Template:Isda Market Quotation comp
{{{{{1}}}|Market Quotation}} and {{{{{1}}}|Loss}} were originated in the 1987 ISDA, were refined in the 1992 ISDA and then unceremoniously ditched as {{{{{1}}}|Transaction}} valuation concepts under the 2002 ISDA in favour of Close-out Amount, which is closer to {{{{{1}}}|Loss}}, but still a bit different.
Here is a comparison between the 1987 and 1992 versions of Market Quotation Quite a lot of fiddling around. Did it make much difference? At this remove, nearly forty years on, do we care?
Americans probably do.