Difference between revisions of "Documentation/How Tos/Calc: DISC function"
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| − | __NOTOC__ | + | {{DISPLAYTITLE: DISC function}} |
| + | {{Documentation/CalcFunc FinancialTOC | ||
| + | |ShowPrevNext=block | ||
| + | |PrevPage=Documentation/How_Tos/Calc:_ACCRINTM_function | ||
| + | |NextPage=Documentation/How_Tos/Calc:_DURATION_function | ||
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== DISC == | == DISC == | ||
| − | Returns the discount rate of a | + | Returns the discount rate of a security. |
| + | |||
| + | This function is only available if the '''Analysis AddIn''' is installed. | ||
=== Syntax: === | === Syntax: === | ||
<tt>'''DISC(settlementdate; maturitydate; price; redemptionvalue; basis)'''</tt> | <tt>'''DISC(settlementdate; maturitydate; price; redemptionvalue; basis)'''</tt> | ||
| − | : <tt>'''settlementdate'''</tt>: the settlement (purchase) date of the | + | : <tt>'''settlementdate'''</tt>: the settlement (purchase) date of the security. |
| − | : <tt>'''maturitydate'''</tt>: the maturity (redemption) date of the | + | : <tt>'''maturitydate'''</tt>: the maturity (redemption) date of the security. |
| − | : <tt>'''price'''</tt>: the price of the | + | : <tt>'''price'''</tt>: the price of the security. |
| − | : <tt>'''redemptionvalue'''</tt>: the redemption value of the | + | : <tt>'''redemptionvalue'''</tt>: the redemption value of the security. |
: <tt>'''basis'''</tt>: is the calendar system to use. Defaults to <tt>'''0'''</tt> if omitted. | : <tt>'''basis'''</tt>: is the calendar system to use. Defaults to <tt>'''0'''</tt> if omitted. | ||
:: 0 - US method (NASD), 12 months of 30 days each | :: 0 - US method (NASD), 12 months of 30 days each | ||
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=== Example: === | === Example: === | ||
| − | <tt>'''DISC("2007-12-21"; "2008-02-15"; | + | <tt>'''DISC("2007-12-21"; "2008-02-15"; 98.9; 100; 1)'''</tt> |
: returns approximately <tt>'''0.072'''</tt>, a discount rate of around 7.2%. | : returns approximately <tt>'''0.072'''</tt>, a discount rate of around 7.2%. | ||
| − | === | + | === Issues: === |
| − | + | * Calc follows Excel's apparent use of <tt>'''YEARFRAC'''</tt> in calculating <tt>'''DISC'''</tt>. Both Excel and Calc calculate <tt>'''YEARFRAC'''</tt> incorrectly in certain circumstances, and these (small) errors are propagated to <tt>'''DISC'''</tt>. | |
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| − | [[Documentation/How_Tos/Calc: | + | {{SeeAlso|EN| |
| + | * [[Documentation/How_Tos/Calc: PRICE function|PRICE]] | ||
| + | * [[Documentation/How_Tos/Calc: PRICEDISC function|PRICEDISC]] | ||
| + | * [[Documentation/How_Tos/Calc: PRICEMAT function|PRICEMAT]] | ||
| + | * [[Documentation/How_Tos/Calc: YIELD function|YIELD]] | ||
| + | * [[Documentation/How_Tos/Calc: YIELDDISC function|YIELDDISC]] | ||
| + | * [[Documentation/How_Tos/Calc: YIELDMAT function|YIELDMAT]] | ||
| − | [[Documentation/How_Tos/Calc: | + | * [[Documentation/How_Tos/Calc: YEARFRAC function|YEARFRAC]] |
| − | + | * [[Documentation/How_Tos/Calc: Date & Time functions#Financial date systems|Financial date systems]] | |
| − | * Calc | + | |
| + | * [[Documentation/How_Tos/Calc: Financial functions|Financial functions]] | ||
| + | |||
| + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] | ||
| + | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | ||
| + | [[Category: Documentation/Reference/Calc/Financial functions]] | ||
Latest revision as of 10:49, 31 January 2024
Depreciation
Payment Streams, Annuities, Loans
Securities
Coupons
Miscellaneous
DISC
Returns the discount rate of a security.
This function is only available if the Analysis AddIn is installed.
Syntax:
DISC(settlementdate; maturitydate; price; redemptionvalue; basis)
- settlementdate: the settlement (purchase) date of the security.
- maturitydate: the maturity (redemption) date of the security.
- price: the price of the security.
- redemptionvalue: the redemption value of the security.
- basis: is the calendar system to use. Defaults to 0 if omitted.
- 0 - US method (NASD), 12 months of 30 days each
- 1 - Actual number of days in months, actual number of days in year
- 2 - Actual number of days in month, year has 360 days
- 3 - Actual number of days in month, year has 365 days
- 4 - European method, 12 months of 30 days each
- DISC calculates the discount rate using this formula:
- (redemptionvalue - price) / (redemptionvalue * YEARFRAC(settlementdate; maturitydate; basis))
Example:
DISC("2007-12-21"; "2008-02-15"; 98.9; 100; 1)
- returns approximately 0.072, a discount rate of around 7.2%.
Issues:
- Calc follows Excel's apparent use of YEARFRAC in calculating DISC. Both Excel and Calc calculate YEARFRAC incorrectly in certain circumstances, and these (small) errors are propagated to DISC.
See Also
