Questions tagged [discounting]

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9
votes
1answer
2k views

$\mathbb{P}$ vs $\mathbb{Q}$ Probabilities - Transitioning Between Measures

I'd like this question to definitively guide a practitioner to using both $\mathbb{P}$ vs $\mathbb{Q}$ probabilities in trading and research. Let's take only one fact as given: if I have a risk-...
8
votes
3answers
5k views

Why do we discount in ois and not treasuries

OIS is the 1-day non-collateralized interbank interest rate. Such a rate is not risk-free. The market trades a very useful curve that is much closer to "risk-free": the government bond curve. So the ...
6
votes
3answers
476 views

Trading desk assumes zero percent discount rate?

All the swaption and option models I have encountered at my employer's trading desks have assumed a zero percent discount rate. I have proposed using the LIBOR curve, but management responded that &...
6
votes
1answer
2k views

Why are multiple custom curves (swap) built for one desk?

Currently in a journey of learning and getting my hands a bit dirty with Interest Rate Swaps. Why there are multiple customized curves built by many even within one desk? For e.g. Short Rates desk ...
6
votes
1answer
328 views

Discount curve and payment frequency

In case of uncollateralised trades, where we use LIBOR rates for discounting, does the LIBOR tenor have to match with the payment frequency? For example, one of the swap leg pays USD floating amount ...
4
votes
1answer
3k views

Cheapest-to-deliver (CTD) discount curve

Can someone explain, in layman's terms, the mechanics (the algorithm steps) of the construction of the discount curve in the case when the CSA allows the posting party to choose a currency (from a ...
4
votes
1answer
446 views

Risk-neutral expectation equation with collateral and funding costs

I am looking at a paper by V. Piterbarg, Funding beyond discounting: collateral agreements and derivatives pricing, that you can download on the following link, in which the author adapts the Black-...
4
votes
3answers
1k views

Calculating the Discount Margin for a FRN

I am working with a programming case where there are two methods of calculating YTM / discount margin for bonds and FRNs. Both methods use an iterative approach to find a rate / spread that ...
4
votes
1answer
4k views

What exactly is the OIS Black VOL?

While poking around in Bloomberg I stumbled upon the following data set: EUR SWPT BVOL OIS for various maturities. Obviously OIS must suggest OIS-discounting but how is it related to the Black-...
4
votes
1answer
230 views

Discounted asset price is martingale in BS model

I want to verify that the discounted stock price process $\mathrm{e}^{-r(T-t)}V(S_t,t)$ is a martingale in the BS-model. Using Ito's formula and the BS-PDE I get that $$ \mathrm{d}\mathrm{e}^{-r(T-t)}...
3
votes
3answers
912 views

Two different ways of pricing that leads to two answers

This question might appear trivial to many (considering the questions on this site), but I think it reflects something fundamental that I am missing. To keep things simple, assume everyone is risk-...
3
votes
1answer
3k views

Discounting Curve in Quantlib/Python

I'm using Python 2.7.12 with the QuantLib package. I'm trying to price fixed bonds. I understand how to create a bond object. How to get the "right" discounting curve is kind of a problem. Assuming a ...
3
votes
2answers
215 views

expected change in value of a derivative in a multicurve framework

I'm reading Piterbarg paper, "Funding beyond discounting: collateral agreements and derivatives pricing." and have a question about equation $(6)$. There he says that for a derivative we ...
3
votes
2answers
277 views

NPV of Future Investment: Two Approaches?

Suppose I expect the return on my investment to follow some upward trend: $R_t = R_0 e^{\mu t}$, where $\mu > 0$. If I wish to compute the present value of these inflows, I would have $$ \int_o^\...
3
votes
2answers
185 views

Discounting for XVA

I was thinking that since XVA is on uncollaterized exposure, we should be using LIBOR discounting environment. Why don't we do that?
3
votes
1answer
89 views

Proof that we can price any derivative as the discounted value of its expected return under the risk neutral measure

I am reading a paper which tries to convey the intuition behind the Black-Scholes pricing formula. In that paper, the author states the following two things without proof, and I would like to know why ...
3
votes
2answers
218 views

Correct Discount Curve for Exchange Traded (Centrally Cleared) Products

What's the correct discount curve to use for exchange traded products? Would these be discounted at the OIS rate (because of the central clearing house)? E.g. the E-Mini S&P500 Future @ CME: I'm ...
3
votes
1answer
908 views

