1
vote
0answers
12 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 ...
3
votes
2answers
51 views

Time 0 value of an American Put in Cox-Ross-Rubinstein model

This is a question from a problem sheet which I have handed in and have solutions for. The only examples of this in class I have seen are examples where the interest rate is 0. "Consider a ...
1
vote
1answer
37 views

Measure the effect of a natural disaster on a stock market index

I am very new to using stata and very new to using Garch models. I am currently doing my final dissertation for my MSc in Finance studies and regarding my topic I understood that i had to use garch to ...
0
votes
0answers
8 views

Extracting Default probability from a single CDS

I would like to find the CDS's default probability using the simplest Poisson Process (intensity constant). I'm wondering how get this estimate if I have only a CDS with maturity 5years. If I had ...
1
vote
1answer
24 views

Estimating correlation using EWMA

I am using an EWMA model to evaluate the correlation between yearly time series. I know Riskmetrics uses $\lambda=0.94$ for daily data and $\lambda=0.97$ for monthly data. Is there a value ...
8
votes
1answer
54 views

Is there a countably infinite Sigma-Algebra? Why?

Assume $\,\mathcal{F}$ be a nonempty collection of subsets of $\Omega$. $\,\mathcal{F}$ is called a $\sigma$-Algebra whenever if $A\in\mathcal{F}$ then $A^c\in\mathcal{F}$, and if ...
1
vote
1answer
172 views

How to projectP&L or drawdowns on pair trading , trading and portfolios? [on hold]

This is for planning and risk management. I am stuck on the following thoughts - Back-test the trading strategy for a period similar to the one you expect and then project. Do the above using ...
3
votes
2answers
22 views

Implied volatility and nonconstant volatility

John Hull states in his text that "AS the maturity of the option is increases the percentage impact of nonconstant volatility on (option) prices becomes more pronounced, but its percentage impact on ...
5
votes
1answer
357 views

Definition of risk factors for market risk scenario testing

I am doing a research for stress testing in market risk. The usual process I found out for scenario testing is: Define risk factors upon the portfolio Define the desired scenarios Vary the risk ...
2
votes
1answer
28 views

How to use Halton sequence in monte carlo simulation

Does anybody know how to use the Halton pseudo random technique in monte carlo simulation. I'm able to generate the sequences and I know they are correct. I checked a couple of numbers from different ...
1
vote
1answer
54 views

Bond in relation to US T-Bill/Risk-Free rate

By looking at the following charts , i wondered about how to plot a fixed income security against a risk free bond. I have the bond price time series but I am not sure what US T-Bill rate I should ...
1
vote
1answer
25 views

Applying Time Delay Neural Network to financial events

I have an IT background and I would like to use data from a forex calendar like this one to predict prices. The problem is that calendar news impacts can last for days or weeks or even can effect ...
3
votes
1answer
12 views

Forced to exercise gap options

I was reading a textbook and came across some surprising stuff in the section about gap options. Let $X$ be a payoff function such that $X=\Big\{\matrix{0 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ...
3
votes
0answers
68 views

Problem with Naive Bootstrapping (US Government Bonds)

I am using the formula here to determine the discount factor function and eventually the zero-coupon yields. I get the data for Coupons, Face Values and Closing Prices from Thomson Reuters, which I ...
4
votes
1answer
140 views

Kolmogorov-Smirnov test for Generalized Pareto Distribution

I've fitted my data to a generalized pareto distribution as to model the returns in the tails more accurately. The interior is fitted with kernel distributions. I would like to now test whether the ...
3
votes
2answers
167 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 ...
1
vote
1answer
47 views

Do I need simulink to model the risks of an option portfolio

I wish to buy Matlab Home and learn to model the risks of a derivatives portfolio and then stress test it. So I am guessing I will need : Stochastic calculus Linear algebra Stats/Probability Some ML ...
6
votes
1answer
81 views

Heston Model Option Price Formula

What is the formula for the vanilla option (Call/Put) price in the Heston model? I only found the bi-variate system of stochastic differential equations of Heston model but no expression for the ...
-1
votes
0answers
14 views

What is the advantage and disadvantage of using moving average crossover stratergies for algorithm trading [on hold]

I am new to algo trading and the first algorithm I learned is moving average crossover. I find this algorithm more easy to learn and implement but when I back-tested this strategy with different time ...
6
votes
1answer
162 views

How to do a Brownian Bridge with quasi-random numbers in the Heston model?

