Market microstructure is generally speaking the way markets are organized at the impact of there structure on the price formation process.

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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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10 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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4answers
4k views

Techniques to optimize the placement of orders in market making strategy?

Market making often requires placing and canceling a lot of orders. You have to buy and sell nearly simultaneously, so you need to move orders pretty often to beat other traders. But I would like to ...
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1answer
50 views

Fx Firm market making

I've been doing market making on forex using the last look feature so far. Now we are moving to do on firm making, but I'm kind of lost. To do firm making we need to post resting orders (currenex ...
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38 views

How does a Broker-Dealer lend shares to other Broker-Dealers?

Is it possible to find out how a OTC Broker-Dealer in thinly-traded equities lends shares for short-sales to other Broker-Dealers. Which platform or process is involved?
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1answer
75 views

Determining maximum strategy capacity and optimal order size for low frequency equity strategy

I have developed a low frequency equity trading strategy that seems to work well with stocks in the S&P 500. Someone asked me about the maximum capacity of the strategy (how much AUM I could ...
5
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1answer
120 views

High frequency trading and trading costs

What kind of deals do high frequency traders have with brokers or exchanges regarding commissions for stock trading? For an individual, it is nowadays possible to get to as low as 10 basis points per ...
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2answers
590 views

Orderbook Arbitrage

The order-books of trading exchanges are often hidden as so-called "Dark Pools". The measure was taken to avoid apparent market manipulation strategies executed by traders back then. Which such ...
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1answer
37 views

Purpose of ISOs

Why was ISO (Intermarket Sweep Order) introduced? I read that it was introduced to help fill large orders. Some explanation is here: ...
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2answers
1k 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?
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3answers
590 views

Market making in thinly traded assets

Could anyone suggest some literature or have any practical advice for marking a market in thinly traded assets with the following characteristics: 0-10 trades per day. Open limit-order book with 0-5 ...
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4answers
3k views

What is an efficient data structure to model order book?

What is an efficient data structure to model order book of prices and quantities to ensure: constant look up iteration in order of prices retrieving best bid and ask in constant time fast quantity ...
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0answers
76 views

Order Book Dynamics

I have been following this paper: http://arxiv.org/pdf/1104.4596.pdf The model is especially pertinent as I only have access to L1 data. The model is clear and intuitive and I have implemented the ...
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5answers
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Implementing data-structures in a Limit order book

I'm working on implementing a 'LOB' and I'm being very careful about choosing my data-structures so as to maximize performance. Using F# as an example, I need to consider a List versus Array for ...
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1answer
58 views

What is the current state of microstructure/order book analysis?

I know it's a broad question, but I'm curious as to the current state of microstructure analysis, specifically whether there's anything 'actionable' that people have discovered. Would also be ...
2
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1answer
184 views

High frequency price forecast model ARMA GARCH or another?

Can you reccomend model for high frequency data (1 second and less) (returns and volatility forecasting)? Most papers use ARMA, GARCH etc in 1 minute and lower time frame. PROBLEM ARMA does not know ...
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1answer
114 views

Are there references about liquidation, transaction, market impact costs in portfolio optimization

I am looking for some references treating of what I would call liquidation cost market impact cost transaction cost(*) in the usual "portfolio optimization problem under linear constraints". Let ...
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2answers
1k views

What are common methods for modeling intraday trading volume?

What are the most common ways to model intraday trading volume, particularly for futures contracts? There are obviously a number of seasonal-type factors, like roll, economic news releases, time of ...
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1answer
182 views

Market-Maker existence impact to short-term informed directional trading

How existence of market-maker affects short-term directional trading? Normally when playing short-term directional we play against market marker that will cover losses from uninformed traders. But ...
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0answers
31 views

Impact / slippage model for open and closing crossing auctions?

The general impact model for trading a VWAP order throughout the day has the form of: $\alpha \cdot \sigma_n \cdot \text{(participation rate)}^\beta$ I'm looking for an impact / slippage model of ...
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4answers
857 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 ...
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2answers
70 views

Order book size limit

I am trying to find out if exchanges impose limits on the total number of orders which can be in an order book at any one time. Does anyone know of examples of these order book size limit policies. ...
4
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0answers
59 views

Are there academic papers on the 'term structure' of adverse selection for futures and options?

By term structure I mean a non-stationarity in the pattern of intraday adverse selection as a given instruments approaches its expiry. Note that I am interested in the adverse selection on the ...
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9answers
3k 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 ...
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1answer
225 views

US options market/microstruture research

Can someone point out where to find up to date market/microstruture research in the options market?
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3answers
220 views

Why do stocks fall so quickly? Technical explanations

Why do stocks fall so quickly? China's market is down 40% in the past month ,for example. But when you look at charts of individual stocks, you see many instances of stocks giving up months of weeks ...
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3answers
190 views

Latency and Delays across Exchanges

I have recently come across this paper by Battalio et al. "Can Brokers Have it all? On the Relation between Make Take Fees & Limit Order Execution Quality" and realized how little I know about the ...
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1answer
327 views

What are the main market efficiency measures in the stock market?

