# All Questions

34 views

### Reputational Harm

How would you measure the reputational harm incurred on an individual by an organization. How is Market Pricing in the expected payout resulting from the law suit by an individual ? The news breaks ...
30 views

### Delta-Gamma Neutral portfolio, derivation issue

Let $C$ be an option on an underlying $S$. I want to construct a portfolio $V$ using another asset $C_0$ such that the delta and the gamma of $V$ is the same as the delta/gamma of $C$, in order to ...
21 views

### forward curve and cap/floors in nowadays environment

I'm currently trying to get the implied volatility of a vanilla Euro floor with maturity 1Y with data from bloom. I have the price ( which is not supposed to take into account the first floorlet ...
25 views

### What is the difference between a book value and a market value?

0 down vote favorite I would like to understand the following problem. A 2yr zero-coupon bond has an annual yield rate of 11% per year. A 4yr zero-coupon bond has an annual yield rate of 19% ...
20 views

### Calculating the optimal portfolio for an investor with quadratic utility

The problem is from Asset Pricing and Portfolio Theory by Back and can be found here. The relevant info from section 2.5 can be found here. Given that we have the Expected value and the variance of ...
170 views

37 views

### Self-financing strategy in the Hull-White bond model

I am having troubles with solving a particular problem concerning the self-financing portfolio in the Hull-White model (dr={phi(t)-ar}dt+sigmadW). Consider an expiry-T_0, Strike-K cll-option on a ...
28 views

### Use of Black-Scholes Model on Guaranteed Fund Investment

I am stuck with a revision question at home on Black-Scholes pricing model. The question is on a fund manager selling one unit of the fund to a customer for S(0) at time 0 and then guaranteeing at ...
116 views

### What does the “-E” mean at the end of a CBOE options symbol?

Below is are some option quotes taken directly from the CBOE website. I am wondering what the -E, -4, -8, -A, -B, -I, -J etc..that are at the end of the options ...
36 views

### Show that Z(t)/Z(0) is a positive mean-1 martingale

We look at a standard no dividends Black-Scholes model and here we have a process Z, which is defined by: Z(t)=(S(t)/H)^p , where H is a positive constant and p=1-2r/sigma^2 I am now asked to show ...
99 views

### Why does the volatility smile flatten as maturities increase?

First, I can't find a purely "financial" explanation for this. Also the only mathematical explanation I've found so far was using the large deviations theory, which is quite complex. Is there a ...
14 views

### Finding optimal ewma and number of periods usedas features in a time series regression

I am using an exponential moving average (ema) to smooth the return of a price time series. I then want to use the last n periods (features) as the independent variables of the time series to predict ...
42 views

### Share price of Precision Imaging Corporation of America on March 13, 1991

Where can I find the share price of Precision Imaging Corporation of America, Inc. on March 13, 1991? I realize the company no longer exists and the shares are now worthless but I would like to know ...
19 views

### Why are housing bubbles so unavoidable? [closed]

I'm new to financial systems, but find them intensely fascinating. My question is pretty straightforward: seeing the role that real-estate markets play in financial booms and crisis, why are housing ...
33 views

### Method to combine trading signals to achieve higher sharpe

There are a few thread with the question of methods to combine different trading signals/strategies. But is there any method that can ensure that by combining two signals, we can achieve a better ...
19 views

### computation involving independent increments

One can rather easily show that E[$\sum_{i = 0}^{i = n - 1}W_{t_i}(W_{t_{i + 1}} - W_{t_i})]$ = -T + $W_T^2$. What I'm confused about is why we can't simply say that for each i, $W_{t_{i}}$ is ...
32 views

### Heston model with Jumps

I am a relative newbie in finance and dont know most things about quantitative finance and trying to learn stuff and working on the heston model for now. My question is this: Heston model can be used ...
21 views

35 views

### Positive VaR when calculation on Total Return Indexes?

I recently saw a VaR calculation, and I was wondering whether that calculation made sense. Here the details: 1. Construction of a total return bond portfolio index. By total return I mean that the ...
33 views

### How to pull stock exchange names for a list of tickers, bloomberg?

How to pull stock exchange names for a list of stocks with tickers, on bloomberg? Please advise the steps so as to paste the list of tickers without having to type tickers one by one.
87 views
+50

