2
votes
1answer
172 views

When does an ETF take out expenses?

When does an Exchange Traded Fund (ETF) take out expenses (for example 0,3% on a yearly basis)? Does it happen daily, or once yearly or according to some other scheme? Where does it take them from?
10
votes
1answer
324 views

What weights should be used when adjusting a correlation matrix to be positive definite?

I have a correlation matrix $A$ for an equity market that is not positive definite. Higham (2002) proposes the Alternating Projections Method, minimising the weighted Frobenius norm $||A-X||_W$ where ...
8
votes
3answers
649 views

What strategy would benefit most from having the fastest connection to the exchange?

Imagine that you have the fastest connection to the exchange (receive quotes 1 ms earlier than everyone else) for both stocks and derivatives. How would you benefit from this? Of course almost any ...
6
votes
1answer
263 views

Which is a more appropriate choice of risk measurement in a utility function, CVaR or VaR?

What is the consensus on which risk measure to use in measuring portfolio risk? I am researching what is the best risk measure to use in a portfolio construction process for a long/short option-free ...
7
votes
1answer
779 views

What are the most common/popular exotics in the interest rate markets these days?

By "exotic" I mean anything that is not a plain vanilla swap, swaption, cap or floor. Also any IR hybrids if appropriate. Possible examples would be: CMS and CMS spread options Multi-callable swaps ...
4
votes
1answer
408 views

Should cointegration be tested using close or adjusted close prices?

When doing cointegration tests should I use the adjusted close price or just close price for the time series? The dividend of each stock is on different dates and can cause jumps in the data.
6
votes
2answers
2k views

How to extrapolate implied volatility for out of the money options?

Estimation of model-free implied volatility is highly dependent upon the extrapolation procedure for non-traded options at extreme out-of-the-money points. Jiang and Tian (2007) propose that the ...
7
votes
1answer
3k views

What is the reason for the convexity adjustment when pricing a constant maturity swap (CMS)?

I'm trying to wrap my head around pricing a Constant Maturity Swap (CMS). Let's imagine the following deal: 6m LIBOR in one direction, 10y swap rate in the other. The discount curve is derived from ...
4
votes
2answers
191 views

Are there financial instruments that make a bet on traded volume instead of price or its derivatives?

For most financial instruments we can go long or short and make a bet on the price. In the case of options we can bet on derivatives of price and other factors (e.g., interest rates). Is there an ...
6
votes
2answers
4k views

What is a medium to low frequency trading strategy and why is it less hyped?

The term high frequency trading has been used quite often recently to refer to trading using real-time tick data (or data aggregated to few seconds) and having an intra-day holding period. How are ...
8
votes
1answer
430 views

Has any research used Bayesian networks to estimate risk factor betas?

Is there any published research on estimating the beta of a security with respect to one or more risk factors via Bayesian networks? I'd like to see if this is a promising angle of research.
4
votes
1answer
215 views

What procedure do leveraged ETFs use to limit losses?

I've skimmed through more than one ETF prospectus trying to find the procedure for clamping losses at the limits of an ETF, and so far, no help. Has anyone found a description of the "clamping" ...
2
votes
1answer
206 views

In a covered call strategy, should I hold the call or sell/roll if the delta becomes too small?

I am tweaking a covered call algorithm. The short leg consists of out of the money call options. The goal is to collect the tim premium, but an equally favorable circumstance is when the call ...
12
votes
2answers
1k views

Cleansing covariance matrices via Random matrix theory

I am exploring de-noising and cleansing of covariance matrices via Random Matrix Theory. RMT is a competitor to shrinkage methods of covariance estimation. There are various methods expressed usually ...
4
votes
5answers
24k views

How to calculate unsystematic risk?

We know that there are 2 types of risk which are systematic and unsystematic risk. Systematic risk can be estimate through the calculation of β in CAPM formula. But how can we estimate the ...
11
votes
2answers
637 views

Can you replicate an option on an arbitrary basket of stocks?

Since a market index is nothing more than a basket of stocks, you can create your own index by putting together stocks of your choice. The only difference is that you can trade options on major ...
2
votes
0answers
257 views

What does T statistics of Information Coefficient indicate?

