The pricing methods for instruments that generate cash flows in any application of SAS Risk Management for Banking and in SAS Market Risk Management for Insurance assume continuously compounded interest. This is inappropriate for such instruments and therefore resulting valuations are incorrect. Correct instrument valuations should use simple interest calculations.
As an example of the difference, consider the future value (FV) of a principal (P) at rate (r) and term (y).
Assuming annual simple interest:
Assuming continuously compounded interest:
For information about an available fix for this issue, contact SAS Technical Support. After application of the fix, the pricing methods in SAS Risk Management for Banking and in SAS Market Risk Management for Insurance perform simple interest calculations. Furthermore, they expect that annual discrete interest rates are provided via the input data columns listed in the following tables.
Column Name | Table |
---|---|
BASE_CONTRACT_RT | CASHFLOW_ACCOUNT, CASHFLOW_INSTRUMENT, CONVERTIBLE_BOND_INSTRUMENT, SWAP_INSTRUMENT |
FLOAT_SPREAD_RT | CASHFLOW_ACCOUNT, CASHFLOW_FRA, CASHFLOW_INSTRUMENT, CONVERTIBLE_BOND_INSTRUMENT, SWAP_INSTRUMENT |
CAP_RT | CASHFLOW_ACCOUNT, CASHFLOW_INSTRUMENT |
FLOOR_RT | CASHFLOW_ACCOUNT, CASHFLOW_INSTRUMENT |
EXPENSE_VAL | EXPENSE_ALLOCATION if EXPENSE_VAL_TYPE_CD = "RATE" |
FTP_BASE_RT | CASHFLOW_ACCOUNT, CASHFLOW_INSTRUMENT, CONVERTIBLE_BOND_INSTRUMENT |
FIXED_MONTHLY_PREPAYMENT_RT | CASHFLOW_ACCOUNT |
REPO_RT | REPO_INSTRUMENT |
YIELD_RT | CASHFLOW_INSTRUMENT |
Column Name | Table | Conditions |
---|---|---|
ASK_RT, BID_RT, MID_RT | QUOTE_IR | If RISK_FACTOR_ID is:
|
DATA_VALUE_AMT | QUOTE_DATA | If RISK_FACTOR_ID is:
|
Product Family | Product | System | Product Release | SAS Release | ||
Reported | Fixed* | Reported | Fixed* | |||
SAS System | SAS Risk Management for Banking | Microsoft® Windows® for x64 | 2.1 | 3.11 | 9.3 TS1M0 | |
Microsoft Windows Server 2003 Datacenter Edition | 2.1 | 3.11 | 9.3 TS1M0 | |||
Microsoft Windows Server 2003 Enterprise Edition | 2.1 | 3.11 | 9.3 TS1M0 | |||
Microsoft Windows Server 2003 Standard Edition | 2.1 | 3.11 | 9.3 TS1M0 | |||
Microsoft Windows Server 2003 for x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Microsoft Windows Server 2008 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Microsoft Windows Server 2008 for x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Microsoft Windows XP Professional | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Enterprise 32 bit | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Enterprise x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Home Premium 32 bit | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Home Premium x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Professional 32 bit | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Professional x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Ultimate 32 bit | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows 7 Ultimate x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows Vista | 2.1 | 3.11 | 9.3 TS1M0 | |||
Windows Vista for x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
64-bit Enabled AIX | 2.1 | 3.11 | 9.3 TS1M0 | |||
64-bit Enabled HP-UX | 2.1 | 3.11 | 9.3 TS1M0 | |||
64-bit Enabled Solaris | 2.1 | 3.11 | 9.3 TS1M0 | |||
HP-UX IPF | 2.1 | 3.11 | 9.3 TS1M0 | |||
Linux | 2.1 | 3.11 | 9.3 TS1M0 | |||
Linux for x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
Solaris for x64 | 2.1 | 3.11 | 9.3 TS1M0 | |||
SAS System | SAS Risk Management for Insurance | Microsoft® Windows® for x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |
Microsoft Windows Server 2003 Datacenter Edition | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Microsoft Windows Server 2003 Enterprise Edition | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Microsoft Windows Server 2003 Standard Edition | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Microsoft Windows Server 2003 for x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Microsoft Windows Server 2008 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Microsoft Windows Server 2008 for x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Microsoft Windows XP Professional | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Enterprise 32 bit | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Enterprise x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Home Premium 32 bit | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Home Premium x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Professional 32 bit | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Professional x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Ultimate 32 bit | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows 7 Ultimate x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows Vista | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Windows Vista for x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
64-bit Enabled AIX | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
64-bit Enabled HP-UX | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
64-bit Enabled Solaris | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
HP-UX IPF | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Linux | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Linux for x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 | |||
Solaris for x64 | 1.2 | 2.1_M1 | 9.2 TS2M3 |
Type: | Problem Note |
Priority: | high |
Date Modified: | 2012-02-20 15:07:44 |
Date Created: | 2012-01-30 13:32:19 |