1
vote
2answers
54 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) ...
2
votes
2answers
55 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
54 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.
2
votes
0answers
94 views

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 ...
0
votes
1answer
42 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
0answers
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 : ...
2
votes
2answers
46 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
61 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?
0
votes
1answer
48 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 ...
0
votes
1answer
52 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: ...
0
votes
1answer
38 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, ...
0
votes
1answer
51 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 ...
1
vote
3answers
128 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
0
votes
0answers
28 views

Can you use factor loadings to determine portfolio information?

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) ...
0
votes
1answer
68 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 ...
1
vote
0answers
45 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 ...
4
votes
1answer
108 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 ...
0
votes
1answer
29 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 ...
0
votes
0answers
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 ...
0
votes
1answer
49 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?
0
votes
1answer
56 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 ...
0
votes
0answers
17 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 ...
0
votes
1answer
82 views

constrained portfolio optimization by fmincon

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 ...
0
votes
2answers
88 views

Breaking Down Option P&L

I am comparing the MTM valuations of two risk systems, with respect to FX Options. My Question is can I quantify the difference in MTMs given the following: System1: AUD/JPY, MTM = USD 461,000, ...
-1
votes
2answers
74 views

Bid/Ask vs Low/High

I am trying to gather historical data for experimental reasons (intellectual curiosity) and am having trouble understanding how that data is calculated. First some data gathering on AAPL from Feb. ...
1
vote
0answers
128 views

Trading Strategy Code [closed]

I am an undergrad student and for a final project I'm looking to create a trading algorithm (doesn't have to make money just needs to make sense and run). I'm coding in C++ and have fairly limited ...
-1
votes
1answer
26 views

Discounting factor depends on [closed]

Does discounting factor only depends on issuer, or it also depends on structure of payments ( i.e. fixed or float)? Thank you in advance.
4
votes
2answers
104 views

Variance swap replication and variance vega

Noob here. I've been trying to gain a better understanding of variance swaps and what better way than to replicate it with a portfolio of better understood instruments. I have read the GS 1999 ...
3
votes
1answer
89 views

Regime Switching for Dynamic Correlations

I would like to implement a Regime Switching for Dynamic Correlations in an out-of-sample analysis using MATLAB. After looking at the literature on the subject, they all refer to an article by Denis ...
3
votes
3answers
272 views

Is CAPM a failure?

CAPM says that in order to generate high returns I need to take more systemic risk. But the ex-post results do not seem to validate this theory. There is a ETF SPHB - PowerShares S&P 500 High ...
1
vote
0answers
24 views

price engine configuration [closed]

My question is about forming market data which is received from the LPs. Some tools work with these parameters: min spread, max spread, bid spread, ask spread. If current spread < min spread or ...
0
votes
1answer
47 views

Online algorithm for selecting smoothing parameter?

In Online Algorithms in High-frequency Trading the authors demonstrate online, exponentially-weighted algorithms for mean, variance, and linear regression. The authors estimate their smoothing ...
0
votes
1answer
41 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
71 views

Deposit vs. LIBOR rates? (Bloomberg/SuperDerivatives)

I noticed that Bloomberg and SuperDerivatives both use "Deposit Rates" for the calculation of forward points for currencies. I couldn't find anything online that describes precisely where these rates ...
1
vote
0answers
59 views

How to hedge a long stock with the corresponding volatility ETF

Let us say I want to establish a market neutral position. So if I buy 50 shares of stock (SPY) and I want to delta hedge, I sell an ATM covered call. So that brings the position delta to 0. Now, I ...
0
votes
1answer
32 views

What is the difference between BBSW and AUD LIBOR?

I understand that BBSW is the reference rate for financial instruments while AUD LIBOR is the interbank rate benchmark. However, since AUD LIBOR has been discontinued due to the rigging scandal, can ...
2
votes
4answers
188 views

Copulas simply explained

I try to understand the basic idea of copulas, however I am still struggling and hope that someone can help me. I understood that in general a copula is a function which links several marginal ...
2
votes
0answers
22 views

What methods - inspired by Haavelmo’s Structural Econometrics - can show that a partial equilibrium model is unreliable? [closed]

According to Spanos 2014 Revisiting Haavelmo's Structural econometrics: Bridging the gap between theory and data Dynamic Stochastic General Equilibrium models are statistically inadequate, in such an ...
0
votes
1answer
14 views

When the two time series with different length, how could we analysis them with a bivariate GARCH model?

At this moment, i need to do the analysis of rouble/us dollars exchange rate and the stock market index in Russia, I prefer to do that in a multivariate GARCH model. However, I have a question about ...
4
votes
1answer
85 views

Can I add the greeks of individual postions to obtain greeks for the portfolio

I understand that the delta of an option portfolio is just the sum of the deltas of the individual option positions. What about the other Greeks like gamma and vega? Do the vega and gamma of a ...
3
votes
1answer
123 views

Backtesting on historical option data

I have downloaded some daily historical option data for a timespan of 10 years and want to perform trading backtests with them. Data are European index options, on ODAX. My question is about realistic ...
3
votes
1answer
88 views

When do CDS curves yield arbitrage opportunities?

In CDS markets we can sometimes observe inverted CDS curves or unusually steep curves. I am just wondering at what level certain curves become non-realistic. E.g. if we have 500bp for the 1-Year ...
0
votes
2answers
34 views

How do I use BIC (Bayesian Information Criterion) to estimated model AR (auto regressive) lag?

In financial research papers, I have seen several times that the lag length in an ARMA model has been determined using BIC. Do the researchers estimate the lag length before considering other ...
2
votes
1answer
59 views

Why annualized return and cumultive return aren't equal over 1-year period with Performance Analytics package in R?

I use Performance Analytics package in R to compare annualized and cumulative return of a portfolio. My expectation is that both should be equal over a period of 1-year but results tell me I'm wrong. ...
3
votes
1answer
107 views

Do you have a good application example of Approximate Dynamic Programming?

Have you ever tackled a finance problem with Approximate Dynamic Programming? I have only used dynamic programming for simple examples like a optimal extraction in mining. Do you have canonical ...
1
vote
0answers
39 views

How to value a Binary Option using market data?

Is there a way to calculate the price of a binary option (i.e., an option that pays out 1 dollar when the stock price hits $x$ amount) using market call/put option prices, forward prices, etc. for a ...
2
votes
0answers
33 views

Is Geometric Brownian Model suitable for long term price forecast?

I was thinking of using Geometric Brownian Motion to forecast future prices of timber (say one variable, the stumpage price of sawtimber). I tested the time series with Augmented Dickey-Fuller test ...
0
votes
0answers
42 views
3
votes
1answer
61 views

How to prove the “Law of one price” theorem?

There are two subparts to Fundamental Asset Pricing theorem. The Law Of One Price (LOOP thereafter) holds if and only if there exists a state price vector. In a market in which the LOOP holds, the ...
1
vote
1answer
96 views

Why gamma and theta have opposite signs?

I saw some textbooks use B-S equation to explain why gamma and theta have opposite signs in most of the cases. For example, John Hull's classic book. The explanation is, first write B-S equation in ...

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