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1answer
28 views

NOK NOWA overnight day count

The NOK overnight index NOWA is defined as: Reported interest rates shall be calculated as nominal annual rates for the actual number of days in the year ahead (365 or 366). (The percentage ...
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1answer
32 views

LIBOR Quoting Conventions

I have been trying to build a NSS parameterization of LIBOR term structure, and have confused myself over how all the dates are dealt with. On https://www.theice.com/publicdocs/futures/...
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2answers
31 views

Pricing of Interest rate swap with start ex. 01/06/2015 to 03/06/2015 - 2 extra days? Change discount factor and fixed payments?

I hope you can help me. So let say we have an interest rate swap, with the following characteristic: Start in 30/06/2015. End in 02/07/2019 It has fixed payment every year, and floating every ...
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0answers
14 views

Daycount Actual/Actual AFB example

This question is about the following example in Wikipedia about time factor using the Actual/Actual AFB daycount. Assume that the $t_1=\text{28 Feb 2004}$ and $t_2=\text{29 Feb 2008}$. There are $4$...
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1answer
47 views

ACT/360 day convention in swap pricing

The floating leg of a USD swap has present value $$ PV = \sum_{i=1}^N \delta_i f_i p^d(t_i) $$ where the $\{t_i\}$ are the floating leg payment dates, $\delta_i$ is the accrual fraction between $t_{...
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0answers
38 views

Can I use these rates for ACT/360 discounting?

I have calculated forward rates like this: $r_{t_1,t_2} = \left(\frac{(1+r_2)^{d_2}}{(1+r_1)^{d_1}}\right)^{\frac{1}{d_2-d_1}} - 1 $ I want to find the discount factors for these forward, with ACT/...
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1answer
36 views

Translating dates to times

I am using Act/365 day-count convention. How do I compute the time offset between 2/28/2015 and 3/1/2016? 3/1/2017 Some ideas: Direct day count: count number of days between the dates, and divide ...
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3k views

Which day count conventions are there and where do they apply?

I am looking for a list of day count conventions. Is the list on Wikipedia complete or do you know others? Which rules of thumb are there to choose day count conventions when none is specified, ...
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1answer
565 views

Which method is implemented by Excel's YEARFRAC for ACT/ACT?

I know the algorithm used by Excel to calculate the YEARFRAC(startDate, endDate, basis) for basis=1. Excel calls the method "act/act". A Java re-implentation of Excel's algorithm can be found at ...