UnderlyingCashSettlAmount <42054> field
FIX 5.0 SP2 EP272
The amount paid between the trade parties, seller to the buyer, for cash settlement on the cash settlement date.
If not specified this would typically be calculated as ((100 or the reference price) - reference obligation price) x floating rate payer calculation amount. Price values are all expressed as a percentage.
ISDA 2003 Term: Cash Settlement Amount.