Questions tagged [risk-free]

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36 views

SOFR - calculation of the volume-weighted median and percentile

Federal Reserve Bank of New York web page provides some information on the computation of the SOFR rate. Part 1 According to this webpage, the SOFR is calculated as the volume-weighted median: "...
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2answers
93 views

Which risk-free rate to use for the UK?

I am working on an assignment to calculate Beta in the CAPM Model through empirical data on the british market and am still unsure which risk-free rate to use. Since I have a 1 week investment horizon,...
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1answer
61 views

Physical Probability Measure vs. Risk Free Probability Measure (State Contigent Claims)

currently I am working on a problem regarding state contingent claims. I have 5 securities (one of the security is a risk-free security) and in the next period, these securities will end up in one of ...
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1answer
37 views

how to use SOFR as risk free rate in portfolio construction

Good afternoof to everyone. I would like to create a portfolio following a multifactorial approach (I have been writing my master's thesis). As I would like to calculate a series of ratios (e.g. ...
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0answers
39 views

How to link market risk and the transition to the new risk-free rates?

I'm a market risk analyst intern and I've the opportunity to do a project related to it. So I would like to move towards SOFR and €ster transitions, I have seen quite a lot of documentation on this ...
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2answers
96 views

Portfolio selection with no risk-free asset

Can someone explain why some papers on portfolio construction assume that there is no risk-free asset? For example, this paper: Machine Learning and Portfolio Optimization. What could be the reason(s) ...
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2answers
187 views

What is the distribution of the risk-free asset?

If the risk-free asset has a volatility of $0$, therefore making its mean equal to the risk-free rate, $r_f$, does this mean that it has no probability distribution, and therefore there is no reason ...
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36 views

Using EOINA, €STR for option valuation

for an assignment I have to value options using an OIS rate using the Black-Scholes model. Since my options are traded in Germany I was looking at the EONIA or newly €STR. (Since Hull 2012 recommends ...
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31 views

Extreme and rare events affecting the market

There are extreme events affecting the high-probability [short-term] market such as lowering interest rates that rocket stock prices, even though such events are rare and the market's response can be ...
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29 views

USD MultiCurve Calibration - IOER vs. OIS/Fed Funds

I'm building out a calibrated USD MultiCurve set, focusing on Fed Funds & 3M LIBOR for the purpose of trading in Fed Funds Futures and Eurodollar Futures (for now ...). I had always assumed that ...
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2answers
168 views

What is the standard risk free rate used to discount options?

Apologies if this has been asked before - but I wanted to clarify what the market standard was for discounting options i.e. what is the "risk free" rate actually used by quants and traders? I haven't ...
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1answer
76 views

What should I use as a proxy for the risk-free rate? And how do I transform the yearly risk-free rate to the weekly risk-free rate?

In order to calculate the Sharpe Ratio, I need the risk-free rate. What is the most convenient proxy for the risk-free rate? And how do I transform the yearly risk free rate to a weekly risk free rate?...
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2answers
644 views

Overnight Index Swaps (OIS) vs. Fed Funds Futures

When calculating the probability of a certain target rate specified by the Fed at an FOMC release, I’ve generally read that it is typical to use Fed Funds Futures as proxies. I can find data on this ...
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4answers
270 views

T-bond of what maturity to use as risk-free rate when calculating excess return?

I am comparing different asset classes in order to estimate the expected return and the risk of a portfolio. I have historical data (adjusted close price) for my asset classes for the last 5 years ...
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3answers
416 views

Is EONIA swap rate really credit risk free?

I have a question linked to the EURIBOR – EONIA spread (or OIS LIBOR spread). I understand that the EURIBOR - EONIA spread is a credit risk indicator of the interbank market. There is something I ...
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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 ...
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4answers
772 views

Which rate to use as a risk free rate in emerging markets?

