0
votes
2answers
125 views

Why is that maximizing stock value, under uncertainty, is a better option than maximizing profits?

I've been trying to access the papers that state that kind of problem, but most of them need payment for access and I am on a student budget. I know that maximizing profits=maximizing stock value in ...
0
votes
1answer
135 views

Where can I find historical data for volatility estimation?

I'm trying to estimate volatility following Shreve book, so I need observations of $f(t_j,t_j+\tau_k)$ and $f(t_j+\delta,t_j+\tau_k)$, where $t_J<t_{J-1}<\dots<0$ and $\tau_k$ are relative ...
0
votes
1answer
74 views

Adjusting open, highs and lows for past monthly stock prices?

I'm looking into modelling monthly stock prices and want to start off by using data from Yahoo Finance. I know that the closing prices given there are adjusted for stock splits and dividends, but ...
0
votes
1answer
53 views

how market makers set the time factor to calculate option greeks on the expiration day?

how market makers set the time factor to calculate option greeks on the expiration day? does they set time equal 1/24or 2/24 when only 1hour or 2hour left? what frequency market makers update new time ...
0
votes
1answer
124 views

Can one use the Greeks (delta,gamma,theta) to show that the Black-Scholes call formula satisfies the Black-Scholes PDE?

If so, is there a derivation anywhere that shows this? I was told that this could be done in a class but I don't see how it's possible.
0
votes
1answer
196 views

Close price or adjclose price to calculate volatility?

To calculate volatility, which price in FTSE table is used? When do we use close price for calculating volatility? Do we use adjclose (adjusted close price) for calculating volatility as well? when ...
0
votes
1answer
129 views

What are the good book to understand economics? [closed]

I am currently studying managerial economics by W. Bruce Allen. The book is good. Are there any good book with quizzes , that makes economics sweeter? Books that relate to real world facts and figure ...
0
votes
1answer
67 views

PWIQF excercise solution

I am software developer with no previous experience or knowledge in finance and have recently been starting to build my knowledge in this area. I am working through the book: Paul Wilmott Introduces ...
0
votes
1answer
144 views

Debt vs. Equity?

What determines whether an investment should be made using debt vs. equity? For example, startups are often financed with equity, while mortgages are always financed using debt. What characteristics ...
0
votes
2answers
201 views

Avoiding negative spread in pairs trading

I'm constructing money-neutral spread by this formula: Spread = log(P1) - log(P2), where P1 and P2 is prices of two instruments But sometimes spread can get into ...
0
votes
3answers
202 views

hedging with known volatility

Suppose we have a stock $X$ at which trades at 100 dollars. We suppose the stock follows a geometric brownian motion. We know that the interest rate is zero and annual volatility is 10 percent. How ...
0
votes
1answer
200 views

S&P500 components at specific date [duplicate]

I am trying to reproduce a method presented in a scientific paper. They used the following dataset: daily closing prices of S&P500 stocks (the first 100, alphabetically by ticker, with a full ...
0
votes
1answer
185 views

How to backtest the VaR model?

I have a sorted historical P&L vector of 250 days and say, I want to calculate the 90% VaR on this distribution. I will look for the 225 element (90% * 250 = 225) and this will be my Value at ...
0
votes
1answer
1k views

S&P's Sovereign Ratings: Clarification on Definitions and Symbols

Similar to a question I asked earlier on, but I am now looking at S&P's sovereign ratings. Here, as in the case of Moody's, a few things are unclear to me in terms of the definitions used by ...
0
votes
1answer
334 views

How do I simulate stock prices for a 10 asset portfolio, over a period of 10 years in MATLAB? [closed]

If I have given vectors for return and volatility (i.e. I have two 1x10 vectors), and I assume at first that their correlation is 0 (meaning my covariance-variance matrix is just diagonal), how do I ...
0
votes
1answer
163 views

Estimate the market maker's price from the posted Bid/Ask and Trade price

If I see a Bid at 181.77 and and Ask at 181.78 for SPY and then immediately see a trade filled at 181.77 on BATS, then what can we conclude about market making activity? i.e At what price did the ...
0
votes
1answer
254 views

