What is the difference between portfolio and generic transaction grouping?
The grouping and nesting of trades in portfolios, and the grouping and nesting of portfolios themselves is done to structure one’s world of trades in appropriate ways for the purpose of communication and processing. A trade might actually be in multiple such portfolios. When trades are grouped within a business transaction it typically means the business transaction will fail if it fails for one of contained trades. FpML currently does not model business events and a transactional grouping of trades should be considered when business events are revisited.