### Non-Negative Matrix Factorization - Estimating the Mean

How do you estimate the mean in a Non-Negative Matrix Factorization framework? It is obvious and well known how to estimate the covariance matrix, how ever I also need the estimated mean. I'm ...
29 views

### Can the Minimum Variance Hedge ratio be greater than 1?

The Minimum Variance Hedge ratio is defined as: $h = \rho * \frac{\sigma_S}{\sigma_F}$ For correlation $\rho$ and $\sigma_S , \sigma_F$ for S.D. of changes in asset and future prices accordingly. ...
12 views

### Adjusting simple volatitly for a VaR calc

I'm reviewing a VaR estimate adjusting a simple annualized volatility to an unwind period of x days - in this case for an equity position, using the following formula for a given annual volatility : ...
42 views

### Conditional expectation of a non stochastic process

In an example I was working through it was shown that $W_{t}^{2} - t$ was a martingale with respect to the Brownian motion filtration $\mathcal{F}_{s}^{W}$ with $t>s$. Everything was fine except a ...
57 views

### Computing the minimum variance portfolio

Given two risky assets and their corresponding covariance matrix, how do I compute the global minimum variance portfolio, its standard deviation and its expected return?
39 views

### Quantiles, Value-at-Risk and log normal random walks…

Sorry, that's probably quite a bunch of silly questions, but I just got lost a bit and need to dot all the i's and cross some t's :). Let's say we have a series of returns (like this one we may get ...
36 views

### Under what circumstances would one want to delta hedge a straddle

Under what circumstances would one want to delta hedge a straddle option? This link explains: ...
25 views

### Reuters RIC chain for Eurodollar midcurve options

Can someone please tell me what this is? Thanks. Edit: The RIC for the straight eurodollar options is 0#GE+, I need RICs for the 1,2,3,4 mid curve options which the IMM/IOM calls GE0, GE2, GE3, ...
38 views

### Using multiple regression to determine coefficient that feed into another multiple regression problem

Ok so it is a bit of a complicated problem so I hope I explain this well. I currently have a multiple regression formula where I input 3 items and the output is expected growth. Each of these input ...
114 views

### How to pull an exhaustive list of securities traded globally, on bloomberg?

I need to extract an exhaustive list of securities with CUSIPs and ISINs on bloomberg. This data needs to be on a global level. Can someone help with the formulae on bloomberg please? Cheers, G
23 views

Suppose that you have a portfolio whose composition is uncertain. If you regress the portfolio returns on known factors (e.g., Fama-French 3-factor), can you use the loadings to determine (in general) ...
56 views

### Actually benefiting from logistic regression to estimate probability of default

Does anyone know any events where using logistic regression to estimate probability of default has led to a bank, financial institution, government or anything really to benefit in practice? I see a ...
36 views

### Here is an approach for measuring Data Snooping; is it new?

I came up with an approach for measuring data snooping, or overfitting. My question is whether this approach was published and expanded-on already, or is it new? My approach relies on the observation ...
95 views

### Radon-Nikodym derivative and risk natural measure

I need help with my understanding of changing probability measure. Im not a mathematician so I hope for answers that are not too technical. As shown in this Wikipedia article ...
21 views

### at c(x)% “where x is a numerical figure”, what does that c mean?

When i read financial news, sometimes, there is cX% (where X is a number). Below are few examples: 1. "improving to c4% on a proforma basis" 2. "market share is now c6% of the ..." What does that c ...
18 views

### Good Exam FM book for Stocks

I am currently studying for the actuarial exam FM and I just took the practice online exam. Unfortunately I am at a 60-70% level and I would like to get that to at least an 80% by April. I think I ...
46 views

### biggest rally data collection

Where can I find data for biggest rally(price rally) in a day? If this sort of information is not readily available, how could I produce/transform such data?
40 views

### Bootstrapping zero-rates from AUD swap rates

I have a pay fixed / receive floating interest-rate-swap on the AUD BBSY that I'd like to price for the purposes of accounting. I understand the general process to be as follows (assuming ...
13 views

### Complicated American style option contract with numerous non-standard features (simultanous exercise, additional premium, etc.)

I want to value the following contract for times $0<t<T$, i.e. determine $V(t,\cdot)$ where $\cdot$ refers to all other dependences (strike, spot, volatility, etc.). The contract is long and ...