Bootstrap ESTER and SOFR curves with Quantlib Python

Is it possible to bootstrap the new ESTER and SOFR term structures in Quantlib? More in general, does the process work as the usual one? Given these are simple indices that are published on a daily ...
3
votes
0answers
769 views

Properties of Geometric Brownian Motion Integrated w.r.t. Time (i.e., distribution of a Yor Process)

Let $S_t$ be a process which follows a Geometric Brownian Motion: $\frac{dS_\tau}{S_\tau} = \mu \,d\tau + \sigma \,dW_\tau$ By Ito's lemma, we have: $S_T = S_t e^{(\mu-{\sigma^2 \over 2})(T-t) + \...
2
votes
1answer
142 views

If I have the present value of an amortizing bond's cashflows, how do I figure out price?

Say that I correctly compute the sum of cash flows of a given bond. How does this relate to the quoted price that most people understand? IE, based on the sum of cashflows I derive a PV of 5,000,000 ...
2
votes
2answers
755 views

What is the difference between a cleared interest rate swap and a OTC interest rate swap with collateral in theory

I understand the aspect that central clearing reduced counterparty risks. From the valuation side, am I right that cash flows for both trades will be discounted at the OIS rate? The party that holds ...
2
votes
1answer
192 views

Recommended Instruments (and sources) for Constructing Money Market Yield Curves

What instruments are the current industry recommendations for constructing money-market yield curves in some major currencies? The switch after the crisis to multi-curve methods is well documented on ...
2
votes
1answer
298 views

Dual discounted forward curve

I was wondering how to calculate the forward rates based on OIS discounting for the half year terms. I know how to do this for the full year terms -> just making sure that the two legs are equal to ...
2
votes
1answer
217 views

Discount factor

Suppose we have : $r$ - zero coupon rate, constant over time, $n$ - a number of years (an integer), $\theta$ - a fraction of a year $(\theta < 1)$ , calculated with the relevant day count ...
2
votes
2answers
246 views

Is an options implied dividends DCF model consistent with risk neutral/arbitrage-free valuation?

We're talking about how we price every financial instrument: by discounting the payoff, that is, we take future cash flows and we discount them by a proper rate which takes into account the risk of ...
2
votes
1answer
5k views

Z-Spread vs Discount Margin

I'm comparing two types of discounting: Z-Spread and Discount Margin. Reading the article by O'Kane Credit Spread Explained I found Z-Spread is used for fixed rate notes meanwhile Discount Margin, ...
2
votes
1answer
1k views

Which discount curve to use when valuing multi currency swaps

I've been looking around the internet but cannot find the exact answer to my question. Normally when valuing an IRS one uses eonia (for eur swaps) to discount the cashflows. Let's imagine I have a ...
2
votes
0answers
78 views

Why Bloomberg USD swap curve (YCSW0023 Index) changes last month?? and why put a Financial commodity future into this curve?

The Bloomberg USD swap curve (YCSW0023 Index) had changed and bloomberg put a Financial commodity future. Why changes? What the factor make this changes? Why bloomberg put into a financial commodity ...
2
votes
0answers
81 views

SOFR Discounting & Price Alignment Transition

CME Group is planning to migrate the discounting to SOFR from Effective Fed Funds Rate (EFFR). Below is the link to their article: https://www.cmegroup.com/education/articles-and-reports/sofr-price-...
2
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0answers
48 views

Calibration of stock's intrinsic value under the gordon model

Assume we have the constant growth Gordon model, for a stock paying dividend $D$,Earnings per Share $EPS$, annual growth rate $g=ROE*(1-\frac{D}{EPS})$ and discount rate $r$. Then: $IV=\frac{D*(1+g)}...
2
votes
0answers
182 views

Discount rate in IRS valuation

This might be a very basic question but I didn't find the answer in the materials I saw on Google. What is the interest rate used to compute the discounted cash flows for both the fixed and variable ...
2
votes
1answer
60 views

What is time 0 price of Libor starting t for the period $t$ to $t+\delta t$

I was asked this in an interview. The correct answer, I was told, follow from this argument Let $L_0[0,t]$ denote the time 0 price of Libor for period $0$ to $t$. Let $L_0[t,t+\delta_t]$ denote the ...
2
votes
1answer
399 views

Discount factor taking into account yield curve shape

I have always been told that the discount factor formula is just: $$ DF(T) = \frac{1}{(1+L_{t_0})^T} $$ where $L_{t_0}$ is the LIBOR rate on one period (the first one I guess) and $T$ the number of ...
2
votes
0answers
58 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/...
1
vote
2answers
6k views

What is the EUR swap curve on Bloomberg? I.e. what is the EUR equivalent of S23 curve on Bloomberg?

