0
votes
2answers
152 views

float64 to store price data: is precision sufficient?

I am looking to store equity price data in a hdf5 table. The use will be purely as a historical archive, not as day-to-day data source. Options One option would be to store base10 significand and ...
0
votes
1answer
51 views

Is the price of a binary call not monotonous with vol for OTM

Is this true and how would you prove it
0
votes
1answer
135 views

Cobb - Douglas Production Function

let's say that we have complete data on the sample of companies about their capital (K), labor (L) and materials used in the production (M) and the total output of each company. Let's have ...
0
votes
1answer
114 views

Index creation from multiple time-series and variable weights

I am trying to compose one index out of several (three) indices with variable weights, 50%, 25% and 25%. After normalizing and calculating the log returns, what would be the best way to create the ...
0
votes
2answers
43 views

American put on a foreign currency

I know that For an American-style put option, early exercise is a optimal for deep in-the-money options. In this case, it may make sense to exercise the option early in order to obtain the profit ...
0
votes
1answer
54 views

Data on banks’ leverage

Does someone know free resources to estimate the leverage of the banking and financial sector at an aggregate level? In particular I would be interested in something like Federal Reserve’s Flow of ...
0
votes
1answer
51 views

how to use known premium of options to determine premium of options with another strike?

Assuming constant volatility across all strikes, how to use known premium of options to determine premium of options with another strike? e.g. suppose we know premium of \$40 call and put, \$50 call ...
0
votes
1answer
1k views

Where can I find literature (books, articles, etc.) about basic HFT / arbitrage strategies? [closed]

I am not looking for your winning strategies. Just the basic stuff from where to start. Can anyone share their opinions about what should I read to hit the ground running?
0
votes
3answers
88 views

What is meant by “position at a given time” in the context of a series of forex trades?

Suppose you are only talking about a single currency pair, say EUR/USD. Throughout some period of time, you engage in trades with various other parties, sometimes buying, sometimes selling. The rates ...
0
votes
1answer
229 views

Why does the price of a convertible bond go up if the CDS spread goes up?

Looking at convertible bond prices in a commercial pricing tool, which is based on a model of Black-Scholes volatility plus a Poisson process of jump to default, I noticed that increasing the spread ...
0
votes
1answer
127 views

Finding historical data for indices [duplicate]

Where can I find historical data for option prices on a given index ? Ideally I'd like to find for a period of several months 1) historical prices on options on a given index 2) historical prices on ...
0
votes
3answers
154 views

Calculation of weekly P/E ratio

The P/E-ratio is defined as $$ \frac{\text{Market value per share}}{\text{Earnings per share (EPS)}} $$ I have weekly observations of stock prices, but what measure should I use for EPS? Should it ...
0
votes
3answers
3k views

Which library shall I use for time series analysis in Java?

I'm looking for a library to do some time series analysis in Java but I can't find anything suitable. I've found plenty of libraries such as Math3 of JSAT but there's much I can you for my problem. ...
0
votes
2answers
287 views

Explanatory variables for regression predicting weekly stock returns

In an empirical analysis I'm trying to predict log() weekly stock returns. I'm trying to model stock returns in a panel data model framework. As explanatory variables I have 1) a measure of investor ...
0
votes
1answer
73 views

How do I find the mappings between sedol and isin codes?

I am looking at data for Unit Trusts and OEICs in the UK. They are identified by SEDOL or ISIN codes. Given an SEDOL, how can I find the ISIN associated with the same product? And given an ISIN, ...
0
votes
2answers
1k views

Technical analysis in Python - source of knowledge

I did my best, but I could not find answer for this one - is there any good and in-depth source of knowledge about using Python for technical analysis ? Obviously, there are plenty of tutorials, blogs ...
0
votes
2answers
151 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?
0
votes
2answers
77 views

Infinite autocorrelation - Unit root?

I have a time series of gold prices, on which I want to build an ARIMA model. The series is autocorrelated and if I can difference as often as I want, it always is. First: data: d1gold Dickey-Fuller ...
0
votes
2answers
514 views

Beta of FTSE100 stocks against benchmark index FTSE100

first post so if I write something silly don't hold it against me. I calculated beta for almost all the stocks that compose the FTSE100. All have beta < 1. This, as far as I understand it, means ...
0
votes
1answer
118 views

investors hold efficient portfolios because generally they are risk averse

I'm trying to find a concept on this question,in my understanding investors differ on risk preference,the question said investors hold efficient portfolios because they are generally risk averse? ...
0
votes
1answer
236 views

What does it mean if $\beta$ is insignificant in the CAPM model?

What can we say about an asset which $\beta$ calculated using the CAPM model (regressing the excess returns of the stock vs excess returns of the market) is insignificant?
0
votes
1answer
49 views

GNP/GDP and modelling [closed]

Is GNP a continuous, static or a dynamic model ? What about GDP ? What I do know is that it has yearly discrete values. However, when it is modeled, it becomes a continuous graph. So what exactly is ...
0
votes
3answers
317 views

Modeling Financial Time Series

Price time series are not stationary. So we difference them and get the return time series, which are stationary. Does this mean, it is always a good idea to model only the return series of financial ...
0
votes
3answers
720 views

Databases for storing and querying high frequency tick-level data?

