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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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49 votes
3 answers
19k views

How can we reverse engineer a market-making algorithm (HFT)?

Consider a market participant $A$ who is mechanically following an automated liquidity providing algorithm (HFT) in a number of large cap stocks on a specific exchange. Assume furthermore that we are ...
knorv's user avatar
  • 2,119
45 votes
9 answers
10k views

How 'High' is the frequency in HFT?

How many trades per second are we talking about? What kind of strategies are used in this time frame? Can the small guy play the game?
Terco's user avatar
  • 1,069
43 votes
8 answers
11k views

What broker/feed/APIsetup allows for recording the most accurate data (cheaply)?

I'm currently using IB's Java API and getting feeds through them. However the real-time feed is updated only every 250ms and the historical feed only every second. I'm primarily looking for ES data ...
40 votes
9 answers
5k views

Has high frequency trading (HFT) been a net benefit or cost to society?

Various studies have demonstrated the very large and growing influence of high frequency trading (HFT) on the markets. HFT firms are clearly making a great deal of money from somewhere, and it stands ...
Tal Fishman's user avatar
  • 13.5k
37 votes
4 answers
10k views

What types of neural networks are most appropriate for trading?

What types of neural networks are most appropriate for forecasting returns? Can neural networks be the basis for a high-frequency trading strategy? Types of neural networks include: Radial Basis ...
phoenix1886's user avatar
33 votes
5 answers
11k views

What exactly is meant by "microstructure noise"?

I see that term tossed around a lot, in articles relating to HFT, and ultra high frequency data. It says at higher frequencies, smaller intervals, microstructure noise is very dominant. What is ...
Palace Chan's user avatar
  • 1,347
33 votes
5 answers
14k views

What is a good broker for HFT?

Currently I trade trough IB. I run my HFT strategies (100 roundtrips per hour) but I think that latency is killing me and my profits are shrinking. I need the fastest possible brokers out there which ...
user40's user avatar
  • 2,707
32 votes
7 answers
54k views

How to calculate historical intraday volatility?

Sorry for what must be a beginner question, but when I went to write code I realized I didn't understand exactly how historical volatility, or statistical volatility, is defined. Wikipedia tells me "...
Darren Cook's user avatar
  • 1,427
31 votes
5 answers
10k 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 ...
intrigued_66's user avatar
30 votes
4 answers
11k views

Why do high frequency traders use rapidly cancelled limit orders?

In reading about the various practices and strategies of high frequency traders, one of the most mysterious to me is "fleeting orders," or orders that are cancelled almost immediately after they are ...
Tal Fishman's user avatar
  • 13.5k
29 votes
6 answers
36k views

Applications of Fourier theory in trading

What are fashionable applications of Fourier analysis in trading? I have heard vague ideas of applications in High Frequency Trading but can somebody provide an example, maybe a reference? Just for ...
Richi Wa's user avatar
  • 13.7k
26 votes
3 answers
5k views

How to forecast volatility using high-frequency data?

There is a large literature covering volatility forecasts with high-frequency tick data. Much of this has surrounded the concept of "realized volatility", such as: "Realized Volatility and ...
Shane's user avatar
  • 9,245
24 votes
7 answers
35k views

Is the Interactive Brokers API suitable for hft?

By HFT here I mean anything with holding period less than 5 to 10 minutes. Any empirical/anecdotal evidence of using it successfully on even higher frequencies?
user40's user avatar
  • 2,707
22 votes
3 answers
11k views

Control for bid/ask bounce in high-frequency trade data?

The bid-ask bounce is the bouncing of trade prices between the bid and ask sides of the market. It introduces a systematic bias to the data which can cause serious problems in analysis. What methods ...
Shane's user avatar
  • 9,245
21 votes
2 answers
11k views

Market impact, why square root?

The standard method of market impact is the square-root formula \begin{equation} \Delta P = c \cdot\sigma \cdot \sqrt{\frac{n}{\nu}} \end{equation} where $\Delta P$ is the price change from executing ...
Freelunch's user avatar
  • 1,086
20 votes
3 answers
16k views

Avellaneda -Stoikov market making model

I am reading paper High-frequency trading in a limit order book by Marco Avellaneda and Sasha Stoikov. At the end of the paper they obtain a closed-form solution to the optimal market-maker quotes ...
ragoragino's user avatar
19 votes
3 answers
9k views

R: How feasible is it to store -- and work with -- tick data in a database connected to R?

