One tight slap on Times of India.
One tight slap on Times of India.
Posted at 12:58 AM in Brand Fundas | Permalink | Comments (0) | TrackBack (0)
The preface to this book gives a reason behind the title for this book,
This year we learnt that there are many thousands of children across Britain who cannot read competently, that there are thousands who leave primary school unable to put together basic sentences. One in three teenagers reads only two books a year, or fewer, and one in six children rarely reads books outside of the classroom. Many parents do not read stories to their children, and many homes do not have books in them. Stories and poems, for these thousands of children, are not a source of enchantment or excitement. Books are are associated with school, or worse – they are associated with acute feelings of shame and frustration.
The ten people who have contributed to this book are from very different backgrounds. Some grew up with a multitude and variety of wonderful books within their reach; some had parents who imparted to them a fierce desire for books and for learning; for others, books were hard to come by, or even illicit. But all ten are united here in a passionate belief in the distinctive and irreplaceable pleasures and powers of reading. They describe a poem as a lifeline, a compass, or literature as the holding place of human value.They each contend that books are not just for the classroom, but must be made easily available beyond it, because great books are essential to a richer quality of life. These writers know that learning to read transformed their very brains, and that literature has helped them to express their questions and ideals, and molded their imagination and sense of self. This book is a manifesto. In a year of rude awakenings to low levels of literacy and a widespread apathy towards books and reading, this book demands an interruption. Stop What You’re Doing and Read. Read these essays, because they aim to convince you to make reading part of your daily life.
In this post, I have tried listing down some of the statements/comments/questions/remarks that I have found interesting in the ten essays penned in the book.
Dr.Maryanne Wolf and Dr. Mirit Barzillai ask a set of questions that probe in to the “future of reading”. With the onslaught of information overload, increasing distractions ( twitter, instant messaging, etc.) there are many possible ways the “the reading brain” is going to shape up in the future; “shape up” is the word used as we are never born to read or write anything. Unlike vision or language, reading has no generic program that unfolds to create an ideal form of itself. Rather, learning to read lies outside the original repertoire of the human brain's functions and requires a whole new circuit to be built afresh with each new reader. The brain changes itself by building a versatile “reading circuit” out of a rearrangement of its original structures, such as visual, conceptual and language areas. In the last essay , the authors ask a lot of questions in this context,“How will the next generation of kids build a 'reading circuit' ”. Will the twitters/IM make the brain circuitry devoid of 'deep-reading' and instead build something completely new that is equipped to handle the kind of info overload that we are seeing ?
The book is a nice collection of essays about “reading” by ten authors ; all of the essays have one common theme – Make time to deep-read in your busy schedule.
Posted at 10:30 AM in Books, Reflections, Writing | Permalink | Comments (0) | TrackBack (0)
“Life is too short for a bad book or the right book at the wrong time.”
--- Tim Parks
Posted at 07:48 AM in Reflections | Permalink | Comments (0) | TrackBack (0)
I'm astounded by people who want to 'know' the universe when it's hard enough to find your way around Chinatown.
-- Woody Allen
Posted at 07:01 AM in Reflections | Permalink | Comments (0) | TrackBack (0)
An old set of videos that I found extremely interesting.
Lex Van Dam, a hedge fund manager in London, picks 8 rookies and gives them a million dollars to manage for two months. This two hour long set of videos brings out so many human dynamics about trading that this can be a fantastic case study in any B school. Will the 8 rookies survive 2 month period?Will they manage to make money ? Will they work as a team ? and many more questions get answered on the way.
Trading is not for everybody, is the underlying message of this series.Absolutely loved the episodes.
Posted at 11:13 PM in Finance | Permalink | Comments (0) | TrackBack (0)
In the introduction, the author tries to define HFT using the voices of leading HFT players. What are the characteristics of HFT? There is no agreement on a common definition of HFT, but there are some elements that one can at least attribute to HFT. They are
The goal of any HFT firm broadly is to have a set of uncorrrelated trading strategies that has statistically more winners than losers for all the trading positions of the day. The introduction mentions the fundamental market driven factors that gave rise to HFT:
The author ends his intro clarifying terms such as program trading, quant trading, algo trading, automated trading, prop trading, stat arb, ultrahigh frequency trading. I found the explanation of these terms better explained in Barry Johnson's book ,`Algorithmic trading and DMA'.
The Emergence of High-Frequency Trading
This section lists down the significant events from 1969-2007 that were a precursor to todays' HFT
A few visuals like the would have made the chapter more readable:
The Path to Growth
This chapter traces the developments through the period 2007-2010 June.
