0
votes
0answers
4 views

Exercise on American call option and dividends

Consider an americal Call option on an underlying paying dividends. Then it is often argued that it is only optimal to exercise right before the dividend is paid out, otherwise one will not exercise. ...
1
vote
1answer
23 views

Two correlated time series - driver and follower

Say that there are two time series of highly correlated stocks one of which is the driver and the second one follows the first one. What mathematical meassure of formula would you use to identify ...
-1
votes
0answers
15 views

What packages are out there to extract trading signals from time series data

I have lot's of time series that I would like to compare. Similar time series shall be grouped together. Is there a decent package out there to extract significant features that I could use to ...
0
votes
0answers
7 views

Aren't Technical Indicators calculated on Adjusted Close Price?

I would assume that day to day movement in stock can be accurately compared with the Adjusted Close Price and not simply the Close Price, taking into account Stock Splits Dividends etc. ...
0
votes
1answer
10 views

VIX-implied Volatility calculator

Does anybody know any implied volatility calculator for VIX Options, possibily in Matlab? For Vanilla Options, I'm currently employing this function which is very fast and reliable (much more than ...
0
votes
1answer
8 views

How to use WACC for investment?

How to use a value of WACC? I have calculated WACC of company to be 7%. What if company had smaller or bigger WACC? Which one would attract investment?
0
votes
0answers
12 views

Applying the Bayesian Information Criterion for Stepwise Selection Algorithms on Time Series [migrated]

The title sounds rather complicated for fairly simple statistics issue. I've created a factor model that tests adding additional factors by checking if the improvement in the mean squared error ...
1
vote
2answers
22 views

comparing modified VaR to ordinary VaR

What inferences can one draw when given a modified VaR at x% confidence and an ordinary VaR at x% confidence level. If the two are equal one inference can be that returns are gaussian but that also ...
-1
votes
1answer
13 views

How should I interpret MDD and ASD? [on hold]

I'm studying hedge funds and I'm looking at two figures that I'm not sure how to interpret: The first is Max Drawdown, which I see scaling from 0 to -30ish. Is Fund A with a MDD of -15 more or less ...
0
votes
0answers
27 views

How do I track implied volatility of specific delta?

I'm a newbie with respects to volatility trading and options. I recently purchased a book on the topic called "Trading Implied Volatility -An introduction" by Simon Gleadall. It's been one of the most ...
-1
votes
0answers
15 views

Self financing portfolio with safe position $X_t$ and $\phi_t=\Delta _t$ number of shares [on hold]

How to prove: If just the $\Delta_t$ delta at time t is given, how we can write down the safe position $X_t$ and then the portfolio is self financing.
-1
votes
0answers
24 views

how to obtain optimal portfolio with different borrowing and lending rates?

I have some risky assets and risk free assets and I am trying to find out optimal portfolio with constraints like following. Suppose I wish to obtain an expected return of 12%, what portfolio will ...
3
votes
1answer
37 views

Historical Financial Statement to Backtest in R

I would like to preface this by saying I am preparing for an upcoming internship this summer so I am extremely new to Quant Finance. At my university we have access to Datastream by Thomson Reuters ...
3
votes
1answer
27 views

Why Beta Distribution for Credit Migration

When modelling credit migration probabilities (e.g. AAA to AA), research has indicated the use of the Beta Distribution simply because it fits empirical data. My question is; What are some other pros ...
1
vote
3answers
66 views

Is there any way to easily estimate and forecast seasonal ARIMA-GARCH model in any software?

I use R to estimate a seasonal ARIMA(8,0,0)(5,0,1)[7] model for the seasonal differences of logs of daily electricity prices: ...
1
vote
0answers
23 views

Ibrokers: reqMktData extremely slow when adding tickers

I am trying to snap prices in R for the latest price for a list of stocks (around 150). When I snap them for 2 stocks, it's almost instantaneous: ...
1
vote
1answer
55 views

Which risk free rate is assumed by market when pricing american options?

