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2
votes
1answer
108 views

Can you use GARCH-MIDAS for intraday data?

I'm working on a project to forecast volatility and I'm using intraday data (1 min). I want to include exogenous variables to the model that have daily frequency. I was wondering if GARCH-MIDAS can be ...
2
votes
1answer
301 views

Understanding how market making helps investors

I'm reading about high frequency trading and market making. I'm trying to understand the following example from my book: Here is an example of how market making helps investors. Suppose that the best ...
1
vote
0answers
89 views

Stock returns: Determining the window size

I am looking for a rigorous way to determine a suitable rolling window size for my stock data. Factors that will influence the window size are how fine my data is (minutely, daily, weekly etc.) and ...
0
votes
0answers
41 views

RegNMS, National best bid/offer and Smart Order Routing

I read Flash Boys when it first came out. If memory serves correctly it said US exchanges are required to forward received orders to another exchange if it has better prices, to achieve the best ...
1
vote
0answers
72 views

Evaluating passive fills

Assume we look at all passive fills going through a security. How do we benchmark how good each passive fill is (relative to each other)? We expect the edge to be (assuming midprice is our ...
3
votes
1answer
208 views

Economics of spoofing

I am trying to understand the economics of spoofing (I am a lay person). I understand that from a risk point of view, aside from the legal risk, the main risk is that of having a limit order filled ...
1
vote
1answer
200 views

How to interpret minute by minute ticker data

The data is in the following format: { Time= 650 Volume=700 Last=89.22 High=89.56 Low=89.20 Open=89.25 } I understand that the time value represents the current minute of the day, market ...
2
votes
0answers
708 views

Netfonds.no: Continuing to understand how to get high frequency data

I first found out about netfonds about a year ago but I hadn't ever really gotten around to actually pulling data from there. I spent a little time today figuring out a way to pull data and here is ...
8
votes
2answers
657 views

Why are we obsessed over normalizing financial data?

I have recently began work on some high frequency financial tick data. I have been told to 'normalize' the data as much as possible and run linear regressions through them. In fact, the data doesn't ...
21
votes
4answers
5k views

Quantitative Math required for Market-making?

I understand there is an awful lot of Quantitative Math required for statistical arbitrage/algorithmic trading. However, would someone "in the know" be able to tell me whether there is less ...
3
votes
0answers
231 views

Forecasting Equity returns using state-space models

I have data for 3 yrs of 5 min prices of various equities. I can construct a linear regression model and try to see the in-sample model performance. But I was wondering whether fitting a state-space ...
9
votes
4answers
582 views

Position management in presence of continuous forecast

Let's say we have an equity liquidity-providing model that was fitted on 1 minute bar periods. The model forecasts the 1-min next period return given the activity of the previous bars. Now, when we ...
8
votes
3answers
880 views

How to account for jumps in intraday data when calculating beta?

I am calculating betas on intraday trade data at 15-minute intervals. For simplicity sake, let's assume I am modeling \begin{equation} Y = \beta * X + c \end{equation} where $Y$ is the return of XLF ...
7
votes
1answer
252 views

How are dual class shares different from non dual class shares from a market makers' perspective?

Assume a stock Foo with a single share class. Furthermore, assume a dual class stock Bar with classes I and II with different voting rights. The shares in the different classes have equal cash flow ...