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Convexity.

Syntax

Arguments

sd
Settlement date. Enter as serial date number or date string. sd must be earlier than or equal to md.
md
Maturity date. Enter as serial date number or date string.
rv
Redemption (par, face) value.
cpn
Coupon rate. Enter as a decimal fraction.
yld
Yield. Enter as a decimal fraction.
per
Coupons per year. An integer. Default = 2.
basis
Day-count basis: 0 = actual/actual (default), 1 = 30/360,
2 = actual/360, 3 = actual/365.

Description

[pc, yc] = bondconv(sd, md, rv, cpn, yld, per, basis) returns the convexity for a security in periods pc and years yc.

Example

Given this data for a security:

Settlement date01-Dec-1994
Maturity date01-Jan-2000
Par value$100.00
Coupon rate5%
Yield4.34%
Coupons per year2 (semi-annual)
Basisactual/actual

Find the convexity:

See Also

bonddur, cfconv, cfdur, datenum

Reference

Mayle, Standard Securities Calculation Methods, Volumes I-II, 3rd edition. Formulas 8, 9.



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