Some specific suggestions for cleaning up: 1. The enum file should only be included by shared. Every other package sees it through shared. The link from posttrade to enum could be removed. 2. The pr-shared file is not shared with anything. I suggest the name reflects its purpose or usage. 3. “pr” is a taciturn … Continued
Relax schema constraints for Equity Derivatives to support Transaction Supplement without the need to fill out long form elements. Specifically, Swapswire demands that latestExerciseTimeType should be optional within EquityAmericanExercise complex type
methodOfAdjustment element to be made available within the EquityOptionTransactionSupplement complex type. Currently methodOfAdjustment is only available within EquityDerivativeLongFormBase complex type. This is to support interdealer trade confirmation in Europe.
Make element partyId maxOccurs unbounded to support multiple party ids within a party.
Some types were defined were FX capital X while otheres were Fx. The Architecture Specification 1.0 and 2.0 suggests using Fx lower case.
Need for Views. Rearranging the FpML schema -> using a chameleon style design, we will have a shared layer without namespace and different views subschemas with its own namespace. Use the substitution group concept to select which “view” of product would be needed for a particular message (e.g. have different substitution groups for pre-trade, confirmation, … Continued
Schema namespace URI contains a version number. This makes it hard to migrate to new versions of the spec, because XPath expressions need to bind to a URI.
Allow adjusted dates to be supplied for adjustable dates
Allow swap streams of different types in the same swap. Revise equity swap to something more generic (to better indicate support for total return swaps, asset swaps, etc.)
In the FpML 4.1 Trial Recommendation, 6.3 Credit Derivative Product Architecture/generalTerms we read (my *emphasis*): “A referenceObligation element has either a bond or a convertibleBond as one of its child elements… The instrumentId element is used to specify CUSIP/ISIN. The *optional* instrumentIdScheme is used to specify whether the id provided is a CUSIP or an … Continued