I'm looking to convert some tickdata .csv files into a database on a local disk and then use R to call the data and do my various analytics and modelling. What are some best practices / ...
n.e.w's user avatar
  • 437
18 votes
4 answers
2k views

HFT: What is the big differentiator in comparison to other time scales?

High Frequency Trading (HFT) seems to be the big money making mystery machine these days. The purported source of unlimited floods of gelt pouring into the investment shops using it. For me, HFT is ...
vonjd's user avatar
  • 27.5k
18 votes
2 answers
2k views

From a high frequency point of view, with a price prediction and assuming infinite leverage, how do you determine optimal trade size?

I have read about something like Kelly criterion for long term expectation maximization assuming a fixed starting bankroll. But if one can assume unlimited leverage, and one has a signal for a price ...
Palace Chan's user avatar
  • 1,347
18 votes
3 answers
6k views

Papers about risk management in algorithmic trading?

I am currently doing my research for my master thesis, which will clearly focus on the question of risk managment in algorithmic trading systems. I have done research about this topic and found some ...
Carol.Kar's user avatar
  • 482
17 votes
3 answers
4k views

Order submission strategies of a rational market maker?

Consider a market maker that has decided to try to make a round-trip trade in stock A in order to capture the bid-ask spread. Assume furthermore that he has no current inventory in the stock A. To ...
knorv's user avatar
  • 2,119
17 votes
3 answers
25k views

What is a medium to low frequency trading strategy and why is it less hyped?

The term high frequency trading has been used quite often recently to refer to trading using real-time tick data (or data aggregated to few seconds) and having an intra-day holding period. How are ...
Lalas's user avatar
  • 279
16 votes
3 answers
6k views

Backtesting Market Making Strategy or Microstructure Strategy

How does one backtest either a market making strategy or microstructure-based strategy? I'd imagine that one way would be to record order book states over time and then insert the orders, but it seems ...
Kch's user avatar
  • 981
15 votes
2 answers
4k views

Order Book Dynamics

I have been following this paper: Price dynamics in a Markovian limit order market, by Rama Cont and Adrien De Larrard The model is especially pertinent as I only have access to L1 data. The model ...
Bazman's user avatar
  • 879
14 votes
2 answers
11k views

How to annualize intra-day volatility on minute data?

I am trying to convert minute based volatility into annualized volatility in such a way that both are comparable. $Vol_{min} * \sqrt(t)$ does not seam to get them into the same scale if I annualize ...
Suminda Sirinath S. Dharmasena's user avatar
14 votes
3 answers
905 views

What is the most effective way of determining & measuring the level of HFT activity in a stock in (close to) real time?

On a security by security basis, I want to be able to quantify the level of HFT activity (and later institutional & retail activity). Is it higher than it normally is? How much so? What would you ...
tdelet's user avatar
  • 141
14 votes
2 answers
2k views

Algorithm for the choice of stocks for a equity scalper/market maker to engage in?

Assume a scalper/market maker who is operating on an exchange with $N$ stocks with different characteristics such as current market value, average bid-ask spread, average daily volume and historical ...
knorv's user avatar
  • 2,119
13 votes
6 answers
33k views

How are HFT systems implemented on FPGA nowadays?

I have read about different implementations of HFT systems on FPGAs. Argon HFT system (http://trading-gurus.com/argon-design-an-fpga-based-hft-platform/) Hardware-only implementations or hybrid ...
Evers's user avatar
  • 253
13 votes
2 answers
823 views

How credible is Knight pointing the finger at Rule 107C?

After the Knight Capital incident, I decided to read into the new Rule 107C that NYSE pushed-out August 1st for a one-year pilot. From what I've read, Knight claims that new code rolled out for this ...
jeff m's user avatar
  • 971
12 votes
3 answers
775 views

HFT to blame for Flash Crashes?

Some people 1, 2, 3 claim that High Frequency Trading is partly to blame for the extreme volatilities in the markets yesterday (24. August 2015). Is that true? Is the amount HFTs move even enough ...
Joachim's user avatar
  • 274
12 votes
4 answers
2k views

What is the impact of high-frequency trading on market depth, liquidity, and volatility?

On the surface, bid-ask spreads are far more narrow than even several years ago. However, during periods of financial stress liquidity seems to vanish. Also, the increasing amount of fragmentation (...
Ram Ahluwalia's user avatar
12 votes
2 answers
3k views

HFT - How to define and measure latency?

I have read and heard a lot about latency. But I can't find any solid information that explains how latency is defined and measured. When people say they have achieved millisecond or nanosecond ...
SmoothCriminel's user avatar
12 votes
3 answers
17k views

What kind of return can an average algorithmic trading firm achieve today?

