4
votes
1answer
136 views

Simulating state space model with AR(1) dynamics

I asked a question similar to this previously: https://dsp.stackexchange.com/questions/16341/simulating-a-state-space-model However I think I have a better handle on it now and want to re-ask it: I ...
0
votes
1answer
64 views

Sample size and historical correlation matrices

I was wondering whether any literatures existed on how to properly estimate correlation matrices from historical data. Obviously the entire procedures allows a lot of leeway. The frequency of ...
3
votes
1answer
76 views

Properties of a Symmetric Copula

I am working with the following copula, and have a few questions about it: $C(x,y) = xy + \theta (1-x)(1-y)xy$ Here $\theta \in [-1,1]$ and $x,y \in [0,1]$ First, I am trying to show this copula is ...
1
vote
1answer
56 views

Regression of TAQ half-hourly stock volume data against news volume

I am planning to run regression of half-hourly stock volume against the half-hourly news volume for that particular stock. I am looking at 2 years of data for my analysis. However, I am stuck thinking ...
1
vote
3answers
165 views

Hedge fund database with daily data

I am looking for a hedge fund database that provides returns daily. Is there any data provider that gives daily data?
0
votes
1answer
105 views

What is the Rho of an option on a futures contract priced using the Black 76 model?

I wanted to quickly confirm some simple calculations for the Black 76 greeks and was making use of the formulas on this website: http://riskencyclopedia.com/articles/black_1976/ I have an issue with ...
3
votes
1answer
57 views

meaning of discount term in FRA value

Consider a forward rate agreement on LIBOR (say), which starts 2 months from now, expires after 3 months and has strike $K$, and is based on $3M$ LIBOR -- $FRA_{2\times 5}$. Now the present value of ...
0
votes
1answer
60 views

Best performing stocks in given year

Is there a function in Bloomberg that allows the user to search the best performing stocks for a given year, say 2011, in any given stock exchange? For example, I want to see the best performing ...
0
votes
0answers
44 views

Is it possible to graph the option price with respect to the greeks

Is it possible to graph a European option's price as a function of say, its delta? I've been wondering this since, for example, for a call, the option price is given by $$Se^{-q*t}\Phi (d_1) - ...
1
vote
3answers
118 views

CDS Spreads and Equity Volatility

Why does CDS spreads track the implied volatility on equities? What is the fundamental relationship that would keep the two inline from deviating too far from each other? My speculation: Could it be ...
2
votes
0answers
46 views

Tick Data Poisson Process

I am trying to generate a custom tick index using two indices (Let's say australian index ASX 200 and Japenese Index NKY). Japan index ticks every 10 seconds...and australia ticks every 30/35 seconds. ...
4
votes
0answers
98 views

Calculating volatility of inhomogeneous time series

I am reading an article by Zumbach and Müller whose name is Operators on Inhomogeneous Time Series. This is interesting in general, but my main goal is to learn a good and efficient method to ...
1
vote
0answers
27 views

What is the main point in the Forward contracts definition?

In Islamic Finance there is a contract called "Salaf" or "Salam" which is similar to Forwards except in time of payment which happens in the entering contract day (exactly unlike the Forwards). Some ...
0
votes
2answers
64 views

What does it mean if $\beta$ is insignificant in the CAPM model?

What can we say about an asset which $\beta$ calculated using the CAPM model (regressing the excess returns of the stock vs excess returns of the market) is insignificant?
2
votes
2answers
122 views

Why do some stock options have expiration dates for a given month, while others don't?

Take two stocks, WWE and XPO, both traded on NYSE. Today, May 28, 2014, XPO has options expiring August 2014... ...while WWE doesn't: Why is that? From my experience, the missing expiration ...
3
votes
2answers
417 views

Successfull applications of Chaos Theory in Quant Finance

Do successful applications of chaos theory to quant finance exist ? While still in the university I remember some people mentioning how chaos theory and fractals could be applied in a finance ...
1
vote
3answers
121 views

Is there any other way to measure option pricing model performance than proximity to market prices?

