Bond duration closed-form formula
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Bond duration
Bond duration
In finance, the duration of a financial asset that consists of fixed cash flows, for example a bond, is the weighted average of the times until those fixed cash flows are received....

 closed-form formula:




C = coupon payment per period (half-year)

i = discount rate per period (half-year)

a = fraction of a period remaining until next coupon payment

m = number of coupon dates until maturity

Look up Bond convexity closed-form formula
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