Interpolation on CDS rates

I am just wondering if there is any way we could calculate a CDS Spread (not harzard rate) on a CDS curve. Most of the papers that I have come across so far discuss about interpolating the hazard ...
0
votes
1answer
129 views

what is considered material information? [closed]

I'm trying to understand what is considered "material" information held by an executive of a company. There is company information that an executive (say insider) will know that a public investor will ...
0
votes
1answer
556 views

Is there a difference between crossing network and ECN

Is there a difference between a crossing network and an ECN? The wikipedia page for Crossing Network says that ECN is a type of crossing network. But crossing network has the smell of a semi-legal ...
0
votes
1answer
85 views

How does a cross trade pose a problem to the retail investor

How does a cross trade pose a disadvantage to the retail client. In this explanation It says: ...
0
votes
1answer
168 views

Expected payoff and weighted average price

Settings Let you're trading a security whose probability to be equal to $S_{T}$ at time $T$ follows a p.d.f. like the ones in the picture below. (That is just an example found with Google images, ...
0
votes
1answer
399 views

How can I calculate the Cumulant-Generating Function in Matlab?

Let $M(h)$ be the moment-generating function, then the cumulant generating function is given by $$K(h)=\text{ln}M(h)=\\ =\kappa_1h+\frac{1}{2!}h^2\kappa_2+\frac{1}{3!}h^3\kappa_3+\ldots$$ where ...
0
votes
1answer
131 views

What is the realized volatility's estimation error?

Given an estimation procedure and real data, how would one compute the mean squared error? What value represents the "true" realized volatility in the case of calculating the Mean Squared Error in ...
0
votes
1answer
343 views

IB with R which package?

I want to implement my models in R and trade according to them with my IB account. Now I am wondering, how I should solve this problem? Do I need to program with C an access ...
0
votes
1answer
121 views

Choosing a weak learner

I want to compare different error rates of different classifiers with the error rate from a weak learner (better than random guessing). So, my question is, what are a few choices for a simple, easy to ...
0
votes
1answer
112 views

Why does the SMA and EMA appear to be relative to the timeframe?

Why does the value of the SMA and EMA for the current time appear to change when I change my timescale. I'm using ActiveTrader by Fidelity, but I'm hoping there's an general phenomenon so that someone ...
0
votes
1answer
666 views

Question about weighted midpoint formula

The answers from these two replies seem to contradict each other. The first numerator is bidSize*bidPrice + askSize*askPrice but the second is bidSize*askPrice + askSize*bidPrice. Price functions ...
0
votes
1answer
734 views

converting US tickers into Reuters RIC [duplicate]

I have a large list of US equity tickers such as: "GIRO", "ITUB", "BITA" etc and I would like to convert them into their corresponding RIC codes. Do you know how can I do it? I have access to ...
0
votes
1answer
85 views

Implementing Orders with Interval Estimates

There's a better chance that stock price reaches an interval, say between \$16.91 and \$16.97, then a single price, say \$16.95. Hence, I generate an interval for a target price, instead of a single ...
0
votes
1answer
663 views

Relationship in Order Book between S&P500 and S&P500 Futures Contracts [duplicate]

What is the relationship between E-mini SPX futures and the SPX index. Besides the obvious, one is cash the other is a futures product. How does buying/selling in one product influence the other. If ...
0
votes
1answer
115 views

Difference between Ibovespa full and mini futures contract

What is the difference between the following two Brazilian futures contracts: The Ibovespa Futures Contract The Mini Ibovespa Futures Contract As far as I can tell, both are priced in Brazilian ...
0
votes
4answers
777 views

compute sharpe ratio for options?