I'm just started with finance, so maybe my question is dumb or answered elsewhere. Please guide me to relevant materials. According to put-call parity more time to expiration means more difference ...
0
votes
0answers
14 views

How to reduce the variability of investment returns by increasing average expected return? [on hold]

I will illustrate my question with a simple example: Say a stock called ABC is currently trading at 100.00, with an average expected return of 0% per year, and has a 50% probability of touching 90.00 ...
0
votes
0answers
9 views

Overnight charges for brokers holding stocks [migrated]

I'm trying to learn about stock markets. I eventually want to invest a small amount over a long period. I notice on a lot of broker sites they charge an overnight fee for any stock held over night. I ...
1
vote
1answer
32 views

Median value for geometric brownian motion simulation

I'm trying to simulate stock prices using GBM. I am using the following formula, and MATLAB function, to determine the stock prices: $\nu = \mu - \frac{\sigma^{2}}{2}$; $S = S0*\text{[ones(1,nsims); ...
-1
votes
0answers
28 views

How much less likely is a stop loss to be touched/hit after increasing expected return?

Firstly, let's say we have a stock ABC currently trading at $100.00 that has: (A) an expected return of 0% per year and (B) standard deviation of 20% per year Given these stats, the stock has a 50% ...
1
vote
0answers
25 views

Log returns and GARCH models

I try to model currency rates volatility using GARCH models through the RUGARCH package in R. Starting from the observed currency rate series, I compute the log-return through: ...
2
votes
1answer
40 views

Do we need Feller condition if volatility process jumps?

It is fairly known that in affine processes, as Heston model \begin{equation} \begin{aligned} dS_t &= \mu S_t dt + \sqrt{v_t} S_t dW^{S}_{t} \\ dv_t &= k(\theta - v_t) dt + \xi \sqrt{v_t} ...
3
votes
1answer
43 views

What are the empirical limitations to testing market efficiency?

I have encountered a rather elegant argument about the limitations of empirically testing for market efficiency, involving the central point that we do not know whether a result is due to the "true ...
1
vote
2answers
49 views

Free access to official real-time and intraday data for exchanges [duplicate]

Where can I obtain all official real-time and intraday data for exchanges — NASDAQ, NYSE, AMEX, OTC, CME, etc? I feel like the raw data is out there to be consumed and parsed at no cost (except the ...
1
vote
1answer
37 views

How does Reuters quote caps?

I'm wondering which curves should I use when passing from the Implied volatility to prices. When I read an implied volatility (for instance 3Y Cap strike 0.5%) the discounts and forward rate ...
0
votes
0answers
8 views

GARCH models on stata [on hold]

How do I impose non negativity conditions of GARCH models on Stata? when I fit a type of GARCH models in stata, some of coefficients became negative. what should i do about this? another is that the ...
0
votes
0answers
25 views

What is the best real time data feed - IQFeed, kinetick.com, etc?

This is my first post, and I know of quant's vast knowledge base of the users. Thanks in advance for any assistance. Any quantitative testing, benchmarking, expected lag, true numbers comparing all ...
1
vote
1answer
40 views

What are the units of the variables appearing in a standard stochastic differential equation for a Wiener process?

The Black Scholes model assumes the following form for the Wiener process describing the evolution of the stock price S: $dS=\mu S dt + \sigma S dX$ Clearly $S$ ...
1
vote
1answer
81 views

Python code to download historical firm data

I am looking for a Python code that scraps a website to download historical firm data such as market capitalization, dividend-yield, and so on. I have a code that downloads the current firm data from ...
1
vote
1answer
47 views

Am I in a long or short position in this case? (Cross hedging)

An airline expects to purchase 2 million gallons of jet fuel in 1 month and decides to use heating oil futures for hedging. The variance of the heating oil futures price is 1,5 times bigger then the ...
0
votes
1answer
50 views

Is this process predictable or not?

Consider a market model with two assets which are modeled as usual by the stochastic process $S^0$ and $S^1$, that is adapted to the filtration. Can anyone tell if this process is predictable or ...
-1
votes
0answers
32 views

How to calculate implied volatility of an american call option in excel VBA?

