1
vote
1answer
24 views

De-annualizing a target alpha return

apologies if this is not the correct place for this type of question, but I just want to confirm if the following de-annualization is correct. if a manager states that he will earn 200 bps of target ...
0
votes
0answers
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 ...
1
vote
1answer
79 views

Feature Selection Effect on Deep Multi-Layer-Perceptron for Financial Applications

I am trying to build a machine learning system for financial price prediction. I am using a 3 layer MLP (a deep network) with 3 outputs (buy,hold,sell). I am using different features such as price ...
2
votes
2answers
50 views

Black Scholes: How does it help to transform uncertainty and still not be able to calculate a fair price?

Recapitulating the history of Black-Scholes: Nobody knows the fair price of options. Revolution: BS! You put in all the parameters and get a price -> A Nobel Prize for that one! Wait: Nobody knows ...
1
vote
0answers
64 views

Differential of stochastic term

Question 1: How does one come up with the equation in the red box below? It looks like some kind product rule, but I'm not sure how to apply Ito's lemma here. Bjork doesn't seem to explain it ...
6
votes
2answers
2k views

Fastest news feed APIs targeting high frequency trading?

The Dow Jones elementized news feed API seems to stand out but are there any other machine readable news feeds out there that provide very low latencies that high frequency operations may peruse? I am ...
1
vote
1answer
27 views

Forecast 3m LIBOR USD. Budget purpose

How can I calculate/budget/find a expectation for the 3 month LIBOR for the next 3monts-4 years? I am calculating a CF scenario on USD 3month Libor + margin. With swaps and fixed rate this is easy, ...
1
vote
0answers
33 views

Bayes Stein Porfolio Implementation

From this paper from Jorion. Has anyone implemented this? How is the Covariance matrix estimated? It needs to estimate also the conditional distribution of the returns? Best
1
vote
1answer
65 views

Is printing money really a bad thing?

I have 2 related questions about increasing money supply: (I know high school level economics.) 1) In an economy which has low growth and deflation, is it at all a bad thing to print money? In fact, ...
0
votes
0answers
30 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 ...
0
votes
1answer
13 views

Build spot rate curve with multiple treasuries for each maturity

I have the following treasuries: T 0 1/4 01/31/15 at 100.1236 T 2 1/4 01/31/15 at 101.1257 T 0 1/4 02/15/15 at 100.1251 T 4 02/15/15 at 101.9994 T 11 1/4 02/15/15 at 105.6269 T 0 1/4 02/28/15 at ...
0
votes
3answers
330 views

How to create a model or formula for evaluating trade opportunities

I want to build a formula to produce a score for a potential trade based on 4 variables, time, return, liquidity of security, and probability of failure. For a set of potential trades I first ...
0
votes
0answers
13 views

Are the converses of these propositions on forward rates and bond prices true?

The class notes: Are propositions 1 and 3 converses of each other? If not, are their converses true? Why or why not? It seems like the converses should be true by the following: ?
1
vote
0answers
23 views

What is the filtration described?

What is the filtration $(\mathfrak{F}_t)$ encircled below? Is it $(\mathfrak{F}_t) = (\sigma(W_t)) = (\sigma(\tilde{W_t})), t \in [0,T]$? Or is it $(\mathfrak{F}_t) = (\sigma(\hat{W_t})), t \in ...
1
vote
1answer
20 views

Differential equation involving bond price and forward rate

Given forward rate f(t,T) and bond price P(t,T) where $f(t,T) = - \frac{\partial}{\partial T} \ln P(t,T)$, $P(T,T) = 1 = P(t,t)$, T>0 and $t \in [0,T]$ Does it follow that $P(t,T) = ...
14
votes
4answers
540 views

Variable Selection in factor models

Let's say you have a dependent variable and many independent variables. What are the preferred metrics for sorting and selecting variables based on explanatory power? Let's say you are not concerned ...
5
votes
2answers
301 views

Pricing options under restricted domain

How would I price an option when the underlying security is unable to trade above a certain price? I assumed this would be as simple as restricting the limits of integration of the PDF to B (the ...
1
vote
1answer
36 views

Numerical delta of Bond Options

I'm trying to calculate the delta for bond Call options. I'm using the vasicek model which gives the following solution for a Zero-coupon bond call option: $Z = N P(t,S) \Phi(d_1) - K P(t,T) ...
4
votes
1answer
115 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 ...
1
vote
0answers
27 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 ...
1
vote
1answer
39 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 ...
1
vote
2answers
292 views

Why is that a risk averse consumer buys the optimum insurance when there is actuarially fair insurance?

