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15
votes
3answers
290 views

Regression model when samples are small and not correlated

I received this question during an onsite interview for a quant job and I'm still scratching my head on how to solve this problem. Any help would be appreciated. Mr Quant thinks that there is a ...
0
votes
2answers
92 views

trading equities on options feed/microstructure data

Obviously, not asking for a trading strategy, but do people successfully use options feed/microstructure data to trade equities intraday? What's the general framework for such strategies?
1
vote
1answer
46 views

Bid/ask and volumes from ITCH feed, what is the most efficient way to do this?

I am very green when it comes to programming. I am doing a market microstructure study where I need to investigate how certain stock characteristics affect their liquidity. I have Nasdaq OMX ITCH Feed ...
5
votes
0answers
72 views

Estimating Number of “Day Trades” from Total Volume of Commodity Futures Contract

Looking at futures data I am trying to calculate/estimate the number of "day trades", i.e. positions that were initiated and closed during the same day, as distinct from those positions that were ...
1
vote
0answers
37 views

Intraday return and volatility figures some sense check

Some questions about intraday returns and volatility figures. It is with the objective of sense checking. Firstly, for Security A, I am calculating the five minute interval return numbers over 29500 ...
1
vote
0answers
90 views

Comparing Implied Vol. to Historical Vol. using intraday data

I'm interested in estimating what my profit/loss would be for continuously gamma scalping a delta hedged option over the course of one day, using historical intra-day price data. I found an equation ...
1
vote
0answers
93 views

How to measure if variance is greater at a certain time of day?

I'm not very fluent in the quant vernacular, so perhaps the nature of my question will be better illustrated as a hypothesis. One market has closed and another market elsewhere on Spaceship Earth is ...
0
votes
0answers
60 views

Where and how can I get FX intraday data for use it in R?

I need FX data (the most accurate possible) for use in R. Right now I have developed a script in Java to download the CSV file (from Oanda) and use this file to read it in R, but I think that is a ...
0
votes
0answers
40 views

Intraday or overnight returns?

While calculating insider abnormal returns, closing prices of securities are generally used. We take the actual ex post return of the security i on time t, minus the expected normal return for the ...