Hi I am looking for a clear explanation of T statistics concept. Especially in quantitative equity portfolio management context, what does T statistics of monthly Information Coefficient for one ...
5
votes
1answer
437 views

What is the forward rate for a Black-Karasinski interest rate model?

I was wondering if anyone could help me with the instantaneous forward rate equation for a Black-Karasinski interest rate model? I was also after the Black-Karasinski Bond Option Pricing Formula.
1
vote
0answers
797 views

Historical S&P 500 Stock Weights [closed]

I'm looking for histocial weights of S&P 500 constituents. I have access to a Bloomberg terminal. Any thoughts on how/where I might calculate/find these data? P.S. I'm looking for as much data as ...
0
votes
0answers
123 views

Getting the actual distribution of a stock price at time T using implied volatility [duplicate]

Possible Duplicate: How to derive the implied probability distribution from B-S volatilities? Let's assume a stock price S, with volatility $\sigma$ constant, no dividend, and risk free ...
7
votes
1answer
799 views

Why does the following data fail my cointegration test?

I have some closing price data for two Australian banks which track each other very closely. http://dl.dropbox.com/u/12337149/stat/CBA.csv http://dl.dropbox.com/u/12337149/stat/WBC.csv Code from ...
7
votes
5answers
4k views

What are your opinions on WEKA KnowledgeFlow, Rapidminer, and other rapid development environments for machine learning?

Which is the most extensible? Which is the most efficient in terms of a minimal learning curve while providing a meaningful degree of flexibility and performance? Any of these tools really limited ...
7
votes
2answers
390 views

What are the typical “realized latencies” across different products and infrastructures?

Latency has been a hot topic for a while, first in the industry and more recently also in academia. It is very common to hear about milliseconds, even microseconds. While most of the media attention ...
5
votes
1answer
423 views

Applying models with normality assumption on tick data?

Beginner question. Having read a couple of papers and book chapters on high-frequency data forecasting, I'm surprised (and confused) that the same time series techniques can be applied to ...
6
votes
0answers
398 views

Probability distribution of maximum value of binary option?

A binary option with payout \$0/\$100 is trading at \$30 with 12 hours to expiration. Assuming the underlying follows a geometric Brownian motion (hence volatility remains constant), what ...
5
votes
2answers
300 views

How can one determine approximately what percentage of options trades are buyer-initiated vs. seller-initiated?

How can one determine approximately what percentage of options trades are buyer-initiated vs. seller-initiated? What measures of order flow are available specifically for options, preferably for ...
7
votes
1answer
165 views

How to handle coupon payments when pricing a bond with an embedded option?

I'm using a binomial tree to price a bond that has an embedded call or put option. On every node that has a coupon payment, do you include the coupon payment then max/min out the value, or do you ...
9
votes
1answer
316 views

What are the major characteristics of natural gas volatility and options?

Seasonality is a big deal in the natural gas markets. My understanding is that they are broadly divided into summer and winter, with seasonality in both price and the volatility. What does this ...
6
votes
2answers
304 views

Where can you find data on non-trading stocks?

My data source for end of day prices only gives the prices of the trades during the day. If a stock stops trading/goes out/moves to another exchange|changes symbol. I never hear about this. My ...
21
votes
6answers
4k views

Why is an inverted yield curve a problem?

Immediately preceding the worst of the financial crisis, my professors all pointed out to me that the yield curve had inverted -- short-term yields were more risky than 20-year or 30-year Treasury ...
8
votes
1answer
38 views

What are useful indexes for rapid evaluation of country economic risk?

The World Economic Forum Global Competitiveness Report offers a comprehensive view of individual country risk/reward. There has been an explosion of these types of indexes over the past few years. ...
6
votes
2answers
328 views

What is the denominator in calculating daily range as a percentage?

Assume a stock had an open of \$100 and a close of \$102. If the high of the day was \$103 and the low was \$99, the daily range is obviously \$4. What is the best way to express the daily range in ...
6
votes
1answer
709 views

How to perform basic integrations with the Ito integral?

From the text book Quantitative Finance for Physicists: An Introduction (Academic Press Advanced Finance) I have this excercise: Prove that $$ ...
9
votes
4answers
170 views

Are there any valuation models of securities that use hyperbolic discounting?