Calculating sharpe ratio for shares is a straight forward task: (average returns - risk free ) / standard deviation. However i remain baffled as to how to tackle the task for options, can someone ...
0
votes
1answer
955 views

Deriving the par-yield curve

Given for example 6 bond prices and their respective 6 cashflows over a time period of 6 years, I have managed to derive the zero-coupon yield curve using the bootstrap method. However, it got lost ...
0
votes
1answer
94 views

Plain vanilla risk parity with trends forecasting power

I have built an asset allocation model (plain vanilla risk parity) but I would like to adapt the initial asset allocation with respect to potential futures changes in the trends of the assets under ...
0
votes
1answer
261 views

adjusted close prices on SP500

When I look at the adjusted close prices of SP500, for example, I notice that the numbers are always significantly below the actual closing. In the explanation of what adjusted prices are, one gets ...
0
votes
1answer
299 views

Delta in Covered Calls?

Just want to check whether i understand it correctly: Long Calls have positive delta Long Puts have negative Delta Long stock has 0.01 delta 100 Shares have 1 delta Therefore: Covered Call = 1 ...
0
votes
1answer
416 views

Question about option theta

I have a question about a option theta. When I evaluate the option theta of near expiry put option using Black-Scholes formula given the data as follow: Index Level = 20,500 Strike Price = 20,000 ...
0
votes
1answer
366 views

Where can I get real-time equity options quotes for a reasonable price (i am not a company) besides screen scrapping Yahoo! Finance? [duplicate]

Want to have electronic access to equity options quotes in real-time. Is there anyone offering this service to the individual investor for a reasonable price? Again it must be electronic, in other ...
0
votes
1answer
372 views

How to compute a sector's volatility within a portfolio?

Assume I have a large portfolio of equities spread across three sectors. I am attempting to compute the volatility of these sectors within the portfolio considering the cross correlations among the ...
0
votes
1answer
66 views

Liquidity and Prices

Do fewer transaction costs and higher liquidity relate to lower market prices? Are there any good resources that deal with these topics in more detail?
0
votes
1answer
1k views

how to chain monthly excess returns into annual?

I want to calculate annual excess returns on portfolios using monthly returns for a CAPM (for the assets in the portfolio as well as for the benchmark), in order to have more information on the ...
0
votes
1answer
116 views

Symmetry of option-implied probability density

I was wondering whether the option implied probability density of the log returns: $x = \ln\left(\frac{S}{S_0}\right)$ with S the value of a certain stock, is always symmetric ? I was asking myself ...
0
votes
1answer
389 views

Non-intuitive correlation between S&P sector indexes and economic indicators

I am trying to understand how changes in economic indicators like Unemployment Rate, Inflation Rate, and Consumer Sentiment affect the portfolio values. For that I want to measure the correlation ...
0
votes
1answer
106 views

Analyst Forecasts for monthly unemployment rate

Are there any resources that tabulate past analyst forecasts for the monthly unemployment rate along with the dispersion of the forecasts
0
votes
2answers
705 views

expected value of the discounted payoff

I don't understand the following statement: The price of a contingent claim is the expected value of the discounted payoff value under the risk neutral probability measure Q defined in complete markets ...
0
votes
1answer
183 views

Floor and Cap problem

So I have a problem from Marcel Finan's "A Basic Course in the Theory of Interest and Derivative Markets." We are going over floors and caps, covered puts and covered calls. Consider the following ...
0
votes
2answers
375 views

Matlab; How to specify Coupon frequency for Interest Rate Swap

I'm trying to price an interest rate swap and would like to change the default coupon payment frequency from 1 a year to 2 or 4 a year. I'm using ...
0
votes
1answer
193 views

Grokking Stochastic Oscillator for Stocks

In software, I'm trying to implement the Stochastic Oscillator (see here), and I'd like to figure out a few things. Let's say I use standard inputs 14, 3 and 3. If my 14 is for intraday ticks, what ...
0
votes
2answers
172 views

monthly contract volume required for penny increments?

Have the exchanges disclosed their criteria? Does anyone have a best guess based upon observations of volume (however you wish to define it)? Please no qualitative answers.
0
votes
1answer
105 views

Assessing Forcasting with Correlated Residuals

Trying to use a linear regression model to forcast the CPI. I noticed that when I took a moving average of the residuals, though homsokedatisc and nonautocorrelated(ie they squiggle up&down with ...

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