0
votes
3answers
38 views

Small question about normalization

Lets assume I want to normalize some stock data ( prices or log prices) to compare for different types of correlation for example. And here is the question how should I normalize: a) by subtracting ...
0
votes
0answers
11 views

Replicating portfolio of a “delayed” call on zero-coupon bond

Let $T < T_2 < T+D$ and $B(t,T)$ the value at time $t$ of zero-coupon bond of maturity $T$. We suppose its volatility to be a deterministic function of $t$ and $T$. Let's consider a "delayed" ...
0
votes
1answer
32 views

Compute bond price with more coupon payments in a year

If I have a 5-year bond, which pays every six months a coupon of 2.5% with a yield of 1.5%, should I split up the yield to compute the bond price? Or is below the way to compute it? $\displaystyle ...
0
votes
0answers
15 views

Is it possible to offer promoters of a public company to acquire only their stake?

I am preparing a project report and I am interested in suggesting to buy the promoter stake (34%) in a public company. Will I get into trouble with the Securities Board (like SEC) if I do that instead ...
0
votes
1answer
52 views

Symbols for options on gold futures

I have a historical data set containing only options on gold futures. If I print out a unique list of option symbols I get: ...
1
vote
1answer
49 views

Why normalize only data for CDSs for PCA?

I'm reading a Credit Suisse Research Report on PCA. The report says that to preprocess the data, you should "Centre data (and normalize when considering CDS data)." Why would you only normalize ...
1
vote
0answers
60 views

Getting Into Quant Field without Phd or Masters [closed]

I was wondering it is possible to get into a quant role without a masters or a PhD. And if so, what are the steps to do so? The only resources I've really been able to find speaking to this on ...
0
votes
1answer
70 views

How to get positions of your portfolio from Interactive Brokers with python ibPy?

I am using ibpy to get the positions of my portfolio. I understand that I can do: ...
6
votes
4answers
367 views

Is a stationary process necessarily mean-reverting?

Intuitively, a stationary stochastic process needs to be mean-reverting. This should follow immediately from the definition of stationarity: the mean of the process needs to be constant over time, so ...
1
vote
0answers
32 views

excel yearfrac 30u/360 across feb month end

Why are both of these formulas returning 1? One of them should be 3. =YEARFRAC(DATE(2015,2,27),DATE(2015,2,28),0)*360 =YEARFRAC(DATE(2015,2,28),DATE(2015,3,1),0)*360 Based on every description of ...
2
votes
1answer
205 views

Method for finding a arbitrage opportunity when market price of call is incorrect

The solution of the Black-scholes equation is the price of a European call. And the option price assumes the underlying stock is a geometric Brownian motion with volatility $\sigma_{1}>0$. ...
0
votes
0answers
56 views

Implied volatility from American options using python

I am currently trying to construct volatility surface from american option prices (using Cox-Ross-Rubinstein tree) in Python 2.7. Below you can find the code I came up with. Any corrections would be ...
3
votes
2answers
142 views

Reference for drawdown, look ahead bias and survivorship bias

I'm writing a PhD thesis and I am using terminology such as maximum drawdown, maximum drawdown duration, lookahead bias, and survivorship bias. Although I understand what these are, and they are ...
0
votes
0answers
45 views

Calculating Asset Returns

The question pertains to a simple phenomenon. There is gold futures listed on Exchange A and Exchange B. Exchange A and Exchange B overlap times with A and B starting 8 hours later and A and B ...
0
votes
0answers
18 views

Why does SOR post the order to the primary market if it cannot find best price to execute?