I think I understand the fact that when marginal utilities of the same function are equal (a consequence of the actuarially fair insurance), the independent variables in it must be equal -- right? But ...
1
vote
3answers
113 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
1
vote
1answer
40 views

Can wavelets be effectively used to approximate the market value of an illiquid instrument?

Considering less liquid instruments can have a higher degree of volatility especially on lower time frames (1-tick or 1-second), is it possible to effectively use wavelets to reduce the issue of noise ...
2
votes
1answer
34 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 ...
7
votes
6answers
3k views

Why Drifts are not in the Black Scholes Formula

This question has puzzled me for a while. We all know geometric brownian motions have drifts $\mu$: $dS / S = \mu dt + \sigma dW$ and different stocks have different drifts of $\mu$. Why would ...
10
votes
4answers
6k views

How should I calculate the implied volatility of an American option in a real-time production environment?

There are many models available for calculating the implied volatility of an American option. The most popular method, employed by OptionMetrics and others, is probably the Cox-Ross-Rubinstein model. ...
0
votes
1answer
55 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 ...
0
votes
1answer
76 views

Get market cap by ticker on 1.7.2013?

I have a list of all S&P500 tickers, e.g. AAPL, GOOG, JPM. I would like to get their market cap on 1.7.2013 (I don't have Bloomberg, only free internet). Is there an excel addin or other ...
0
votes
0answers
13 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 ...
0
votes
1answer
31 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.
1
vote
1answer
18 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 ...
1
vote
2answers
30 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 ...
1
vote
1answer
40 views

Local Vol Model (K, T) to (St, t)

I'm new to local volatility model. From Dupire's paper and most of the textbooks, they derived the local vol $\sigma(K, T)$ in the $(K, T)$ (i.e., strike and maturity) space, from call price or ...
1
vote
1answer
61 views

Commonly used vol surface calibration model in the industry

I have 2 questions: What is the most commonly used equity option pricing model? I learned jump diffusion at school, read about Hensen and a few other models online. I am actually only calibrating ...
0
votes
0answers
18 views

Why are housing bubbles so unavoidable? [on hold]

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 ...
1
vote
0answers
32 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 ...
2
votes
2answers
227 views

Locked or Crossed Markets

I don't understand why Rule 610 from Reg NMS was introduced: what was the problem with locked markets? I have read that one of the issues is that it forced a market maker (say, from Nasdaq) who ...
2
votes
1answer
32 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 ...
0
votes
1answer
71 views

negative probabilities in the bivariate tree heston model

I am trying to implement the bivariate tree approach for the Heston model by Beliavea & Nawalkha. I currently have the problem that given the specifications in their examples, I always obtain ...
0
votes
1answer
45 views

For Probability of Default in retail credit what is more popular logistic regression or GLM with Poisson distribution and why?

Trying to understand which regression model is more popular in retail credit card industry Logistic regression or GLM with Poisson distribution and why?
2
votes
2answers
240 views

List of 2008 NACE Rev 2 codes

Am looking for a simple list of the NACE 2008 rev 2 codes (The European classifications for economic sectors). The official publication is here, but is there an easily accessible list of the actual ...
2
votes
3answers
405 views

Transaction Data with Participant ID

For my master thesis, I need high-frequency data with the market participant ID or which identifies the trading parties, respectively. I don't need the entire orderbook but just the matched orders ...
0
votes
2answers
139 views

Disclosure of the liquidity provider identity in ITCH

If you look into the description of Nasdaq ITCH data, you see two types of order entries in the book: Message of Type A and F. Under type F, you will see the identity of the market participant (MPID). ...
0
votes
1answer
38 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 ...
2
votes
2answers
40 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 ...
0
votes
1answer
26 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. ...
0
votes
2answers
243 views

Intermarket analysis - related time series?

I'm about to embark on training a neural network on daily forex data, with a view to obtaining a predictive network. I'm also interested in using data other than the forex currency pair data itself, ...
1
vote
2answers
90 views

is there an accepted method for quantifying risk of inaccuracy of nascent trm systems?

Have a somewhat meta question here. I am part of a trading risk management implementation project. I also manage day to day risk reporting to management and the trading desks. Our implementation was ...
0
votes
1answer
55 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?

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