Questions tagged [high-frequency]

For questions dealing with market data sampled at high frequencies, such as tick data and intraday data.

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35 views

aggregate and convert tick-by-tick using fx data

I have tick-by-tick data of an asset X denominated in EUR and minute-by-minute data on EURUSD. If I wanted to convert my tick-by-tick data to USD would it make sense to just consider every bucket of ...
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1answer
70 views

Why does an exchange (IEX) need connection to other exchanges (like information about average prices)?

I have read "flash boys". The author describes how the Royal Bank of Canada uses THOR and an own SIP against certain practices of flash traders. I understand why a bank or a broker can make beneficial ...
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2answers
89 views

Financial forecasting and Optimal order submission [closed]

For instance, If i have a model that can accurately forecast 3s ahead, would the trading logic be rather trivial? I have fit a series of distributions to L2 data and believe I have a fairly good grasp ...
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2answers
142 views

Data for daily real interest rates

In a high frequency model i would like to add daily real interest rates (preferably short-term) as a variable. However, I cannot seem to find either daily CPI data, or daily real interest rates (...
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1answer
120 views

Find a reasonable h

The mid-price at time $t$ is denoted by $$p_t = \frac{s_t^{a,1} + s_t^{b,1}}{2}.$$ This mid-price can evolve in minimum increments of half a tick but is almost always observed to move at ...
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1answer
312 views

Aggregating Tick Data

I have Level 1 data that has already been aggregated into 0.5s buckets by the exchange. I'd like to further aggregate the data into hourly and daily buckets. I plan to do this by simply taking a ...
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1answer
29 views

Should a portfolio coefficients be calculated with daily or monthly returns?

I noticed when I regress the return of a portfolio on the Fama French 3 factor model that the value and the statistical significance of the coefficients vary when I use daily versus monthly portfolio ...
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0answers
25 views

How to get daily S&P500 dividend and CPI data?

For a project where I'm modelling asset prices using heterogeneous dividend expectatations, I want to investigate the effect of the COVID-19 virus. This means I'm looking at daily stock price data ...
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0answers
65 views

realized correlation estimation

I'm trying to implement the Hayashi - Yoshida estimator for correlation (T. Hayashi, N. Yoshida: On covariance estimation of non-synchronously observed diffusion processes, 2005) and there's something ...
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0answers
52 views

intraday periodicity adjustments

I recently studied and implemented the intraday periodicity model of Andersen and Bollerslev from here. https://www.sciencedirect.com/science/article/abs/pii/S0927539897000042 The seasonality ...
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1answer
84 views

How to detect price anomalies in HFT?

Let's say I'm developing an HFT application and seeking arbitrage in futures markets between MAY contract(M) and JUNE contract(J). In this strategy, my spread is ...
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0answers
45 views

How to use the volatility indicator?

In the high frequency research, there are many research papers about the high frequency data to predict the volatility, My question is how to use the predicted volatility in the trading. And which is ...
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0answers
106 views

Trade sizing with market making and the volume of uninformed trades

I have a trend following market maker in a highly volatile market (XBTUSD) which makes its money from uninformed trades over a short time horizon. Sizing my bids/asks has always caused me to question ...
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44 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 ...
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0answers
125 views

Are there good off-the-shelf coding implementation of trade classification algorithms?

Including Lee Ready and bulk classification methods, as well as any other method. To be clear, I'm asking for code, not just a description of the algorithm.
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0answers
214 views

Is order flow imbalance more or less correlated with price movements at slower frequency?

Suppose I define order flow imbalance as volume(aggress buy)/volume(aggress sell), or some variant of that. Is this variable more, or less, correlated with price movements when I sample less ...
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1answer
2k views

Can end-to-day trading be profitable? If not, why? [closed]

Many academics argue that end-to-day trading, where you go long or short before opening and sell your security at the end of the day, is not profitable. Various explanations are given for this concern....
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1answer
287 views

Calculating intraday returns from imperfect data in R [closed]

The aim is to calculate minute returns in R. Given is minute price data in a tbl_df. A row was only added if there actually were trades. ...
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1answer
692 views

Code for HY Estimator

Does anyone here has a code for HY estimator, preferably in python? I have written a very basic code in python but my results are weird. When I run it for two liquid assets traded on two different ...
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1answer
231 views

Why didn't my order get filled?

So I placed an offer to sell a few liquid options on an already illiquid stock the other day. I put an offer to sell a deep OTM put, the market makers who had their offers in place had, lets say $1, ...
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1answer
130 views

Insoluble Enigma [closed]

I used many statistical tools, i.e. t-SNE, SVM, Neural Network, UMAP, PCA, with the reformatted full market depth data with timestamp each second. UMAP gave me the best data representation, but ...
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1answer
969 views

Tutorial for working with tick data? [closed]

Can you recommend a good tutorial for working with tick data for the purpose of algorithmic trading? Is the data normally stored in a database and only bits are read into memory at a time? Is there ...

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