If a Smart Order Router cannot find the best price for an order to execute, it would post this order to the primary market. I think this is because the primary market has more liquid and more active ...
2
votes
1answer
70 views

Quick way to extrapolate call price as function of strike

Let's say I know the price of a call for two different values of strike. Is there a quick way to guess the price for another value of strike ? Actually, I know that C(100)=15 and C(90)=20 and I have ...
0
votes
1answer
27 views

Compute the (Net) Present Value

Let's have a project where we invest 1000 at the beginning of year 1 and 1000 at the beginning of year 2. At the end of year 2 the income is 2200 and the project is closed. Person A discounted with ...
1
vote
0answers
24 views

Calculate minimum IV increase to offset theta

How would one calculate the minimum implied volatility increase necessary to offset theta decay? IV is typically a percentage, while theta is a dollar value. In theory I think I could look at what ...
1
vote
0answers
24 views

EDGX, EDGA, Nasdaq and Bats-Z Pricing in 2011

I'm trying to find the fee and rebate structure of these 4 exchanges during year 2011, in the specific, I'm interested in the cost of posting a hidden Limit Order, in the cost of removing a visible ...
2
votes
0answers
48 views

Intraday versus daily volatility in slippage estimation

On page 21 of http://www.cims.nyu.edu/~almgren/papers/costestim.pdf Almgren has the formula $\displaystyle{\text{Slippage} = ...
1
vote
1answer
42 views

Determining swaption prices using the characteristic function

There exist multiple techniques to determine call option prices that make use of the characteristic function. These techniques boil down to some integral expression of the option price in terms of the ...
1
vote
1answer
27 views

Identity given in Shreve volume 1

in a solution to a question about random walks (5.3 i), Part of the answer includes the identity: $$\ln \frac{1+\sqrt{1-4 pq}}{2p}=\ln\frac{1-p}{p}$$ note that $p+q=1$ and $0<p<1/2<q<1$. ...
0
votes
0answers
19 views

How to understand the upward trend of currency hedged euro/japan equity ETF

The quantitative easing implemented in Euro zone & in Japan has resulted in two outcomes Massive inflow of money into market that raised the stock index, and The weakening of euro/yen compared ...
4
votes
2answers
102 views

Stationary distribution for square root process

Consider the process, $$ dX_t=(-aX_t+b(1-X_t))dt + \sqrt{X_t(1-X_t)}dW_t $$ How do I show that the stationary distribution for the transition density is a beta distribution? I tried expanding the ...
0
votes
0answers
57 views

bond price formula in excel

I inherited a excel spreadsheet that has the following code to price a bond given coupon and current yield ...
3
votes
5answers
203 views

CAC40 components historical data

I'm looking for historical data of the CAC40 components. I looked at these previously asked questions: What data sources are available online? Finding historical data for indices as well as Yahoo ...
5
votes
1answer
95 views

How to interpret the French-Fama SMB factor?

I regressed ten portfolios on the Fama French factors and get significant loadings on the SMB factor. However, if I look at the actual average market cap of these portfolios, the portfolios with the ...
2
votes
0answers
34 views

How to properly assess the costs of replicating an index via futures contracts?

I would like to validate this sentence, coming from a WSJ article: The cost of holding a Eurostoxx 50 future, for example, has climbed from an average of 0.07% of the contract value since 1998, ...
0
votes
0answers
18 views

Daily PnL Calculation with currency conversion and multiple trades at the same day

In my project I increase and decrease my position many times during the day and leave a part of the position open. Through these many trades the position can flip from long to short. At the end of the ...
0
votes
0answers
22 views

How to compute the Coskewness Matrix in excel?

I'm triyng to compare two portfolio based on same sample of equities returns. And i want to know how to compute the coskewness matrix without using VBA, only in excel. Even a simple example with three ...
0
votes
0answers
23 views

scale alpha forecasts to align with covariance matrix

I have a set of monthly alpha forecasts and my covariance matrix has been annualized. I would like to do a mean variance optimization with a linear tcost penalty term. How do I rescale my alpha ...
0
votes
0answers
47 views

Which bond corresponds to which curve?

Bond X has a coupon Bond Y is a zero-coupon bond (Maturity 2 years) Bond Z is a zero-coupon bond (Maturity 10 years) The following graph is given: X-axis: yield curve, Y-axis: price Question: ...
0
votes
1answer
100 views

Where can I get historical fundamental data for multiple companies in a single CSV file?