My firm is looking for an out-of-the-box database system to store and query high-frequency tick data. What are the best options? It seems that kdb+ is the market leader in this field.
0
votes
1answer
134 views

How to derive equivalent martingale measure using Ito's Lemma

Can someone explain how to get equation 27.14 below? I understand the first usage of Ito's Lemma to get $d(\ln f-\ln g)$ but I do not understand how to use Ito's Lemma to go from $d(\ln \frac{f}{g})$ ...
0
votes
1answer
146 views

Derive instantaneous forward rate

Given that $P(0,T)=e^{-RT}$, how does one get the formula for the instantaneous forward rate below? Specifically, how does one get to the partial derivative in the formula? I'm sure the answer is ...
0
votes
1answer
74 views

Making portfolios better than others for a 16 week portfolio game? [closed]

I'm going to participate in a game of making portfolios. The objective of the game is to make the portfolio with the bigger ROI over 16 weeks. Over each week every player can see the ROI of each ...
0
votes
1answer
156 views

list of ADR's by volume or market cap

I'm looking for a list of ADR's (for a simulation) that I can screen by either market cap or volume? If anyone knows of a free way to get such a list it would be much appreciated.
0
votes
2answers
167 views

Accessible HTF? (Slippage reduction)

I designed an strategy that operates with 30-second bars on e-mini SP500. It works fine in the back-testing and the out-sample, also performs well in every walk-forward test I have tried. But, when ...
0
votes
3answers
508 views

Trading spot volatility

I am reading a paper that very briefly talks about some volatility arbitrage strategies. It's so brief that I do not exactly understand how it works. It says one of the strategy is based on "short ...
0
votes
1answer
495 views

Difference between VaR and credit VaR?

Quick question: is there a difference between credit VaR and VaR or are they the same thing?
0
votes
1answer
141 views

Volatility swaps historical data

I am preparing a study about Volatility and Variance Swaps. Does anyone know where I can found historical public data regarding this instruments? Thanks!
0
votes
2answers
181 views

How to obtain specific information on FX trading systems?

I'm trying to compare trading venues using a quantitative product selection matrix (and eventually software vendors using a different matrix specifically for vendors), and I was wondering if anyone ...
0
votes
1answer
1k views

Asset-or-nothing Option Valuation in the Black and Scholes model

In standard Black-Scholes Model, compute the price of an asset-or-nothing put and asset-or-nothing call options. Write down the put-call parity relation between the asset-or-nothing call and put ...
0
votes
1answer
43 views

What is shorting a asset that has negative price. Can anyone give me an example? [closed]

What is shorting a asset that has negative price. Can anyone give me an example?
0
votes
1answer
68 views

How does buying back stock affect a company's credit spread?

How does buying back stock affect a company's credit spread? Would it cause it to get smaller? Any clarification would be appreciated.
0
votes
1answer
596 views

I want to keep a column in getSymbols or get.hist.quote with the Date as as.Date format [closed]

I use getSymbols to download historical information over an environment with 200 tickers but I cannot seem to keep the date information from becoming an index. I ...
0
votes
1answer
113 views

Change of order size

For example I am put a limit order of size 10 at top bid. moments later, my algorithm detects we should have size of 50 here. So we request a update on this order. My question is, will we lose the ...
0
votes
1answer
80 views

Are proof-of-work systems used by exchanges?

Are there any proof-of-work systems used by exchanges? If not, are there any interesting proposals worth reading? In principle, there might be applications for proof-of-work systems in preventing ...
0
votes
1answer
135 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
2answers
261 views

How is holding an European call option equivalent to holding an asset-or-nothing call option and writing a cash-or-nothing call option?

The cash-or-nothing call option has a payoff that is equal to the strike price. All three options have the same expiry date.
0
votes
2answers
91 views

Calculate price of index from underlyings (weightings included)?

I have a day's worth of LSE data (FTSE100 companies) and I also have their weightings for the FTSE100. Ignoring the net present value of money, how do I calculate the current value of the FTSE? I ...
0
votes
1answer
214 views

Is the risk-reward ratio considered in Quantitative Finance?

Many discretionary traders swear by risk-reward ratio, as in "The minimum risk-reward ratio for a Forex trade is 1:2." Do quantative traders use risk-to-reward ratio as well? If so, how do you ...
0
votes
4answers
914 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
722 views

Determine state price vectors?

I have 3 states with two assets, stocks and bonds. The bond has a payoff of 1 in every state of the world. And the stock has a current price of $S_0 = 100$ and ...
0
votes
1answer
325 views

Calculating Greeks in Covered Calls?

Just want to confirm whether Delta, Gamma, Theta, Vega will be calculated in the following way? Since we own 100 shares of stock while selling a call we need to subtract greek value from one? right? ...
0
votes
1answer
384 views

How to plot custom hourly data into R with quantmod?

I'm trying to get into R because for some personal project, I need R and quantmod to create OHCL charts for me. I'm stuck at the candleChart creation step, and I'm not sure I understand why. Using a ...
0
votes
1answer
119 views

VIX Calculations/Which product?

If the spot VIX is the implied vol off of the options on the SPX Index. But which tradable product would that be? Can’t you technically only buy ETF’s that track the SPX (SPY) or buy the ES futures. ...
0
votes
1answer
493 views

backtesting with open, close, high and low

I am quite notice at the business of backtesting for an automated strategy. I was wondering, can I/should I use High and Low for this purpose? On one hand, the algorithm will see these prices, but on ...
0
votes
1answer
190 views

Asynchronous Data Across Time Zones - RiskMetrics

I'm currently involved with a project to integrate RiskMetrics into our business and one issue we've identified is the treatment of market data timing across time zones. This can have the effect of ...

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