I'm required to use the Euler Monte Carlo method to compute the option price under Heston model settings. I know from some paper that the convergence is volatile for the Heston model with a plain ...
4
votes
2answers
521 views

The greeks: where do they come from?

I’m studying the BSM model and having a look at the greeks. I was reading Derivatives, by Paul Wilmott, and he gives the closed form solutions without making the reader see where these solutions come ...
2
votes
0answers
29 views

VaR calculation methods of options

I am a little bit confused about VaR in Options and I need a clarification for. I collected the following formulas, can you suggest what is the best formula and explain me why, please?
1
vote
1answer
11 views

Any package to run VAR-GARCH or VECM-GARCH models in R?

I need to estimate a multivariate VECM-GARCH (or simply VAR-GARCH) in R. Browsing on the internet, I did not find anything yet. Do you know if such kind of packages exists? Please, note that a BEKK ...
2
votes
1answer
67 views

How do I show that there is no tangency portfolio?

Question: Suppose that the risk-free return is equal to the expected return of the global minimum variance portfolio. Show that there is no tangency portfolio. A hint for the question states: Show ...
2
votes
1answer
44 views

Zero rates coupon bond calculation

In order to do cash flow mapping I need zero rates for corporate bonds , where to find or how to find the o rates ?
3
votes
0answers
15 views

Annualised Sharpe Ratio for Index vs Index Benchmarking

I am currently writing a paper about the performance characteristics of alternative energy equity indexes and am therefore comparing them to their benchmark indexes (msci world, etc). To calculate the ...
3
votes
1answer
142 views

Closed form solution of PDE of Option Price

Let $V=V(S_t,t)$ be the option price and \begin{align} V_t+\mu\,S\,V_S+\frac{1}{2}\sigma^2\,S^2\,V_{SS}=0\\ V(S_T,T)=\ln (S_T)^{2}. \end{align} My question: How can I obtain a closed form solution of ...
2
votes
1answer
88 views

Calculating VaR with Monte Carlo simulation

I would like some help here :) I have a problem calculating VaR with the Monte Carlo Simulation. I have followed then next steps, is this a right way to calculate VaR or I need something more? ...
0
votes
0answers
9 views

continuously compounded(cc) return of a portfolio is not equal to the weighted sum of cc return of individual assets

In textbooks it is stated that the continuous compounded (cc) return of a portfolio is not equal to the weighted sum of cc return of individual assets as the log of the sums is not equal to the sum of ...
1
vote
0answers
10 views

How do I calculate what % of price hits R1 before pivot

I am trying to calculate what % of times the price touches R1 before the pivot level. I have the data for the last 10 years and know how often it touches the R1 one and pivot point but I don't know ...
1
vote
1answer
61 views

Forecasting using GARCH in R

I am using the predict and ugarchforecast functions in R. When I fit my models and try to forecast, I get either only increasing or decreasing values for sigma, does anyone know why? Thank you ...
-1
votes
0answers
14 views

Tutorial for Trading System [on hold]

I'm interested in learning about how to create a trading system in java or C#. Do you have a recommended open source project or similar that you can provide me? Thank you!
-3
votes
1answer
52 views

Constant decreasing volatility, GARCH forecasting

I am trying to forecast the volatility using GARCH modelling in R. I fit an ARMA(1,1)-GARCH(1,1) model, but my sigma predictions are constantly decreasing. Anybody know why? ...
14
votes
14answers
8k views

Is “eoddata” a good data source?

Not sure if this is a relevant question for site, but I am looking to move to www.eoddata.com as my data source. If anyone has used it, can you tell me how the data quality is ? I am currently ...
2
votes
2answers
190 views

How to filter and normalize market data obtained from distinct sources (FIX 4.4, bloomberg, etc) in an algorithmic trading system?

I'm wondering if some of you known how to resolve this requirement: I have to define the architecture of an algorithmic trading system (but I'm not an architect, so I'm trying to do my best). I have ...
1
vote
1answer
20 views

What is type of Operating income to total assets ratio?

