The rule in plain words
The gross notional value of total residual risk add-on
In column "Gross notional value" (0010) of Market risk: ASA residual risk add on (AS9 RRAO) (OF91.09.01.01): "Total Residual Risk Add-on (RRAO)" (row 0010) must equal the sum of "Exotic underlyings" (row 0020), "Gap risk" (row 0030), "Correlation risk" (row 0040) and "Behavioural risk" (row 0050).
What to do if your return fails it
- 01Open the table below and find the cells the rule reads.
- 02Add up the parts in your return and compare the result with the total.
- 03If they differ, a part is missing, a value sits in the wrong cell, or the total is out of date.
- 04The Bank of England allows a small rounding difference, worked out from the decimals each value is reported with.
- 05It runs only when your filing indicators mark OF91.09.01 as reported.
- 06This is a blocking check. A return that fails it is normally rejected, so fix it before you submit.
The cells it reads
Market risk: ASA residual risk add on (AS9 RRAO) (OF91.09.01.01)
Rows
- R0010Total Residual Risk Add-on (RRAO)
- R0020Exotic underlyings
- R0030Gap risk
- R0040Correlation risk
- R0050Behavioural risk
Column
- C0010Gross notional value
Which returns it applies to
Line4 Check runs it on the own funds (PRA001) return on Bank of England banking taxonomy 4.1.1. The Bank of England applies it to own funds (PRA001) returns, as a blocking check.
The Bank’s own words and formula
The first paragraph of the plain words above is the Bank of England’s own, word for word, from its list of validations. The second spells out its formula, with each cell named from its templates.
Show the formulaShowHide
The Bank of England's formula. Cells are written as {t: table, r: row, c: column}.
{t: OF91.09.01.01, r: 0010, c: 0010} = sum({t: OF91.09.01.01, r: 0020; 0030; 0040; 0050, c: 0010})Other rules on Market risk: ASA residual risk add on (AS9 RRAO) (OF91.09.01.01)
- Market risk: ASA residual risk add on (AS9 RRAO): the total own funds requirements for residual risk (boe_b0714)Blocking
- Market risk: ASA residual risk add on (AS9 RRAO): own funds requirement for other residual underlying (boe_b0550)Blocking
- Market risk: ASA residual risk add on (AS9 RRAO): own funds requirement for Exotic underlying (boe_b0549)Blocking
- Market risk: ASA residual risk add on (AS9 RRAO): deriving total risk exposure from own funds requirements (boe_b0547)Blocking
Every PRA banking rule on OF91.09.01.01
Checks like this one, run at the point of submission, are the first step to real-time supervision. Line4 builds SupTech software for financial regulators that runs checks like these as each return arrives.
