1
vote
1answer
129 views

What is the difference between these two Expected Shortfall definitions?

I have come across different ways expected shortfall is defined. e.g. $$ES_a(X)=\frac{1}{1-a}\int_a^1VaR_b(X)db$$ and $$ES_a(X)=\frac{1}{a}\int_0^aVaR_b(X)db$$ e.g. on Wikipedia's article. Are these ...
1
vote
1answer
147 views

Can you explain me these comments on high frequency data?

I was reading some slides on high frequency data and i came across these statements: data discreetness induces high degree of kurtosis and Non synchronous trading and risk premium are ...
1
vote
1answer
101 views

Risk minimization by investing in all assets with positive expected return

Suppose I have an amount $T$ to invest and $N$ available assets. The stochastic return per invested unit of asset $i$ is $R_i$. The variance and the expectation of $R_i$ are $\sigma^2_i$ and $\...
1
vote
1answer
55 views

portfolio optimization with uncertain returns

What is the usual method of dealing with many uncertain mean returns in portfolio optimization? For example say you have a 3 asset portfolio with assets A, B and C. All the correlations and variances ...
1
vote
1answer
51 views

Does a call calendar lose its entire value if underlying increases well past the strike?

If I buy a call calendar spread, and the underlying increases, both options are in the money by the expiry of the short call. So both options increase in value, but the short one increases less ...
1
vote
1answer
35 views

What is the strike of a short put that mimics a covered call

If I am long a stock $X$ which I purchased at $\$100$ and sold a covered call in the front month with strike $\$105$ for $\$2$ then is it true that the covered call is equivalent to a naked put at ...
1
vote
2answers
1k views

Why a calendar spread is a preferred strategy in a low volatility period

What is it about a calendar spreadas opposed to other spreads(e.g vertical spread) that makes it such a popular strategy for a period of low implied volatility? Is it that when low volatility turns ...
1
vote
2answers
55 views

Incorrect characterization of spot rate?

Is the t in the red boxed $R(t,T)$ supposed to be the same as the S in the green boxed $R(S,T)$?
1
vote
1answer
111 views

Daily or weekly data?

I am trying to test a strategy but do not know if I should use daily or weekly data? I have tried researching this & have found that daily data will bring " too much " noise compared to lower ...
1
vote
1answer
76 views

How can I forecast future correlation?

There are some standard models for forecasting volatility (e.g., GARCH) and for forecasting returns (e.g., factor models). What kind of standard models exist for forecasting future correlation between ...
1
vote
1answer
123 views

Does DV01 grow proportionally to portfolio?

I'm having trouble understanding DV01 convention. From what I understand it stands for "Dollar value of 1 basis point." For instance, if I have a bond with DV01 = 0.05, does a portfolio composed of 1,...
1
vote
1answer
309 views

Market data for options

Looking for recommendations on places to get market data for options. I'm looking at NYSE and NASDAQ only. My current solution is my broker, Tradeking. I can request realtime data for 700 option ...
1
vote
1answer
249 views

constrained portfolio optimization in matlab

I am working through this paper, http://www.nber.org/papers/w8922.pdf I want to implement the portfolio weight constraints see page 6-7. Here is the brief overview of my problem: Let ...
1
vote
2answers
437 views

How can I create a public viewable stock market index?

I have 3,000 tickers that I would like to turn into a weighted index, viewable by the general public by going to Yahoo and typing in ^PSNDX (for example) or go to E-Trade and enter something similar. ...
1
vote
1answer
81 views

On a source for a mean-variance portfolio optimization result

In the context of a mean_variance framework consider an optimizing investor who chooses at time $T$ portfolio weights $w$ so as to maximize the quadratic objective function: $$U(w) = E[R_p] - \frac{\...
1
vote
1answer
219 views

Why model the variance-covariance matrix as an inverse-Wishart distribution in bayesian portfolio analysis?

I am following Risk and asset allocation (Attilio Meucci,2007). I must say I am enjoying this reading quite a lot so I hope nobody takes my question as a critique on the text. When we are introduced ...
1
vote
1answer
114 views

European vanilla call/put option, when volatility increases, how will gamma changes?

according to the BS formula, $\gamma = \frac{N'(d_1)}{S_0\sigma\sqrt{T}}$, gamma will decrease when volatility increase. How does it intuitively make sense? rather than from the formula.
1
vote
1answer
984 views

Bloomberg equity option volatility data

Using the Bloomberg open API, I am trying to program a C++ script that is able to download option volatility data from Bloomberg. I currently do not have access to Bloomberg, but in the coming week I ...
1
vote
2answers
509 views

Why is the vega of an at the money option so insensitive to movements in volatility? I.e, why do ATM options have such little Vomma?

I've been trying to understand why at the money options have very little vomma. I was reading and came across a graph that showed vega as volatility changes and I couldn't grasp how the relationships ...
1
vote
1answer
992 views

InteractiveBrokers server outage every Saturday

I am fetching some historical data from Interactive Brokers with their API. But I got a bit of annoying their HongKong history data server ('hkhdm' in the connection status window) get disconnected ...
1
vote
3answers
513 views

Portfolio Optimization - Zero beta portfolio

I am trying to solve a optimization portfolio in R in which I do the following constraints: Set weight sum to within a boundary Set return to a certain value Set portfolio beta to 0 The purpose ...
1
vote
1answer
487 views

Where can I find US public company bankruptcy data

I am doing a thesis about firm survival in time of crisis (2008-2009) and I would like to know where can I find publicly available database about company bankruptcy. Since I have thousands of ...
1
vote
1answer
652 views

Feature for Maching Learning(SVM) in High Frequecy Order Book?