Short version Why do we take market prices as the prices to be estimated and predicted? The common answer is efficient markets hypothesis as in "Market agents do their best effort given their ...
3
votes
1answer
182 views

Documentation of the ISDA CDS standard model

I have to validate the use of the ISDA CDS standard model. Don't understand me wrong - I am sure that the ISDA model is "good" I just need to know what it is in detail. I can download an ...
0
votes
0answers
18 views

A model of macroeconomic phase

I have been pointed towards econometric models of the state, or phase, of the general economy. What I mean more specifically is that we can think of the economy as being ruled by a few models or data ...
1
vote
1answer
98 views

Volatility of Option

I hope I'm asking this at the right place. This pertains to actuarial exam MFE/3F on Financial Economics. If $\sigma$ is "volatility" and $\Omega$ the elasticity of the stock, one formula that is ...
2
votes
1answer
84 views

Introducing credit risk to an already implemented interest rate model

Do any standard/generic approaches exist on how to extend an interest rate model to incorporate credit risk? The first thing that comes to mind would be to just model the credit spread separately - ...
1
vote
1answer
92 views

Interpolation of volatility curve for Swaption

I have found volatility in the black model for swaption for different maturity (1-2-3-6-9M, 1Y, 18M, 2-10Y, 15-20-25-30Y) and Tenor (1-10Y, 15-20-25-30Y). Now I need another values (Maturity: 2, ...
0
votes
1answer
26 views

GNP/GDP and modelling [closed]

Is GNP a continuous, static or a dynamic model ? What about GDP ? What I do know is that it has yearly discrete values. However, when it is modeled, it becomes a continuous graph. So what exactly is ...
0
votes
3answers
78 views

Why is it enough to know the expected present value of cash flow in risk-neutral framework to price derivatives?

Wilmott book states that its enough to know the expected present value of all cash flow in risk-neutral framework to price derivatives. As I know, to obtain arbitrage-free market we need our ...
3
votes
4answers
267 views

Bloomberg alternatives for fixed income data

I am looking for a (hopefully significantly cheaper) alternative to bloomberg - primarily for fixed income data. Perhaps some survice that has a more modular fee structure (so that I only have to pay ...
2
votes
1answer
108 views

Monte Carlo for MultiFactor Ornstein Uhlenbeck

I'm following loosely the exposition given in "Monte Carlo Methods in Financial Engineering by Glasserman. For a multifactor OU process: $dX(t)=C(b-X(t))dt+DdW(t)$ Where C and D are d*d matrices ...
1
vote
1answer
23 views

How to define the median for bivariate function?

I know if we define a function f(x) and its cdf is F(x). The inverse function of cdf is inverseF. I can define its median as follows: median = inverseF(0.5). But if I want to get the median for a ...
2
votes
1answer
113 views

Variance of Multi-Dimensional OU process

I'm trying to implement this model shown here: http://www.sciencedirect.com/science/article/pii/S0304407611000388 As part of the modelling process I have to calculate the unconditional variance of X ...
0
votes
0answers
57 views

Good stochastic volatility model

Im fiddling with estimation of stochastic volatility models and have build up a somewhat flexible framework using indirect inference. I would like to try and throw a lot of different continuous time ...
2
votes
2answers
120 views

american option and cash dividends

Can someoe help with this : What is the precise arbitrage argument demonstrating that the price of an american option should be continuous around an ex-dividend date? Thanks
0
votes
3answers
249 views

Modeling Financial Time Series

Price time series are not stationary. So we difference them and get the return time series, which are stationary. Does this mean, it is always a good idea to model only the return series of financial ...
0
votes
0answers
56 views

At what point does it make sense to start using a system?

