YIELDDISC

YIELDDISC(settlement, maturity, price, redemption [,basis])

Returns the interest rate (annual) for a discounted security (no interest payments).

settlement	The settlement date of the security.
maturity	The maturity date of the security.
price	The price per $100 face value.
redemption	The redemption value per $100 face value.
basis	(Optional) The type of day counting to use. 0 = 30/360 (default) 1 = Actual/Actual 2 = Actual/360 3 = Actual/365 4 = 30E/360

REMARKS

* The "settlement" date is the date a buyer purchases a coupon, such as a bond.
* The "maturity" date is the date when a coupon expires.
* The "redemption" value is the value of the security when it matures.
* The "redemption" value is often referred to as the par value.
* Dates must be entered as text strings with quotation marks or as serial numbers.
* If "settlement" is not an integer, it is truncated.
* If "settlement" is not a valid date, then #NUM! is returned.
* If "maturity" is not an integer, it is truncated.
* If "maturity" is not a valid date, then #NUM! is returned.
* If "price" = 0, then #NUM! is returned.
* If "redemption" = 0, then #NUM! is returned.
* If "basis" is not an integer, it is truncated.
* If "basis" < 0, then #NUM! is returned.
* If "basis" > 4, then #NUM! is returned.
* If "settlement" = "maturity", then #NUM! is returned.
* An example of a discounted security is a US Treasury bill.
* You can use the YIELD function to return the interest rate (annual) for a series of equal cash flows at regular intervals.
* You can use the YIELDMAT function to return the interest rate (annual) for a security that pays interest at maturity.
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com

	A
1	=YIELDDISC("1/07/2009", "1/07/2028", 65, 100, 0) = 2.834%
2	=YIELDDISC("1/07/2009", "1/07/2028", 65, 100, 1) = 2.834%
3	=YIELDDISC("1/07/2009", "1/07/2028", 65, 100, 2) = 2.793%
4	=YIELDDISC("1/07/2009", "1/07/2028", 65, 100, 3) = 2.832%
5	=YIELDDISC("1/07/2009", "1/07/2028", 65, 100, 4) = 2.834%

1 - What is the yield of a 20-year treasury bill issued on January 1 2008, with a settlement date of July 1 2009 with a redemption value of $65 and a price ratio of 100. The maturity date would therefore be January 1 2028 (issue date + 20 years).