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5
votes
3answers
254 views

Platform for Quantitative equity portfolio

What are the most popular platforms used for quantitative equity portfolio management/research? I've only used Barra so far for their factor models. Is there any specific feature or model you think ...
1
vote
1answer
57 views

Calculating short/long order percentages?

I have a feed in real time that lists the ask and bid orders. Each order consists of a value and a quantity. I want to calculate the percentage of short orders from the total orders in terms of ...
3
votes
0answers
163 views

How can I introduce exogenous variables in the equation of the conditional variance?

Is it possible to introduce dummy variables or explanatory variables in the GARCH variance equation (garchset and garchfit).This is done in the mean (ARMAX) equation through the input 'Regress' in ...
1
vote
0answers
33 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 ...
0
votes
0answers
13 views

Reducing multicollinearity in Arbitrage Pricing model

I am working on a test example where the idea is to come up with a model that predicts S&P500 returns using the 9 S&P subsectors(XLY,XLP,XLF,etc) as FACTORS.Now i know there exists ...
0
votes
0answers
64 views

Understanding how to calculate position profits and trading profits

I am analysing a data set of trader transactions and would like to implement the methodology found in the paper by Fishe and Smith 2012. The main problem I am having is understanding the difference ...
0
votes
0answers
18 views

How to estimate portfolio value in money as function of spread

I'm a beginer in field of quant algos, so sorry for my lame question. I'm trying to calculate portfolio value of 2 currencies in basic stat arb strategy as function of spread change. But my value in ...
0
votes
0answers
33 views

Engle Granger test returns a 0 in matlab, while correlation factor is .80+. Am I doing something wrong?

Engle Granger test is giving me a ans = 0. The correlation factor is: 0.8+ Does this imply the No cointegration hypothesis is true? i.e. as per my understanding that there is cointegration? I am ...