This is an issue I've been struggling with for quite a while, and haven't found a satisfactory answer yet. The basic problem is this: Lets say you set up a black box system which gives you anywhere ...
1
vote
1answer
157 views

how to compute daily skewness of S&P daily return timeseries under no other more high - frequency time series?

As we all know , return time series marked features: fat tail or negative skewness and peakedness. For a similar problem of variance computation, we can compute variance by garch model and other ...
3
votes
2answers
207 views

When to use the real world drift and when the risk neutral one for a Monte-Carlo simulation?

Under what conditions should the drift be real world and when risk neutral when simulating Delta Hedging option pricing trading strategy any other? For 2. it should be risk neutral. For 1., it ...
2
votes
1answer
69 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 ...
2
votes
2answers
118 views

Why is USD LIBOR used for USD denominated securities?

I am just starting on Interest Rate Swaps & curve construction. While reading few materials on Interest Rate Swap, it's indicated for e.g. "Floating Coupon Index: 6 month USD LIBOR". LIBOR is ...
1
vote
0answers
37 views

Existence of a hedging portfolio and martingale property

Lets assume that the underlying follows a Brownian motion and the market has the standard properties of the Black Scholes setting. Is there a way to find a hedging portfolio for every discounted ...
0
votes
1answer
131 views

estimate implied volatility using newton-raphson in python

I am trying to calculate the implied volatility using newton-raphson in python, but the value diverges instead of converge. What is wrong with the code? ...
3
votes
1answer
162 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 ...
2
votes
2answers
90 views

The implied volatility surface and the option Greeks - to what extent is the information contained in their daily movements the same?

What is the link between option Greeks (i.e. vega, delta, gamma, theta) and implied volatility surface (IVS) movements? Could you say that their 'information content' is the same. i.e. that out of ...
1
vote
1answer
84 views

Forward rates diffusion

I used a simple market model (Black 76) to price an american swaption. It's a formula similar to B&S, with another numeraire and forward rate as underlying. I used the SDE: $$ dF = \sigma * ...
1
vote
1answer
137 views

What is PCA and how does it relate to eigenvectors and eigenvalues?

What are the principal components? How they are calculated? What is their relationship with eigenvalues and eigenvectors? This is a lead-in question to explain PCA basics. EDIT: PCA is implemented ...
0
votes
0answers
42 views

How to the compute the formula of Kendall's tau (please see this formula)

I am trying to compute the kendall's tau, but when facing the formula below, I don't know why the second line is this. Could anybody help me to interpret the reason to me? Thanks very much!
0
votes
1answer
59 views

Forex Fundamental Data Sources [duplicate]

What are the best sources to find free Forex historical Fundamental Data in a .csv format?
1
vote
2answers
58 views

Implied Correlation using market quotes

Is there a way to retrieve the implied correlation between stock price and zero coupon bonds?
2
votes
2answers
126 views

List of Stocks by Sector

Does anyone know where I can find a list of all stocks traded on the NYSE in a table that also includes what sector they are in? I want to look at some data using info both from the individual stock ...
2
votes
1answer
95 views

After PCA on original factors, how to tell which original factors are dominant?

When doing the PCA analysis, you end up with eigenvalues which are ordered by how much variance they explained for each eigenvector. Say, the eigenvectors since they are orthogonal, do not represent ...
0
votes
0answers
12 views

Russell 2000 P/E Ratio [duplicate]

Can someone please provide me with a source where I can find the the historical time series for the Russell 2000 PE ratio? Ideally, I'd like to have both the prices (easy to find) and the earnings for ...
3
votes
1answer
78 views

Create optimal portfolio by Treynor and Jensens Alpha

I would like to know which formula to use in order to optimize a portfolio based on highest Treynor and Jensens Alpha. I am aware that usually one optimize a portfolio by highest Sharpe ratio (the ...
0
votes
2answers
89 views

How can I calculate Fama-French betas for a particular stock?

For a particular stock, what's the simplest way to calculate betas for the Fama-French factors SMB and HML?

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