# All Questions

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### Basic bond question. Am I correct?

Given that B=C*e^-y + C*e^-(2*y)+ (100+C)*e^-(3*y) where B is the bond price, C is the coupon. and It is a 3 years annual coupon bond. I want to find dD/dC where D is the modified duration. My ...
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### Finding Esscher parameter under risk neutral Esscher transform of exponential Levy processes

I am modeling a stock price by an exponential Levy process such that $S_t =S_0 e^{X_t}$ where $X_t$ is a Levy process and $S_t$ is the stock price. I am using the Esscher transform to find an ...
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### Definition of Return of A Long/short Portfolio

This can either be a silly question or a question with no sure rigorous answer but defined with some convention. Any way, here it is. What is the (industrial recognized) definition of the return of a ...
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### What is a good index to track short term interest rates?

This is an FX question. I want to track short term (overnight or next best thing) rates for major/em ccys. What's the best way of doing this? Is there an index I can follow? Preferably something ...
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### Characterizing relation “ has no less information than” between information systems represented by Markovian matrices

I crossposted this question on math.stackexchange. Background: Suppose that an investor's utility is both determined by the state and her action taken. A fact of life is that she can't observe the ...
59 views

### Places to make quant code/tools publicly avaliable

Over the years I have developed several tools - including pricing, optimization and calibration tools - most in VBA, C# and C++ I would like to make them publicly avaliable. Aside from putting up my ...
38 views

### Use of geometric mean for average return of several indices

Can anyone give any reference for using the geometric mean to average the returns from several indices? Note, this question is not about the usual use of geometric mean to obtain the average return ...
16 views

### Ex-ante tracking error constructing confidence intervals

When calculating an ex-ante tracking error to be used to forecast returns how do you construct the confidence intervals? I am using the mean return of the relative returns between the portfolio and ...
57 views

### Algorithmic Trading Model Calculation and Stale Data

I'd like ask everyone a more concurrency programming but definitely quant-finance related question. How do you deal with staleness of data in market hours as quote ticks are streaming and your model ...
34 views

### about Cointegration, a couple questions involved? thx! [on hold]

say theres 4 time series, and rank of 3 1)write down an appropriate model for the time series according to the above result. what this rank number of 3 imply for the matrix of CI vectors A, and the ...
27 views

### GARCH and RV model

For a given time series which exhibits dependence in second moments, a forecast of volatility is needed. for the following 2 datasets, propose a suitable model to provide the forecast and discuss the ...
23 views

### Pricing a bond with variable strike collar with QuantLibXL

I am trying to price a floating rate bond with a capped and floored interest rate. The strikes of the caps and floors vary, but are known in advance. I am trying to do this with QuantLibXL, but I am ...
28 views

### Ex-Ante tracking error how to determine the look back period

I am looking to compare the ex-ante predictions against the post values. I am using a look back period of ranges from 1 year to 5 years to construct my covariance matrix that I am using for my ex-ante ...
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### Minimum PD under Basel II retail asset?

I have been told that under Basel II the minimum PD that one can assign to any portfolio/segment classified under the retail asset class is 0.33%. But Google searches return nothing and I can't seem ...
79 views

### Normally Distributed Returns Become Leptokurtic Due to Compounding

I was running a bunch of simple simulations in excel the other day in excel. Using the NORM.INV(RAND(),0,1) to simulate daily stock returns I noticed that the more compounded the returns, ie, the more ...
18 views

### How do I determine what is a separate objective in a multi-objective portfolio optimization?

Is there a general rule to determining when to separate objectives when developing a multi-objective portfolio optimization? For example, one might start with a standard portfolio optimization of ...
11 views

### Cost dependency quantification

Suppose one wants to estimate the manufacturing costs dependence of the price of a specific raw commodity, are there good quantitative methods for making such estimation? I'm interested in creating a ...
67 views

### Why was NASDAQ(or other index) not fluctuating in 70s and 80s?

Today I have a search of historical NASDAQ back to 70s and noticed the index was slightly increasing in 70s-early 90s and rising up and down in recent decade of years. Why would that happen? The only ...
70 views

### Sharpe Ratio and time spent in loss

Is it possible to express, given an annualized Sharpe Ratio value, what is an expected maximum/average time spent in a draw-down or something in this manner? E.g. with SR of 10, you'd expect to spend ...
66 views