I am trying to understand the currency basis calculation and whether there is a difference in currency basis when quoted vs. OIS and -IBOR rates.
1
vote
1answer
191 views

Bond discounting conventions

during the preparation for my thesis, I've come across some strange discrepancies between literature and the information I've been taught. It comes down to the proper way of discounting cash-flows of ...
1
vote
3answers
269 views

Does the traditional NPV formula of a cashflow double count risk?

Consider a cash flow stream of a single payment (1 period away). Its net present value is typically presented as $$ \text{NPV} = {\text{EV}(\text{Cash Flow}) \over 1 + d} \tag{1} $$ Here $d$ is ...
1
vote
1answer
78 views

Arbitrage when discounting and forward computation is done with different curves

I notice that (equity derivatives) trades generally are priced with different forward curve and discounting curve, which clearly lead to arbitrage. Is this arbitrage value too small to be ignored? How ...
1
vote
1answer
474 views

ESTER replacement for EONIA/EURIBOR

Does anybody know what impact the replacement of EONIA with ESTER ( Euro Short TErm Rate ) will have on discounting existing or new derivatives once EONIA will be restricted as of Jan 2020? I'm ...
1
vote
1answer
684 views

Find out the effective monthly discount rate for a 10% annual discount rate

First time posting. Apologies in advance if this is not the right question for this forum. If it is, please let me know if I should reformat this in a particular way. If it isn't, would it be more ...
1
vote
1answer
669 views

Why use the risk-free rate for discounting in a risk neutral world?

I am reading Options, Futures, and other derivatives by John C. Hull. In the chapter on Binomial trees, he remarks: A risk-neutral world has two features that simplify the pricing of derivatives: ...
1
vote
1answer
287 views

Characteristics of a Discount Curve

Does the discount curve used for discounting cash flows have to be a zero coupon, annual compounding, actual by actual day basis curve? In practice, does a curve used for discounting necessarily have ...
1
vote
1answer
1k views

For IFRS9, losses should be discounted with the EIR, why is that sensible?

Within the IFRS9 framework it is stated that one needs to determine the expected losses and discount these with the effective interest rate (EIR), i.e. the contractual rate at initiation. However, I ...
1
vote
1answer
2k views

What is the proper discounting of PIK and non-compounding bullet loans?

This question pertains to two types of loans. Pay-in-kind (PIK) and bullet loans with quarterly payments. 1. PIK Loans A PIK loan is a loan where periodic interest is NOT paid, but added to the ...
1
vote
2answers
152 views

How to find OIS discounting factors from OIS swap rates. Please explain with example

Suppose I have the following OIS Swap rates: 1 year OIS Swap: 0.36% 2 year OIS Swap: 0.37% 3 year OIS Swap: 0.38% 4 year OIS Swap: 0.40% From these, how do I get the OIS Discounting factors for ...
1
vote
1answer
62 views

discounting currency swap

I need help with a currency swap problem: Remaining life: 15 months. Exchanging interest at 10% on £20 million in Sterlings for interest 6% on $30 million in Dollars. If swap were negotiated today, ...
1
vote
1answer
95 views

Discounting in multicurve environment

Given that the longest tenor for LIBOR in 12M, what rate do we use to discount a cash flow due in, say, 18 months? Some suggest that we use the 12M rates for 1 year and 2 year to interpolate, but ...
1
vote
1answer
60 views

Continuously Compounded rate less than a discretely compounded rate [closed]

I'm looking at an example in a well known book and its saying "consider an interest rate that is quoted as 10% per annum with semi annual compounding" The book puts 10% as the semi-annual rate, ...
1
vote
1answer
103 views

Macaulay's Duration with Zero Rates

The definition of Macaulay's Duration is the weighted average maturity of cash flows and is calculated as- $$D_{mac}=\frac{\sum_ttPV(C_t)}{V}$$ where $PV(C_t)$ is the present value of the cash flow ...
1
vote
2answers
138 views

Why to 2 methods to calculate bond price with semi annual return give different answers?

I am confused as 2 methods give different answers. The difference lies in the "to the power" numbers for discounting. Example: 2 year semi annual bond (4 periods), $1m annual Coupon Payment, 5% Yield ...