By looking at Fama and Frenchs global Portfolios, they just use the USD-RF rate as the risk free rate, because they converted their Returns to US-Dollar. Im currently estimating Strategy Returns in ...
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1answer
667 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: ...
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143 views

How to find the tangency portfolio using quadprog in R with different risk free rates

I am trying to find the optimal tangency portfolio for the efficient frontier (calculated using qp.solver in quadprog) but subject to different risk-free rates. Demos for quadprog in R show that to ...
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1answer
1k views

Which proxy is the best to calculate daily risk free rate for a capital asset pricing model?

I need to get daily risk free rate to measure my capital asset pricing model. However, I am still confused on which proxy to use for that (my sample comprises German stocks). Some empirical studies ...
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2answers
170 views

if the​ risk-free interest rate​ increases, and nothing else changes, is the market portfolio still efficient?

I think the response is no but I don't know why If so, Stocks with betas greater than one will be buying opportunities and stocks with betas less than one will be selling opportunities because I can ...
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2answers
250 views

Why we can't lower a volatility of a portfolio (without changing expected return) by substituting a zero beta stock with a risk free asset?

part of the answer is that a zero-beta stock must be negatively correlated with other stocks in the portfolio. So having a zero beta stock can decrease the volatility. Does that mean that the ...
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4answers
463 views

Risk aversion and risk-free rates

New to finance. When I read textbook like Financial Economics by Bodie, I encountered the following idea, namely, higher risk aversion is associated with higher risk premium and lower risk-free rate. ...
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2answers
165 views

CAPM: Bond index as proxy for Rf

Is it possible to use a bond index as a proxy for Rf in CAPM? Please let me know what is the issue here.
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2answers
89 views

Why can a deterministic portfolio only grow at risk free rate

In black scholes derivation we assume that portfolio grows at risk free rate because the process is deterministic, my question is why is it riskfree rate? If i have information about some event in the ...
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1answer
76 views

What is considered the risk free rate? [closed]

I see some place reference the S&P 500 index (SPY) as the risk-free rate and other place reference the 10-year Treasury yield as the risk-free rate. Which one is the correct one?
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2answers
935 views

How does a Delta Hedged portfolio yield the Risk-free?

Here I'm considering the simple case of a dealer writing call options on a stock and hedging the short position with a "textbook" Delta Hedge, i.e. goes long on $N_c \times Delta$ stocks (where $N_c$ ...
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1answer
315 views

option call question

i have a question regarding a call option exercise i cant get my head around The price of a stock is 100, the continuously compounded risk free rate is 5%. The strike price of an european call option ...
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1answer
46 views

How to work out bond price given other bond prices?

I'm stuck on the following problem from a financial maths course, and was wondering whether anybody would be able to help me. I don't really know where to begin. The following risk free bonds are ...
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1answer
140 views

Calculating the Risk Free Rate [closed]

I have an assignment and I have to calculate the risk-free rate with the following data: Stock A: E(R) = 10% ; Standard Deviation = 5%. Stock B: E(R) = 20% ; Standard Deviation = 10%. I also ...
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1answer
116 views

How to correctly use SharpeRatio.annualized function with daily returns and proxy for daily risk free rate

I am not sure if am correctly using SharpeRatio.annualized function. I am passing following parameters (dailyRet, dailyRF, scale = 252), where dailyRet is an XTS type for daily returns, dailyRF is an ...
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0answers
505 views

daily risk-free rate proxy

3-month or 1-month Treasury bill yields are typically used as proxies for the risk-free rate. However, it is often the case that - especially for developing economies - that data is only available at ...
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2answers
3k views

Drift rate vs. Riskless rate in the Black-Scholes model

I'm teaching an applied math class this summer and I want to take a short detour into finance (not my specialty at all); specifically the Black-Scholes model of stock movements. I want my students to ...
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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 ...
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2answers
1k views

How to determine the risk free rate for the calculation of Beta

I want to calculate the beta of a computer vendor using return data from 31st Jan 2008 to 31 Jan 2013 (period of five years) against the return of S&P500. I will be regressing the excess return ...
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1answer
688 views

Why must the risk free rate be free from risk in risk neutral valuation?