High Frequency Trading Goes Mainstream
This chapter traces the developments during 2009-2011 , the time frame when HFT entered the parlance of media, journalists, politicians, economists etc. It all began with a NYTimes article by Charles Duhigg on July 24, 2009 on HFT. That was the first time when HFT became known to wider audience and most importantly lead to false notion amongst people that flash orders were used to manipulate market.Click here to read the full article that was published in NY Times.
Soon after this article got published, NASDAQ and BATS stopped offering flash orders. Amidst the falling economy, HFT was making money and this was met with harsh reactions from everyone. Meanwhile BATS and DirectEdge were eating in to the market share of NASDAQ and NYSE. So, to stay competitive in the game, NASDAQ launched INET in late 2009, an HFT enabled platform. NASDAQ also asked SEC to look in to various data centers that were mushrooming in the country. These data centers were heavily used by hedge funds and HFT shops. Meanwhile Chi-X was launched in Europe and Asia. Chi-X was very successful in both the venues. In Japan, it was launched under the name, `Arrow Head' and the latest numbers from Arrow Head - 100 Million shares a day - shows that it is a massive success. There is another market development mentioned here, i.e the ban on naked access. Naked access goes under various names, 'Sponsored Access', 'Unfiltered Access', etc. All those names boil down to one type of access - Allowing hedge funds to participate in the market using broker's market participant Id. The broker does not put any kind of controls to the orders and merely offers the platform to the clients to trade with broker's participant Id. According to Aite group, 38% of the equities volume is from naked access. Banning this was a big jolt to all the broker-dealers.
The chapter also features the success story of GETCO, an options trading firm started by 2 floor traders in 1999, that went on to become one of the biggest success stories from Chicago. There are some interesting facts about the GETCO's story like , it hired skilled video gamers from Illinois Institute of technology for its trading team. Well, to think of it, HFT is a kind of video game played with sophisticated technology. In Feb 2011, GETCO became a NYSE designated market maker along with the biggies like Goldman, Kellogg group, Bank Am and Barclays.The success of GETCO is also an indication of what a powerful financial and technology hotbed Chicago had become.
The Technology Race in HFT
Based on a few interviews with HFT shops, the author lists some basic requirements for a HFT shop to get going
Well, if these things appear obvious, Kumiega and Ben Van Vliet of Illionois Institute of technology have developed a step-by-step methodology( using machine control theory) that addresses the needs of institutional trading and hedge fund industries for development, presentation and evaluation of high-speed trading and investment systems. They call it methodology and it says that the following stages of development should serve as a road map for running HFT shop.
The chapter ends with saying that, low latency is essential, but it is the strategy that needs to be robust. This is a very different view from what I heard from one of my friends last week. He is of the opinion that there are less than 10 strategies that are basically used in all the HFT shops and the speed is the ONLY thing matters. This book and other people mentioned in the book says `otherwise'. May be both matter equally!.
The Real Story Behind the “Flash Crash”
I found this chapter to be most interesting in the entire book as it goes behind the events that lead to NY Times article in July 2009 . It was in June 2009 that NASDAQ and BATS introduced flash orders to compete against DirectEdge. DirectEdge had given its participants a special order type called Indication of Interest , that helped DirectEdge add 10% to its existing market share. So, this tactic by NASDAQ was to make SEC ban such orders on the entire US market including CBOE that had roaring flash order business. SEC did not make regulatory changes as far as options are concerned. But it did make changes and subsequently flash orders were completely removed from the market.
One typically associates flash crash with some kind of HFT trading gone bad. But this chapter makes it very clear that HFT traders hate flash orders as the only entities that are profitable in a flash order are the exchanges and the guy putting the order. Infact reading this chapter makes one realize that flash crash actually goes on to show why HFT firms are needed in the first place becoz most of the HFT firms shut off their computers during the flash crash. Since there was no liquidity from HFT firms,volatility increased so much that Dow tanked 600 points and bounced back. Liquidity and Volatility have an inverse relationship and thus 'HFT firms providing liquidity lessen the volatility' is the argument provided `for' HFT case. When SEC report came out investigating flash crash, it was clear that a massive market sell order of $4 Billion E-Mini contract was the tipping point for the crash in the already nervous market. Why would a trader put in such a big order as a market order and not a limit order is surprising ? Somehow the press has been flogging HFT for the flash crash , when infact, there were firms who were providing liquidity even during the flash crash. Rumor is that there is a firm in Chicago which made $100M in one day. Now given that HFT profits are close to $2B-$3B, that's a huge amount of money.
Will there be more flash crash type of events in the future ? Certainly says the book and it says this has got nothing to do with HFT strategies.
Life after the “Flash Crash”
This section describes the various events post May 2010 flash crash
The Future of HFT
This sections lists the events that have happened in 2010.