What is type of Operating income to total assets ratio? Leverage, Profitability, Asset composition or Liquidity? and why?
0
votes
0answers
23 views

Forex: Currency strength [on hold]

Let's say the following scenario: EURUSD yesterday Close: 1.1150 GBPUSD yesterday Close: 1.5577 EURUSD today Close: 1.1100 GBPUSD today Close: 1.5600 Considering that (and some other USD-pairs), ...
2
votes
0answers
119 views

Stochastic Volatility CIR estimation

Would anyone have a code (pref. Matlab or R) for any type of estimation (QML, GMM) not using option prices of a stochastic volatility model driven by a CIR process described below? \begin{equation} ...
2
votes
0answers
12 views

Shorting a Synthetic Long [on hold]

I have the following information: Call Premium: 0.30 Put Premium: 40.4 Strike: 130 1-Month Risk-Free Rate: 0% Market Price: $85.00 If I use the Synthetic Long ...
2
votes
0answers
29 views

How to optimize return in a moving average crossover algorithm

Moving average crossover strategy is a widely used strategy in algo trading. Is there a way to optimize return in a moving average crossover stratergy. I have used this site to backtest MA crossover ...
1
vote
0answers
17 views

In this scenario could gamma be higher for OTM options?

Let's say there is a $1 stock, with say 1 day to expiration. The 1.5 strike call, is probably a 0 delta at this point; however, a 1 point increase would mean the stock would be at trading at 2 ...
0
votes
2answers
68 views

Fractals indicator (Bill Williams) R Quantstrat

Hi has anyone seen or know how to create an indicator for fractals in quantstrat? fractals explained http://forex-indicators.net/bill-williams/fractals example code (only interested in type 1 ...
2
votes
1answer
64 views

Transaction costs on option trades

It looks like the commissions alone for a non-index option trade is around 2-5%. For example, a BAC June ATM Call is currently trading at \$0.20; Interactive Brokers charges $0.7 per contract, which ...
3
votes
1answer
125 views

Covariance structure of call option surface

Assume the observed call option prices $C(K_i,T_i)$ for $i = 1,\dots,N$ are disturbed by some unknown measurement noise $\epsilon$. What would an appropriate covariance structure be for $\epsilon$? ...
2
votes
1answer
33 views

According to Lo and MacKinlay (1990), momentum profits can be divided in 3 parts. What do they represent exactly?

At first, Lo and MacKinlay (When are Contrarian Profits Due to Stock Market Overreaction?, 1990) didn't do it for momentum precisely. However,Kyung-In Park and Dongcheol Kim (Sources of Momentum ...
2
votes
1answer
47 views

Geometric Brownian Motion in a general interval $[t_1,t_2]$

I know that the Geomtric Brownian Motion, with the expresion $dX_t = v X_t dt + \sigma X_t dW_t$ has the next solution $$X_t = X_0 e^{\sigma W_t+ (v-\frac{\sigma ^2}{2})t}$$ on the interval [0,t]. ...
1
vote
2answers
101 views

Speed of mean reversion of an interest rate model

I would like to have a bit more of intuition about the concept of "speed of mean reversion" for an interest rate model, e.g. Vasicek or CIR. In particular, is a negative speed of mean reversion ...
0
votes
0answers
16 views

Can you tell me what this RBloomberg formula means?

I've been asked to re-create a spreadsheet that used RBloomberg using a different data source. But I'm having trouble figuring out exactly what one of the spreadsheet's formulas does. Can anyone tell ...
6
votes
2answers
96 views

Reflection Principle

Let $(\Omega,\mathcal{F},P)$ be a probability space and $\{W_t ∶ t ≥ 0\}$ be a standard Wiener process. By setting $\tau$ as a stopping time and defining \begin{align} ...
-1
votes
0answers
18 views

how to create folder and csv files for each row in each sheet (VBA) [on hold]

I have an excel workbook. In this workbook,I have 3 worksheets, named by"First","second" and "third". Each sheet has 4 columns such as Date X1,X2,Oneletter.I'm trying to run a VBA program.But I have ...

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