I am looking for a macro which calculates the implied volatility of an american option in excel. My approach is to use secant method with lower bound of zero and upper bound as IV of european call ...
0
votes
0answers
19 views

Comparison of actual running time of algorithmic trading software [closed]

I will have to do a project in my master degree. I am newbie in algorithmic trading. I understand the algorithmic trading software is a platform which user can write programs in it. Suppose I pick 2 ...
1
vote
1answer
51 views

Technical Analysis in FX: literature on effective methods

I am trying to use technical analysis method (Kagi and Renko method in particular) to analyse my high frequency data. I applied those methods over 1 year, 2 years and 5 years high frequency data. I ...
1
vote
1answer
31 views

Geometric Return & Performance Results for Quarterly Rebalancing

I have a Portfolio that is rebalanced every 3-months. The portfolio is made up of assets that have daily log-returns. I am a bit confused when charting the results using ...
4
votes
0answers
32 views

Calibration of nested pricing models consistently on two different classes of derivatives

Hi everyone, I'm programming in MATLAB and I have the following optimization problem in calibrating several nested specifications of pricing models. Summary: I have two pricing models ($1$ and $2$, ...
0
votes
1answer
34 views

Critical Appraisal of Approaches countering Parameter Uncertainty in Portfolio Optimization

It is very hard to come up with legit and solid advantages and drawbacks of the various approaches wich are trying to counteract parameter uncertainty in portfolio optimization procedures. In my ...
0
votes
1answer
17 views

Yahoo currency api

I've had a currency widget made for me which is based on http://query.yahooapis.com/v1/public/yql?q=select I am wondering if I can use it on my site, which even though it not more than a hobby could ...
1
vote
1answer
59 views

If the risk neutral probability measure and the real probability measure should coincide

Sorry if this may be a stupid question. I have not had that much mathematical finance, I've only learned about discrete time models. But lets for the argument say that you have a stochastic process ...
2
votes
2answers
84 views

Arbitrage and dominant strategies

If there is no arbitrage there is no dominant trading strategy, but there may be arbitrage opportunities even if there are no dominant trading strategies. Could you explain this statement and bring ...
0
votes
0answers
10 views

discounted price economic meaning

Could you please explain why we discount the prices using bank account or some numeraire, what is its economic meaning. Specifically The movement of the security prices relative to each other ...
0
votes
0answers
41 views

What is a good book for developing trading algorithms in C++? [closed]

I have intermediate programming experience (i.e. taken sophomore level CS classes in a very good program.) I am looking for references that focus on the design of automated trading algorithms mainly ...
1
vote
0answers
31 views

Jensen's alpha with timing activities

Why is Jensen’s Alpha not an appropriate measure of performance anymore, if the fund manager is a perfect market timer as stated for example in the Treynor-Mazuy-model or the Henriksson-Merton-model?
0
votes
2answers
25 views

Variance calculation

How could I calculate variance when I have a snapshot of a portfolio that shows the following for each stock: Purchase Price, Close Price, Change in value, Change in percentage, Shares owned, ...
0
votes
1answer
28 views

Component VaR is additive but at what level

I have a portfolio data as ...
1
vote
1answer
57 views

Arrow-Debreu Price in “The Volatility Smile and its implied Tree”

I was reading the old, but still interesting paper "The volatility smile and its implied tree" by Derman and Kani. I have a two questions about the derivation of the $2n+1$ equations, both of them ...
7
votes
5answers
276 views

Can classical economics explain *any* of the so-called stylized facts of finance?

I am doing some reading on the (historical) emergence of the Black-Scholes implied volatility smile for index options (yes - post 87), and I stumbled across an economic paper attempting to explain the ...
0
votes
1answer
34 views

Backtesting software with custom data input

I was considering to develop a custom backtesting platform for myself. However, I see that it would require some significant time and effort, and the result might not be as initially expected. So I ...
0
votes
1answer
27 views

Importing daily data: '-1' in volume column

I am working on importing some daily data from a public data source as csv format. The csv convention of the file seems to be that if data is not available for a field, a single white space is used ...

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