All Questions

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34 views

Optional Sampling Theorem Application

Let x, y > 0. Defint eh first passage time of a Brownian motion $W_t$ as $\tau_a$ = min{t $\ge$ 0: $W_t$ = a}. I need to show that E[$e^{-u\tau_x}$$1_{\tau_x < \tau_{-y}}$] = ...
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0answers
47 views

Stationarity tests in the frequency domain for regression

Strict stationarity is the strongest form of stationarity. It means that the joint statistical distribution of any collection of the time series variates never depends on time. So, the mean, variance ...
1
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0answers
21 views

Price 3m libor autocap with LMM calibrated on 1y swaption data

I need to calculate a price of an autocap contract which is An autocap is similar to a cap, but at most γ ≤ β caplets can be exercised, and they have to be automatically exercised when in the ...
1
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0answers
62 views

Black Scholes - how to calculate delta with a vol skew

I am trying to calculate the delta of an option at different strike prices where the underlying has a pronounced implied volatility skew in order to correctly hedge an options strategy. Researching ...
1
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0answers
28 views

IR Yield Curve and Fixing Dates

Consider two FRAs. 3x6 , Effective 3 months from now, terminates in 6 months. The floating leg payer pays 3-month LIBOR. Fixing date for LIBOR 40 business days. To price this at par, the fixed leg ...
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0answers
30 views

Model-independent dynamic portfolio optimization techniques

For a problem where we need to optimize the portfolio based on the data, going for Markowitz MPT has the following advantage: we only have to estimate mean and covariance to find optimal weights. I'd ...
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0answers
61 views

Provide a bond pricing differential equation and invoke Feynman-Kac

Grateful for any assistance. Consider the process: $dZ=r(t)Z\,dt$ , where $r(t)$ is stochastic and $Z=Z(r,t;T)$ is a zero coupon bond. Provide a bond pricing differential equation and invoke ...
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0answers
68 views

PDE and Black Scholes problem

Consider Black Scholes problem $\frac{\partial V}{\partial t} + \frac{\sigma^2 S^2}{2}\frac{\partial^2V}{\partial S^2} + rS\frac{\partial V}{\partial S} -rV = 0$ with boundary condition $V(S,T)=f(S)$, ...
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0answers
30 views

Is it important to equalize the minimum price fluctuation in pairs trading?

For example, suppose we were trading a strategy which buys one Brent contract and sells one Gasoil contract. The minimum price fluctuation for a Brent contract is \$10, and the minimum price ...
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0answers
51 views

PerformanceAnalytics and Annual Charting

I have seen a charts that look's like Is it possible to do something like this with PerformanceAnalytics or is there any other package for doing this? Thanks in advance
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0answers
29 views

run time error 424 in IB TWS Excel DDE API; failed to add combo orders

I'm using an Excel DDE to connect to Interactive Brokers TWS via their API 9.72 sample, excel 2013. When I tried to create a combo order, the rum error code 424 said "object required". It seems that ...
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0answers
66 views

How to implement the herding measure proposed by Lakonishok et. al (1992) in python

I would like to test for herding behaviour using the herding measure developed by Lakonishok et. al (1992) on a dataset containing trader transactions during 2013, however, i am having some trouble ...
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0answers
43 views

How to map shocks from VAR to news? (Academics)

I am trying to map shocks from VAR to discount-rate and cash-flows news following the paper of Campbell and Vuolteenaho (2004). It is said that news are a linear combination of shocks from VAR at ...
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0answers
87 views

How to interpret ACF and PACF plots

I just want to check that I am interpreting the ACF and PACF plots correctly: The data corresponds to the errors generated between the actual data points and the estimates generated using an ...
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0answers
62 views

How to compute for basis adjusted forward rate?