I'm going to test for the effect of the change in market efficiency on the stock market portfolio, and, I want to know what are the main measures known in the academic literature in order to compare ...
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2answers
243 views

What are the main market anomalies/inefficiencies detected in quantitative finance?

I wondered about the existence of a complete list of the anomalies detected in quantitative finance. Generally, a market anomaly or inefficiency is a asset price and/or rate of return distortion on a ...
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1answer
102 views

What are “Autoquotes”?

I'm reading a 2008 JoFMarkets paper by Shkilko et al. with title "Locked and crossed markets on NASDAQ and the NYSE" in which the authors investigate the determinants of locked and crossed markets. ...
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1answer
89 views

Determination of Quote / Trade Ratio

What is the common criteria used to count a quote or trade in reference to the quote/trade ratio? Criteria: If it beats the best bid or offer. If it adds size to the best bid or offer. What if the ...
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6answers
15k 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 ...
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1answer
233 views

Executions deep in the Limit Order Book?

I have some Level III (message level) data for equities and I have found several cases in which I register the execution of a Limit Order at a price "worse" than the best bid or ask. For example, ...
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2answers
3k views

What is the price pressure?

What is the definition of price pressure and what does it imply? In a number of paper I read that the price pressure can influence the portfolio returns; can you explain why and in which way it can ...
2
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2answers
273 views

Locked or Crossed Markets

I don't understand why Rule 610 from Reg NMS was introduced: what was the problem with locked markets? I have read that one of the issues is that it forced a market maker (say, from Nasdaq) who ...
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1answer
1k views

academic papers about market making

I am looking for academic articles which model the p&L of market makers. I have read the Ho-Stoll (1984) article. Is there any recent article on this subject?
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6answers
573 views

Semi-strong efficiency and HFT

The semi-strong efficient market hypothesis states that In semi-strong-form efficiency, it is implied that share prices adjust to publicly available new information very rapidly and in an ...
9
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1answer
441 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 ?
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1answer
224 views

Level II market data (equities)

I have been playing around with some equities historical market data and I understand that different exchanges have different definitions of what Level II (Limit Order Book) data means. What I'm ...
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6answers
3k views

Book on market microstructure

Can I get some recommendations for a book on market microstructure? I'm not looking for some author's questionable methods for trading, I'm just looking for a book that provides me with facts about ...
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3answers
622 views

Algorithm to detect the aggressor side of a trade

Most of the exchanges provide aggressor side property of trades (e.g. Tag=5797 AggressorSide on CME) in their raw data. But many data providers do not provide this information via their datafeed ...
4
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1answer
532 views

Why would an exchange choose one matching algorithm over another?

There are a number of different matching algorithms at different exchanges. Time-based FIFO is most common, but there is also mixed FIFO/pro-rata, pure pro-rata, size priority, etc. Why would an ...
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306 views

Microstructure effects for a market maker? [closed]

When building a market maker that rests limits orders on both sides of the book, what microstructure effects should we be looking at to price those orders? I’m targeting liquid futures markets, and ...
2
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1answer
207 views

Short-term directional trading

Did value of ratio between informed and uninformed traders at market, making difference to profitability of short-term directional trading on that market? My guess is yes and better play short-term ...
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1answer
58 views

In a mis-matched trade who profits?

I am building a service similar to the BullionVault where users can buy and sell bullion. They will be placing their Buy and Sell orders on the service. Matched orders will get executed. My question ...
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2answers
216 views

What nonparametric methods exist for estimating intraday seasonalities?

What nonparametric "Model Free" methods exist to measure intraday seasonality? I would like to estimate intraday seasonality in any of The volatility The traded volume The bid ask spread or ...
5
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1answer
135 views

Attribution of unusual persistence in noncompetitive TAQ quotes levels?

I am looking at one day of AAPL quotes (3 Dec 2012) from TAQ to examine quote-based high frequency vol estimators. However, I found that a number of exchanges, when quoting noncompetitively, seem to ...
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71 views

full tick and retail tick data feed difference

Full tick institutional data feed like elektron from reuters, how is it different from retail tick data feed & which charting softwares work with elektron data feed
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9answers
5k 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?
7
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1answer
351 views

How do you calibrate a poisson arrival rate process?

Many papers in the microstructure literature assume an order arrival rate of the form $\lambda^a(\delta) = \lambda^b(\delta) = Ae^{-k\delta}$ That is, an order that's placed $\delta$ away from the ...