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Key Principles

Principle

Decision / Discussion

Scope is Portfolio

  • the interface should always deliver data on the scope of a single portfolio

  • the interface delivers key figures also on portfolio level (no aggregation needed)

Benchmark Data

  • benchmark data is inherently delivered as part of the analysis (see figures)

Models & Figures

  • the risk model can be chosen / setup on Aladdin side while the reporting engine is flexible towards new models as well as the number of figures and their effects

  • aggregation of figures as with Valuation

  • decomposition of figures with effects → see CSAM Data Hub - Figures

Aggregation of instruments / segments

  • The reporting engine should be flexible to aggregate risk effects from instrument level to segment level


Interface "PortfolioRiskExPost"

Usage & contents

  • used to produce PO006, PO006C, CO001, RA001..RA003

  • Ex-post portfolio level risk figures for multiple periods.

  • The risk figures will only be delivered on a monthly basis, so calls for a reportingDate within a month will typically deliver risk figures for periods ending at the ultimo of the previous month.

Reporting business logic

  • aggregation of figures / effects

  • detection of available periods in result

  • top n, filtering, sorting

Consistency rules

The following rules should be adhered to by any response and will eventually be checked when consuming a response:

Consistency Rules
* All figures used within a risk object should be defined in the figures declaration
* All risk objects have to name a period that ends earlier than or at the reportingDate
* All end dates of risk object periods have to be the same and have to be a month's ultimo date

Path

/portfolio/riskexpost

Parameters

portfolioId

string

The id of the portfolio (or consolidation) in the data source

reportingDate

string (date)

The date, the reporing is produced for.

Example call

/portfolio/riskexpost?portfolioId=E0002&reportingDate=2019-03-31

Schema

Example

Interface "PortfolioRiskExAnte"

Usage & contents

used to produce

  • RA001, RA003

  • RA006..RA008

  • CO001 (some metrics)

Contents

  • Ex-ante portfolio level risk figures for a given date and predefined time horizons

  • This interface will include the previousely used interface PortfolioRiskDecompositions

Reporting business logic

  • aggregation of figures / effects

  • filtering, sorting

Consistency rules

The following rules should be adhered to by any response and will eventually be checked when consuming a response:

Consistency Rules
* All figures used within a risk object should be defined in the figures declaration
* All risk objects have the same referenceDate
* The referenceDate is not later than the reportingDate
* A model referenced in a risk object has to be declared under models
* Every effect used within a risk object has to be a declared effect of the referenced model
* Every effect declared within a model has to be also declared as figure
* All effects of a model having effectAggregation = sum should sum up to the value of the figure they explain

Path

/portfolio/riskexante

Parameters

portfolioId

string

The id of the portfolio (or consolidation) in the data source

reportingDate

string (date)

The date, the reporing is produced for.

Example call

/portfolio/riskexante?portfolioId=E0002&reportingDate=2019-03-31

Schema

Example


Interface "PortfolioRiskStatus"

Usage & contents

used to produce risk status gauges on cover overviews

Reporting business logic

none

Consistency rules

  • Calculation date must not be newer than reporting date

Path

/portfolio/riskstatus

Example call

/portfolio/riskstatus?portfolioId=E0002&reportingDate=2019-03-31

Parameters

  • portfolioId

  • reportingDate

Schema

Example



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