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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178 views

Intraday Volatility using Realized Kernels

Since the papers about realized volatility calculate daily volatility out of intraday data, is it also possible to apply same methods to calculate e.g. 10 minutes volatility by smaller sampled data e....
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779 views

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

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 ...
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45 views

Toxic FX Flow - how to avoid it [duplicate]

So, basically i want to debate and find out the real reason behind being flag by ECNs and venues as "toxic". How to avoid being flag? What kind of strategies are toxic and why? Below is an article ...
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105 views

Estimating Daily Dynamics using Hourly Data

This article gives a nice outline of how daily data can be used to estimate cointegration on a monthly horizon. http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1404905 I'd like to use the same ...
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99 views

labeling high frequency signal data

Was curious if anyone has methodologies they can recommend for systematically labeling (discrete) signals generated from intraday tick data for use in classification or detection models ?
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250 views

Estimating the next tick movement in Chinese markets

I'm working on high frequency trading in the Chinese Futures market and I've been having a bit of trouble with getting orders to go through due to the lack of liquidity and large fluctuations. To ...
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392 views

Models for volatility estimation of high frequency data?

I have read on several news articles and research papers, "Contrary to popular belief, high frequency trading reduces volatility in stock markets rather than exacerbates it". Do you know the models ...
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1answer
97 views

Alternatives to RDBMS for options backtesting

I've assembled a large dataset (~2B+ records) of options price data in MySQL for backtesting purposes. At a number of points, due to the sheer amount of data being retrieved and filtered, processing ...
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2answers
130 views

Mechanism for Tick Rule for Trade Classification

I see a few papers using the following tick test to classify a trade as buy/sell initiated trades: compare a trade price to the previous differing trade price, if the current price is higher/lower, ...
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2answers
298 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 ...
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1answer
102 views

modeling the volume of TOB of a LOB

In Limit Order Books, orders at the same price are grouped and I call this group of orders a "price level"(I don't know if there's a name in literature). The total volume in this price level ...
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1answer
3k views

What are trade markouts?

I have experience in trading but mostly in lower frequency quantitative trading. I've moved into HFT research and someone the other day mentioned markouts. I couldn't find anything online explaining ...
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1answer
74 views

Is there any literature on how stock exchanges guarantee consistency?

How do we know that artificial shares of some stock aren't created (perhaps going untracked) on exchanges. After all being man made digital systems they are prone to errors. An example: Suppose a ...
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2answers
315 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 ...
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1answer
104 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 ...
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2answers
260 views

Predicting price direction from order flow at high frequency

I have access to high frequency data for a few instruments using which I can simulate a limit order book.I would like to predict direction of price(best bid/ask) in the short term(1 sec, 5 sec and 10 ...
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1answer
328 views

Can someone explain to me the square root law of market impact?

The square root law is shown here: Market impact, why square root? Let's say I want to execute 100 lots. But I have never executed before so I have no idea what n is historically. How would I ...
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1answer
58 views

Finding option price using intraday data [closed]

I have the option price at a rate which is much smaller than the rate at which I have tick data for the underlying. If I have option price at times $t_1, t_3, t_5$ and I have tickdata at $t_1, t_2, ...
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1answer
78 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
74 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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1answer
299 views

Algo trading execution simulation

Disclaimer: Brand new to high frequency algo trading. Background:I have tick-by-tick trade data for stock A and I have joined the price and volume data for each trade with the previous snapshot of ...
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2answers
97 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
155 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
125 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
365 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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74 views

What are some ways to weight the basket of securities in high frequency setting?

I'm trying to build a basket of closely related assets $\{S_1, \dots, S_N\}$ that have no general index such as S&P500 and are represented in the high frequency setting. The general idea is to ...
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32 views

Analyzing BBO Change Tick data (vs. Trade Tick Data)

I have historical FX "tick" data from Dukascopy. Each tick is generated when Dukascopy receives a quote from a liquidity provider that is equal to or better than the best-bid-and-offer (note:...
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36 views

Intraday Factor Analysis, measuring intraday alpha, etc

I understand that models like the Fama-French 3 factor model are sometimes regressed against portfolio returns to compute an intercept value to understand if the portfolio captures common factors or '...
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48 views

Source for Intraday or High-frequency stock price data

I am in search for intraday (some observations per day would be fine) or high-frequency data for stock prices. I have for example 3.000 ISIN numbers of German companies and want to get the intraday/...
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31 views

Role of multilateral trading facility

I'm trying to understand Multilateral Trading Facility why companies are traded in this type of exchange ? what's the role of High Frequency Trading firms in this exchanges ? Thank you
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79 views

Execution Strategies

I have a rather broad question. Not sure how to best put it. Does anyone have any papers/resources on how to improve the execution model of any strategy? Would it be different if strategy under ...
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0answers
79 views

Sharpe ratio from second returns? HFT

I have an intraday trading strategy so I take several positions each day. I have prices for each stock, with a 10 second resolution. So the data looks like this: ...
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18 views

Bid-ask spread using transactions data [duplicate]

In the absence of quotes data, I'm looking to calculate the realized bid-ask spread using (high-frequency) transactions data. Is there a standard method of doing this? Many thanks.
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42 views

modeling example for price changes using HFT data

In Rue S. Tsay’s Time Series book, a decomposition method is described for analyzing price changes using HFT trade data. A change is modeled using the following variables, A indicates price change ...
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164 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
123 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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51 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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279 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
364 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
977 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
246 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
151 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
1k 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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