What kind of rate of return can an average, equities-focused algorithmic trading firm expect to achieve today? I come from a background of control and optimization, working in the industry in China, ...
user1748356's user avatar
12 votes
3 answers
1k views

What strategy would benefit most from having the fastest connection to the exchange?

Imagine that you have the fastest connection to the exchange (receive quotes 1 ms earlier than everyone else) for both stocks and derivatives. How would you benefit from this? Of course almost any ...
Oleg Vazhnev's user avatar
12 votes
1 answer
1k views

What good papers of short term (<30 seconds) volatility estimation [duplicate]

I am looking for good papers of short term (<30 sec) volatility estimation AND short term volatility forecasting. Do you have something in mind ?
statquant's user avatar
  • 1,288
11 votes
3 answers
12k views

What mathematical theory is required for high frequency trading?

I am an applied math postdoc and I have been presented with the option of leaving academia to work in high frequency trading. I wanted to get a feel for the field and the theory underlying it so I ...
sonicboom's user avatar
  • 309
11 votes
2 answers
3k views

What is "high frequency quoting" or "quote spam"?

What is called "high frequency quoting" or "quote spam" in the context of high frequency trading? Why do some people consider that as a problem for the market?
asmaier's user avatar
  • 563
10 votes
5 answers
7k views

What is C++ used for when writing code at High Frequency Trading firms?

Okay. This might be a pretty dumb question, but I really want to know what is it that the high frequency trading firms write in terms of services that requires C++. Background I am a Rust and ...
coder123's user avatar
  • 201
10 votes
5 answers
5k views

What kind of front end/ gui is used with trading applications?

I was wondering what kind of front end is used for trading applications. Coming from a quant background, I was always only concerned with research and back end of the application but am at a total ...
nxshar2's user avatar
  • 153
10 votes
2 answers
767 views

Applying models with normality assumption on tick data?

Beginner question. Having read a couple of papers and book chapters on high-frequency data forecasting, I'm surprised (and confused) that the same time series techniques can be applied to high-...
jk3000's user avatar
  • 431
10 votes
2 answers
4k views

How to forecast high-frequency data?

Introduction: I have seen a plenty of articles/books regarding volatility forecasting applied to high frequency data, but none of them were dedicated to forecasting the actual prices (for example bid/...
Robert Szóstakowski's user avatar
9 votes
2 answers
3k views

How long do algorithmic trading strategies typically remain profitable?

As I understand it, an algorithmic trading strategy could lose profitability, if, for example: it's rediscovered by others employee turnover leaks the strategy to others market conditions change ...
MWB's user avatar
  • 291
9 votes
2 answers
6k views

Fastest news feed APIs targeting high frequency trading?

The Dow Jones elementized news feed API seems to stand out but are there any other machine readable news feeds out there that provide very low latencies that high frequency operations may peruse? I am ...
Matt Wolf's user avatar
  • 14.5k
9 votes
1 answer
2k views

Why would a trader quickly flicker an order immediately preceding a tick away?

The Setup Assume the inside market is $15.15 \times 15.16$ and there is a very large bid order imbalance. For example, 30,000 shares bid across 100+ orders, 200 shares offered across 1 order; however,...
Louis Marascio's user avatar
9 votes
2 answers
3k views

Which algorithm should I look into to kick off my research in algorithmic trading? [closed]

I have recently undertaken a research into automated algorithmic trading algorithms. The aim of the research is to focus on studying algorithmic trading and trying to improve a basic implementation ...
k9ty's user avatar
  • 191
9 votes
4 answers
794 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 ...
Robert Kubrick's user avatar
9 votes
0 answers
344 views

Survey of market making strategies and research [duplicate]

I am undergoing a focused study of market making theory. So far, I've encountered the following papers: Market Making and Mean Reversion Adapting to a Market Shock: Optimal Sequential Market-Making ...
Randomblue's user avatar
8 votes
3 answers
1k 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 ...
silencer's user avatar
  • 1,553
8 votes
1 answer
3k views

When does the Epps effect start?

Wikipedia defines the Epps effect as follows: In econometrics and time series analysis, the Epps effect, named after T. W. Epps, is the phenomenon that the empirical correlation between the returns ...
vanguard2k's user avatar
  • 2,925
8 votes
3 answers
2k views

What latency should I use for backtesting a high-frequency strategy?

We're developing an HFT strategy for highly liquid futures traded at Eurex. We are planning to colocate our server and to use data feed of QuantHouse and execution API of ObjectTrading. Backtesting is ...
l.m's user avatar
  • 81

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