-01-01 EUR 1.15 USD

2021-01-01 Test 1
    A             100 USD
    B

2021-01-01 Test 2
    A             100 EUR
    B

test -X USD --sort display_amount reg
21-Jan-01 Test 2                B                          -115 USD     -115 USD
21-Jan-01 Test 1                B                          -100 USD     -215 USD
                                A                           100 USD     -115 USD
21-Jan-01 Test 2                A                           115 USD            0
end test