I am reading through documentation related to Funding Valuation Adjustments (FVA) which discuss risk free rate and funding matters and the following question came to my mind: in risk neutral valuation ...
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2answers
830 views

Sharpe Ratio, risk free rate [closed]

when comparing the Sharpe Ratio (SR) of two different funds, does it make a difference, whether I use excess returs (returns - risk free rate) or returns (without dedcuting the risk free rate, ...
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0answers
174 views

Portfolio with several risky assets and one risk-free

Suppose we have $N$ risky assets $r_1$, $r_2$, ... , $r_N$ with a covariance matrix C. If we want to build a portfolio $\omega = (\omega_1, \ldots, \omega_N)^t$ (I loosely denote the portfolio with ...
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3answers
2k views

Is there any public data to get OIS for differal time (1d, 1W, 1M, …, 10Y)?

I want to get data of Overnight Index Swap, also known as OIS rate, there is any public why to get this always from yesterday? For example, I want to get EFFR(Effective Federal Funds Rate), I can get ...
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2answers
6k views

how to calculate daily risk free rate using 13 week treasury bill

I want to calculate excess return for AAPL plus the S&P 500. I have computed monthly and daily logarithmic returns for every stock and for the market, I now need to calculate the risk free ...
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6answers
1k views

What is the risk-free rate of a precious metal, e.g. gold?

The risk-free rate of a x-currency denominated instrument can be determined from treasury bills, interbank borrowing rates (e.g. LIBOR), overnight index rates or interest rate swaps. What instrument ...
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1answer
71 views

What is the risk-free asset?

We have $dB_t = rB_tdt$. We are told that this corresponds to a "bank"..... how? When I insert money into a bank, how does this correspond to buying an asset for the price $B_t$? It would make more ...
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1answer
63 views

What does equilibrium return on 90-day Treasury Bills mean?

I have been reading NZ Superfund's 2015 Ref Portfolio Review (here) and came across this notion: Our estimate of the equilibrium return on 90-day Treasury Bills is 5%. And this is under the column ...
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1answer
2k views

Risk-free: why LIBOR pre-crisis and OIS now

Quick question as a follow-up to this post: why was LIBOR used instead of OIS pre-2007 for the risk-free rate proxy? Please correct me if I am getting this mixed up, but from what I've seen, it ...
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1answer
169 views

Discussion about negative interest rate

Now I'm updating typical equity premium of CAPM and Fama French 3 factors. As you know, some of interest rates are already in negative. To calculate market factors, not so hard to apply them as risk ...
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0answers
119 views

Relation between mean and variance of a portfolio in modern portfolio theory:

I hope that this is the right place to ask my question! Let a market with $N\ge1$ risky assets and denote by $(R_i,i=1,\cdots, N)$ their returns and $R$ the vector of these $N$ returns. In addition, ...
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1answer
537 views

Valuing derivatives under stochastic interest rates

I would like to price a European option with maturity equals to 5 years. To do this, I'm using the Black-Scholes model with stochastic interest rates. Suppose I choose the CIR model for the risk-...
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1answer
239 views

Why is the Risk Free Rate 1 over Contingent Claim Prices?

Reading Asset Pricing by John Cochrane (2005), in his second chapter he defines the risk free rate as: Rf = 1 / sum [pc(s)] Where pc(s) are state contingent claims, where s is the state of nature ...
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1answer
2k views

Calculate excess returns for Sharpe Ratio with today's or past risk free rate of return?

I am struggling with the calculation of the Sharpe ratio. I am wondering whether to calculate the daily excess returns with today's risk free rate of return or the risk free rates corresponding to the ...
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2answers
351 views

Why is a risk-free portfolio desirable?

I am in the process of creating a program that generates status-quo variance-free portfolio (at least theoretically), and my question is pretty fundamental, which may just mean dumb. I am sorry if ...