Summary I seek an explicit reference to a source that gives me a fixed URL, e.g. http://example.com/?isin=US1912161007 or ...
1
vote
1answer
119 views

How to evaluate a success rate of a trading strategy

In order to compare various trading strategies, I am trying to calculate the success rate (the ratio of winning and losing trades). While it is clear to me that this indicator is far from being an ...
0
votes
0answers
31 views

Invoice Discount pricing model

I was wondering whether there exist pricing models in particular for Invoice Discounting contracts and short-term financing solution where credit risk plays a major role. Specifically, assuming that ...
0
votes
0answers
73 views

building stocks screener using R and Quantmod

I am trying out R and Quantmod, my aim is to scan whatever stocks which match MACD crossover let's say 12 and 26 period, then print the stocks code on one Window. I have couple questions: How could ...
1
vote
1answer
44 views

Correlated Random Number Generation using Sobol?

There is a clear theory about generating correlated random numbers using Cholesky decomposition or PCA. I suppose if we apply above methods to random numbers generated using Uniform random numbers ...
0
votes
1answer
46 views

Raising money in IPOs

When a company goes into an IPO wouldn't they try to make as much money as they can? Then how come the Greenshoe option says that some would try to not issue additional shares just so their share ...
0
votes
0answers
31 views

How to compute short interest real-time?

Is there a way to compute real-time short interest (at least daily) using Bloomberg for a given stock?
1
vote
1answer
54 views

Limits on Short selling

When back testing an algorithm that relies upon short selling certain stocks, how to limit the short selling so that the back-test results still remain reliable? What kind of controls are generally ...
4
votes
2answers
141 views

Ito, Stochastic Exponential and Girsanov

This is a two-part question relating to the change of measure density used in Girsanov and secondly to the Stochastic Exponential. Whilst reading notes relating to Girsanov it is stated that the ...
1
vote
2answers
74 views

Transformation into Martingale

If $f$ is some function of BV on $\mathbb{R}$ and $dZ_t = f(W_t)dW_t + \mu_t dt$ ($W_t$ is a $1$-dimensional standard Brownian Motion), then what choice of real valued function $F$ makes: ...
1
vote
1answer
65 views

Why is rate of return on the stock normally distributed under GBM?

Let us assume the geometric Brownian motion, and we have $$dS_t= uS_tdt+\sigma S_tdz,$$ and $S_t$ follows a log-normal distribution, but why is $r_t$, the continuously compounded rate of return, ...
4
votes
0answers
36 views

Transition densities in the Heson model

Knowing the Characteristic function $\Phi_{T,t} = \mathbb{E} [ e^{i u S_T} | S_t, V_t]$ (or equivalently, the Laplace transform) of an affine process, it's possible to know the distribution of the ...
0
votes
0answers
28 views

Source for Normalized File of ETF Holdings [duplicate]

Does anyone know of a source for a data feed containing ETF Holdings for most ETF firms such as Ishares, Proshares, State Street? I know Bloomberg has this info, but I'm looking for a vendor that can ...
1
vote
1answer
41 views

Inferences with non-normal data

I have data of index closing values. I later will use to run some regressions on the percent changes. When examining the data, I find heteroscedastic residuals and that the distribution is non-normal. ...
1
vote
1answer
73 views

Different ways to identify a co-integrated series?

I have been reading and trying out stuff until I am totally confused and back to square one. Could someone please explain the difference between the two methods suggested below? Suppose I have 10 ...
1
vote
1answer
45 views

Time value of option not always leading to an increased option value

My understanding was that as you increase the time to expiry of an option, the value of the option increases. However, I have run a bunch of scenarios and have realized that if you assume a dividend ...
0
votes
0answers
6 views

Finding the price of an option that will be exercised [duplicate]

I am reposting this question because it was originally unclear, and I didn't get the answers I was hoping for. In my finance book I have the following question T-bills currently yield 5.5 percent. ...
1
vote
1answer
30 views

Time 0 value of an American Put in Cox-Ross-Rubinstein model

This is a question from a problem sheet which I have handed in and have solutions for. The only examples of this in class I have seen are examples where the interest rate is 0. "Consider a ...

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