### Pricing a piece of asset whose dividend stream following a Markovian matrix

I'm trying to calculate the result of an simple example on page 326-327, in Harrison and Kreps(1978). It's pricing a piece of asset whose dividend stream is a simple Markovian process. Here's my ...
36 views

### Is this a stopping time? [on hold]

I hold on to a position until there is either: a profit of $X{ e }^{ \sigma } - X$ a loss of $X - X{ e }^{ 2*\sigma }$ is that a valid stopping rule? $X$ is the current price. EDIT: the time ...
36 views

### $\omega' \sum \omega$ is identical [on hold]

1) Suppose there are three assets,x, y, and Z. The covariances of their returns are $\sigma_{x,y}, \sigma_{y,z}, \sigma_{x,z}$ and their variances are $\sigma_{x}^2, \sigma_{y}^2, \sigma_{z}^2$. Show ...
63 views

### Critique against consumption-based asset pricing theory?

I find asset pricing theory very vague and full of assumptions, especially the consumption-based modern theory. In its essence, the theory states that asset prices depend on the covariance between ...
38 views

### Econometrics - Testing

If we have a time series of returns and two time series of indicators, how would we test the use of these indicators if they are autocorrelated or nonstationary (VAR Models dont produce significant ...
31 views

### Econometrics - Granger Causality

Suppose we have two time series, if one has autocorrelations and the other is non stationary how do we test whether they Granger cause a returns series?
59 views

### Volatility tools / web sites?

Could someone give recommendations regarding volatility tools / web sites that they find useful? I am looking for information that my brokerage platform does not provide. Specifically, I want to see ...
23 views

### Optimal lag length selection criterion in GARCH(p,q) model using MATLAB

As assessed by the title, I'm trying to estimate a GARCH(p,q) model to forecast stock market volatility and, in order to be able to do that, I've to identify the optimal number of lags, p and q, to ...
46 views

### Optimal Executions for Minimizing Slippage

There has been a considerable body of work for finding trading strategies that minimize the slippage wrt arrival price. For instance, the following are on of the most well known papers: [1] Robert ...
104 views

### Call option on a Mutual Fund

I am trying to price a call option on a mutual fund. Given the lack of market implied data, I am going to estimate the fund´s expected volatility using as a reference its historical volatility ...
42 views

### Standard way to represent trend in an a-dimensional way

Let us suppose that a factory needs to know when certain products are increasing the profit. This factory produces an huge number of products each with different targets. So the factory need to ...
296 views

### Why does it “say” portfolio diversification not suitable during market turmoil?

Currently I am trying to get a hold of MPT, asset allocation and related applications. While reading a particular resource, it says diversification works best for "normal" financial markets and ...
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### Tracking delistings on NASDAQ & NYSE

Does anyone know of a webpage (or webpages) of current delistings for NASDAQ & NYSE?
138 views

### How are HFT systems implemented on FPGA nowadays?

I have read about different implementations of HFT systems on FPGAs. Argon HFT system (http://trading-gurus.com/argon-design-an-fpga-based-hft-platform/) Hardware-only implementations or hybrid ...
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### Compute the average efficient frontiers with estimated parameters from generated time series

My overall objective is to analyse the impact of error in mean-variance analysis from historical data. I am given the returns and standard deviation for the five assets under consideration, as well as ...
62 views

### Monte Carlo American Option Pricing under GARCH(1,1) volatitliy

I am attempting to price a couple of at-the-money American option using the LSM algorithm and GARCH(1,1) volatility. The LSM code I have works correctly for constant volatility, however, when I switch ...
29 views

### Fitting Egarch Model

I am performing a monte-carlo simulation in MATLAB for the first order EGARCH model in which case I am simulating 100 paths of size 500 assuming Gaussian and Student's-t distributions for the ...
39 views

### Implied state price density (Question 1 - derivation of the formula)

I came upon the term "implied state price density" in a couple of papers. As far as I understand the concept one basically tries to extract the "pricing density" from the market data. For the sake ...
26 views

### Who is the issuer and the counter part of this instrument?

I have the following SWAP contract : T1UH4 which is a 2-Year Deliverable Interest Rate Swap. Product info : ...