I am trying to implement machine learning to predict the movement of bid and ask price but is unable to find the proper feature for training set. I am using Support Vector Machine for binary ...
1
vote
2answers
857 views

Why is the price of a call option with $K=0$ equal to the price of the stock $S_0$?

In a case of a call option with strike $K=0$, then payoff at expiration time $T$ is equal to: $$(S_T-0,0)^{+}=S_T$$ In reality the price of the option on the date of maturity is never equal to the ...
1
vote
1answer
190 views

Can a null be inconclusive? [closed]

My Null for the T-test is h0: -tcritical < Tstat < +tcritical I require confidence level of 95%. If my empirical result satisfies the null, but not my p-value requirements, does this mean ...
1
vote
2answers
3k views

Bloomberg Libor Rates

I load swap rates data from Bloomberg in excel using the command =BDH(Ticker,"Px Last",Start_Date,End_Date,"Dts",FALSE) The tickers I use are "USSW1 Curncy", "...
1
vote
2answers
64 views

Multicasting with FIX

I have a scenario in which a FIX server will send to multiple clients. I have found examples in which this is done by sending to each session round-robin fashion however, is there any facility in FIX ...
1
vote
1answer
114 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?
1
vote
3answers
756 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 ...
1
vote
1answer
204 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 ...
1
vote
1answer
1k 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
396 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
104 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 ...
1
vote
2answers
293 views

What Matlab packages to I need as a Risk Analyst?

What toolbox are more suitable for a risk analyst. I found this: Optimization toolbox Global optimization toolbox Econometrics toolbox Financial toolbox Statistics toolbox And also I have as a ...
1
vote
2answers
267 views

Dupire model and Local Volatility model

In the context of Option pricing model. Is there a difference between the Dupire Model and the Local volatility model ? Thanks Achal
1
vote
1answer
84 views

Index for Hedge fund, Private Equity, Venture Capital

We have index for stock market, like S&P500, Nikkei 225, etc. I wonder if we have any index for hedge funds, private equity or venture capital?
1
vote
2answers
203 views

what volatility do we calculate using GARCH model

what volatility do we calculate using GARCH model, Historical vol or Implied vol or Future Vol or Actual vol.
1
vote
1answer
204 views

Historical Implied Volatility Calculation

I'm trying to calculate implied volatility for the FTSE 100 for the last few years. I have all the end of day data from LIFFE for the last few years. I have combined the data by weighting the ...
1
vote
1answer
147 views

What are the dynamics of the reverse of this FX process?

Assuming the dynamics of the exchange rate between two currencies at time $t$ is given by: $$ dX_t=\Delta r X_t dt+ σ X_t dW_t$$ Is the FX Reverse process $\frac{1}{X_t}$ a brownian motion? How can ...
1
vote
2answers
120 views

Where to get master list of mutual funds?

I cant seem to find a straight answer anywhere on Google for this. I would like to create a master list of all known mutual funds and their ticker symbol. Is it possible to get this data from Edgar'...
1
vote
1answer
207 views

Implied volatility and pricing of vanilla options

As far as I understood, implied volatility (IV) is a lucky parametrization of the vanilla option's price. That is, instead of deciding how much the call worth now, you can decide on its IV and put ...
1
vote
2answers
93 views

Anybody knows the answer to this exercise found in PWIQF?

I got this question from the last exercise of chapter 2 from "paul wilmott introduces quantitative finance" book. Appreciate your help.
1
vote
1answer
53 views

Risk-free arbitrage given a volume oracle?

Given a magical oracle who can correctly predict the volume, but not the price, of a given security, does there exist a risk-free arbitrage to capitalize on this information?
1
vote
1answer
1k views

Where can I find literature (books, articles, etc.) about basic HFT / arbitrage strategies? [closed]

I am not looking for your winning strategies. Just the basic stuff from where to start. Can anyone share their opinions about what should I read to hit the ground running?
1
vote
3answers
633 views

forward implied volatility skew

I would like to calculate implied forward volatility skew. I have stochastic volatility monte carlo. What kind of payoff do I need to price and how to use Black() formula to calculate the implied ...
1
vote
1answer
203 views

Efficient Frontier Derivation: why minimize half the portfolio variance instead of just the variance?

In Robert Merton's derivation of the efficient frontier of a portfolio, he minimizes $\frac{1}{2}\sigma^2 $ over the investment weights in each asset, where $\sigma^2$ represents portfolio variance. ...
1
vote
2answers
73 views

Is it possible that a security with a positive variance can have a required return that is less than the risk free rate?

I'm not sure of the answer but I think it's possible. What I don't get is what characteristics this asset would need to have and why it would mean that an investor would accept a return less than the ...
1
vote
1answer
81 views

optimisation problem with linear constraint

I have an optimisation problem. I wish to maximise a function subject to a constraint. It is the constraint that is causing me problems. I am using an addin in Matlab which does the optimisation ...
1
vote
1answer
76 views

Why interest rate future does not support fed policy on reducing assets buying?

Using the 3-mon eurodollar interest rate futures, I construct a yield curve each year for 2015-2021 using sampling date from the end of the month. If you graphed this out, you would see that the ...
1
vote
1answer
661 views

detecting and measuring lead lag effect

Given two time series data. I remember there is one statistics that tells you one is the leading factor while the other is the lagging factor. However, i do not remember the exact details. correlation ...

15 30 50 per page