To quote Wikipedia: In hyperbolic discounting, valuations fall very rapidly for small delay periods, but then fall slowly for longer delay periods. This contrasts with exponential discounting, in ...
11
votes
3answers
1k views

How to detect regime change when estimating asset correlation from historical time series?

Suppose I have two asset time series, $X_t$ and $Y_t$, and I'm estimating their correlation from historical data. I'd like to apply some systematic criterion to estimate what time window I should use ...
13
votes
2answers
199 views

How reliable is Benford's Law in forecasting crises?

I was recently reading an article about how financial accounting has increasingly deviated from the ratios expected by Benford's Law. (Benford's Law and Decreasing Reliability). The author discusses ...
17
votes
4answers
173 views

What are the effects of turning a backed currency into a fiat currency?

I hear a lot of debate over the removal of the U.S. Dollar's precious metal backing and the subsequent inflation rates, but is there any proven relationship between unbacked currency and extreme ...
4
votes
2answers
176 views

How do earnings estimates respond to changes in underlying fundamentals and economic conditions?

Sell-side analysts' earnings estimates for individual companies, typically reported by I/B/E/S, are a key ingredient to many quantitative models. However, revisions to analyst estimates tend to lag ...
23
votes
1answer
2k views

Is my trading strategy search methodology sound?

I'm building an algorithmic trading business. I'd be grateful for informed comments and opinions on my trading strategy search methodology. Goal Develop (profitable!) fully automated intra-day ...
8
votes
3answers
551 views

Reference on Markov chain Monte Carlo method for option pricing?

I have to implement option pricing in c++ using Markov chain Monte Carlo. Is there some paper which describes this in detail so that I can learn from there and implement?
11
votes
2answers
755 views

How to forecast expected volatility from high-frequency equity panel data?

I'm wading through the vast sea of literature on realized volatility estimation and expected volatility forecasting (see, e.g. Realized Volatility by Andersen and Benzoni, which cites 120 other ...
2
votes
1answer
1k views

How to get started in quant finance? [closed]

I am a programmer and I have no finance background. I am looking for advice as to how to get started in the quant finance industry. My goal would be to have solid understanding about the industry and ...
11
votes
4answers
1k views

How to optimally allocate capital among trading strategies?

I'm trying to find an optimal way to allocate capital among trading strategies. "Quantitative Trading" by Ernie Chan claims on page 97 that the optimal fraction of capital to allocate to a given ...
2
votes
0answers
487 views

How to Calculate Risk of Ruin [closed]

I'm reading a book titled "A Trader's Money Management System" and it discusses risk of ruin(ROR) tables. It says that you can have a zero probability of ROR with a payoff ratio of 2 to 1 and a win ...
8
votes
2answers
972 views

Why doesn't Black-Scholes work in discrete time?

I have a question considering Financial markets in discrete Time: One of the main theorems in discrete time is: In finite discrete Time with trading times t={1,...,T} the following are equivallent: ...
8
votes
1answer
1k views

What is the average Sharpe ratio of volatility arbitrage funds?

Where can I get data on performance metrics for volatility arbitrage funds? I am trying to compare the Sharpe ratio of my strategy to those of the major players.
7
votes
2answers
234 views

What do we really mean by put-call ratio and how should it be expressed?

I need to calculate the put-call ratio for an American option. But I'm a complete naïf: I don't know how. I think I'd use the put open interest and the call open interest. I can imagine two ways to ...
8
votes
2answers
532 views

What is a reasonable upper bound on the performance of a daily trading strategy?

I am backtesting an equity trading strategy which trades only once per day. Is there a general rule of thumb for the reasonable upper bound on the rate of return of such a strategy? For example, a ...
5
votes
2answers
312 views

How to define and measure liquidity or funding premium in credit markets?

Even companies with just a single non-callable corporate bond outstanding will often have CDS quote spreads that differ from the bond quote spread. During the 2008 crisis, there were dozens of cases ...
4
votes
2answers
402 views

Choice of prior as a shrinkage target in portfolio construction?

There's various research showing how priors such as the minimum variance portfolio turn out to be a surprisingly effective shrinkage target in portfolio construction. The sell point of these priors ...

15 30 50 per page