To give you a brief background, I'm valuing a fixed-for-float Interest Rate Swap (IRS) using Bloomberg. I put in a notional amount in (USD) and a assigned 6MO USD LIBOR as the reference index for the ...
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0answers
64 views

Game theory and antagonistic games in trading

In one of the topic here, particularly in the comments, i saw a link to the page describing connection between Antagonistic Games and finances but i cannot find it now and would appreciate if somebody ...
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0answers
50 views

What is Equity Asian Hybrid?

As listed in http://www.vectorrisk.com/Views/Solutions/ProductList.aspx What's an Equity Asian Hybrid? Any references? What is exactly a hybrid product?
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0answers
81 views

In what kind of stochastic process Ito's lemma is adopted?

I have been told that Ito's lemma serves as the stochastic calculus counterpart of the chain rule. And yet again my tutor mentioned it is not used for all stochastic processes. Is this statement ...
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0answers
21 views

Collateralized Loan Obligation - reliable source of information

Can someone provide me with some reliable source of information about CLOs? Especially some scientific articles etc. Google or wiki are good for starters and I would like to get some examples, ...
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0answers
16 views

Standard errors clustered along the time dimension in pooled panel logit model

I'm trying to estimate a logit model on pooled panel data set (unit of observation is firm-year). My dependant variable is default indicator and I have several macro variables as independant ...
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0answers
38 views

how to find CVaR/AVaR for triangular fuzzy no

While going through different methods of risk measure i came across AVaR/CVaR, while i was calculating AVaR/CVaR in credibilistic environment using VaR, i got stuck in the calculations eg. For ...
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0answers
33 views

Cross-Currency Inflation-Linked Swap

I am trying to find any references to cross-currency inflation-linked swaps. Have anyone encountered them and can describe how they work and how they differ from standard year on year inflation swaps? ...
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0answers
48 views

Rule of Thumb for minimum length of time series for AR(1) estimation

I have a data set of 350 points, I want to estimate the lag 1 auto correlation for different sub-sets of the data. More precisely I want to take non overlapping windows of length 1,2,3....n and ...
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0answers
37 views

Intensity Function of Stochastic Processes

I'm fitting some financial data to a model based on a stochastic process and evaluating the fit of it by looking at the compensator. However, I cannot understand well what does it mean to take the ...
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0answers
30 views

Earnings Quality for a large group of stocks

Does anyone have any recommendations for how to track earnings quality for a large number of stocks (500+) on a quarterly basis? I am familiar with the M-Score for detecting earnings manipulation but ...
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0answers
32 views

Doubt on risk cost criterion

I want to minimize some kind of risk sensitive cost. But, I am confused what cost criterion should I use. I am aware of only expected exponential utility. I want to know what are the other such ...
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0answers
56 views

CVA formula proof

I'm struggling to prove the CVA formula in this paper. Equation (3) is the result of computing the expectation of formula (1). Could you please show me how to prove that?
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0answers
114 views

one-step-ahead Stochastic Volatility for 5-minute VWAP prices

I'm trying to run an SV model against prices of Euro/USD. For those not familiar with SV, its a volatility model in which each point gets its own volatility parameter $h_t$ with 3 main parameters that ...
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0answers
64 views

Asset true price determination, quoted on 2 exchanges

There is a stock that is quoted on 2 exchanges and I'm thinking about ideal (from market micro structure point) method for calculate true value of that asset. Assuming that venue with volume traded ...
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0answers
37 views

How to value a portfolio of non-mature consumer loans?

I'm looking for the best way to value a portfolio of consumer loans that have NOT reached maturity and for which I do observe the payment/default history to date? I'm working with a large database of ...
1
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0answers
58 views

Autoregressive distributed lag models ADL(p,q) howto in preferably matlab (stata/R/python/C# etc)

Could anyone provide me the details of how to determine the lag order of the distributed lags for an ADL(p,q) model in Matlab or another statistical package (and very much preferably in combination ...
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0answers
32 views

Understanding Price Elasticities in Discrete Choice Models (Derivative)

I'am in the midst of a paper on mutual fund product differentiation by Li and Qiu. Here, the authors model the utility an investor derives from investing in a mutual fund using a Discrete Choice Model ...
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0answers
31 views

Handling IQFeed events in Matlab

I need to get some specific market data for my studies, and it seems like the most convenient way for me to do this is to use IQFeed data feed and MATLAB. But unfortunately, since I'm not a seasoned ...
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0answers
99 views

Models for volatility estimation of high frequency data?

I have read on several news articles and research papers, "Contrary to popular belief, high frequency trading reduces volatility in stock markets rather than exacerbates it". Do you know the models ...
1
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0answers
39 views

proper choice of risk aversion parameter in the risk-sensitive cost-criterion

Suppose I want to minimize certain risk sensitive cost. Is it a valid question to ask what is the proper (also in which sense) choice of risk aversion parameter in the risk-sensitive cost-criterion ? ...
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0answers
62 views

Underlying changes impact on implied volatility

What are some valid techniques that can be used to simulate how changes in the underlying are most likely to impact implied volatility along with the skew of all strikes for options with the same ...
1
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0answers
135 views

where to find historical option prices?

I have a dataset of options (traded in European exchanges such as NYSE Euronext) and I would like to find their price history. Where to find it? I see that ...
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0answers
40 views

Questions related to the banking crisis during the European sovereign debt crisis

I am studying the European Sovereign Debt crisis and I have the following questions which I am struggling to find examples for: 1) I have heard that during the sovereign debt crisis, European ...
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0answers
65 views

Max Likelihood via Marquardt Optimisation

I asked a related question here: How to apply Levenberg Marquardt to Max Likelihood Estimation I tried the approach suggested it works for some of the parameters but not the variances. I spoke to ...
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0answers
67 views

robust regions in grid search

I have a strategy f that takes parameters x,y (for x,y taking values in integer ranges). I get two grids (of returns and volatility values) from computing f(xi,yi) for integer ranges x1 <= xi <= ...
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0answers
66 views

How to convert HJM model risk-neutral measure $\mathbb{Q}$ to real measure $\mathbb{P}$?

HJM model, $df(t,T) = \mu(t,T) dt + \xi (t, T)dW(t)$, is defined in risk-neutral measure $\mathbb{Q}$, according to Brigo's "Interest Rate Models" book. I wonder, how could I transform it to real ...
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0answers
98 views

The option values are different from two r package - foptions,rquantlib

The results are very different.I know the code from quantlib and the result of quantlib seem right(close to market price). Is there anyone know why the value from fOptions is so large or fOptions used ...
1
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0answers
98 views

VaR mapping - Forward Foreign Currency Contract

I have a question about VaR mapping for FX forwards. Please bear with me while I outline the problem. Philippe Jorion's book discusses VaR mapping; a means to break down complex instruments into ...
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0answers
55 views

Variable Selection with Kalman Filter

I'm trying to estimate factor loadings on portfolios over time for portfolios that are traded pretty frequently. I have a sense that several portfolios are loading on the Fama-French HML factor ...
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0answers
27 views

Finding criteria for a household financial budget falsification

I’m working on a financial problem about budget of households. Households in a state fill a form about their net budget in every year and our insurance company investigate their financial status and ...
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0answers
127 views

trading strategy outperforms passive strategy in absolute terms, but in returns vice versa. how could this be?

Background: I want to compare two trading strategies in term of profitability. The red one is an active trading strategy, which involves many entry and exit to a specific market. The blue one is a ...
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0answers
30 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 ...
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0answers
41 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 ...
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0answers
48 views

volume augmented garch(1,1) model in matlab

Actually I want to add volume traded of a stock in my Garch(1,1) model to forecast the volatility.In Matlab I can specify the model as garch(1,1) and then use estimate and forecast commands.But I am ...
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0answers
32 views

Effect of kernel smoothing on correlation

Instead of deriving correlation matrix on standardized returns (z scores) would it not be more accurate to kernel smooth the cdf and then norminv the cdf values for the return z score and then ...

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