The book is interspersed with interviews with 6 High frequency traders.
Meet the Speed Trader : John Netto
In this chapter, John Netto , a high frequency trader talks about his trading experiences and HFT in general. Here are some of the aspects he mentions,
Meet the Speed Trader : Aaron Lebovitz
Aaron Lebovitz spent two decades in the industry and then started his own firm, Infinium Capital management, a prop shop in 2003 and made it in to an exceptional force in the industry. Here are some of the aspects he mentions,
Meet the Speed Trader : Peter van Kleef
Peter Van Kleef has spent the last 15 years running automated trading ops. Here are some of the aspects he mentions,
Meet the Speed Trader : Adam Afshar
Adam Afshar's views on HFT are little different from the traders covered earlier. He is of the opinion that it is the low latency that is extremely critical. Here are some of the aspects he mentions,
Meet the Speed Trader : Stuart Theakston
Stuart Theakston runs GLC, an HFT firm. Here are some of the aspects he mentions,
Meet the Speed Trader : Manoj Narang
Manoj Narang started his firm in 1999 that was in to providing financial toolbox. In the last few years or so, he has transformed his firm in to a profitable HFT firm.Here are some of the aspects he mentions,
If you take all the events that have happened relating to HFT world and list them in a chronological order, spice it up with some HFT trader stories and viewpoints, what you get is, this book.
Posted at 04:34 PM in Books, Finance, Programming, Technology | Permalink | Comments (0) | TrackBack (0)
Thanks to my Sitar Sir, I came to know about a concert by Ustad Rais Khan this weekend. Khan Sahab is from Mewati Gharana ( Indore) and plays in “Beenkar Baj Gayaki Ang”.
Before the concert began , he told the audience that he was running high fever and was having a severe body ache. He apologized in advance for any mistakes he might commit in the concert. He is 72 years old!. How many 72 year olds are there in this world who can actually perform in front of an audience ? I guess there is something in music that keeps a mind fresh and active. Despite his ill health, once Khan Sahab started playing , it looked like he entered another world. It was a delight to watch him play. Khan sahab performed for 2 hours in front of a jam packed auditorium. His son Farhan accompanied him on stage and was providing the speed component whereas Khan Sahab played meend, gammak , zamzama and other variations.
At the end of two hour concert, he was helped by his sons , so that he could stand on the stage and take a bow. Audience gave a standing ovation to this stalwart of Indian music.
I heard an incident about Rais Khan. It seems that his fingers had become so hard that he would deliberately take his cigarette and place them on the tip of the index finder and middle finger and exhibit no reaction whatsoever. He would proudly claim that his fingers can resist any pain. Lot of people at the concert were saying that this might well be his last on stage performance.
Posted at 11:52 AM in Music | Permalink | Comments (0) | TrackBack (0)
In the Jan 2012 issue of “Traders” magazine , I found these points worth noting down :
Posted at 11:13 PM in Magazines | Permalink | Comments (0) | TrackBack (0)
The book starts off with a discussing ‘What’ and ‘Who’ aspects of High Frequency trading systems.
What is High Frequency Trading :
With the advent of electronic trading , the human market maker has been replaced by electronic market maker. The back end is a programmed strategy that does the market making. HFT's DNA comprises two elements.First element is the trading strategy that is typically liquidity provision or intra day arb extraction. Second element of its DNA is the holding time that is usually a fraction of a second.
Who are High Frequency traders:
HFT firms can be typically categorized in to four types
The common attributes amongst the above firms is that they focus on having low-latency, resilient, scalable technology, and their trading strategy is their bread and butter and they forever keep tweaking them. Lastly they all keep a low-profile.
The chapter goes on to list the impact of HFT firms on the markets.
So, pretty much whether someone likes it or not, HFT is a reality that is not going to go away. With out HFT, i.e Stock exchange transactions would look completely different.
Market Structure
This section talks about the evolution of the market structure since the time Order Handing rules were introduced in 1997. The following visual best summarizes the evolution:
1997 was a landmark event in the market structure evolution as ECNs came in to existence. They were the main outlet for unwanted limit orders from market makers. Large buy-side firms became attracted to ECNs because of their ability to execute orders anonymously and to minimize market impact.
ECNs followed mainly two business models.
The first category is the best execution centric ECNs where they were efficient order routers; the second category was Market-centric where ECNs matched the orders internally and then routed if they failed to match it internally. Slowly Best Execution centric ECNs lost their uniqueness to DMA . Instinet and Island ECNs became popular with latter taking a larger market share. In June 2006, Instinet acquired Island and thus NASDAQ became a big player in ECN business. Also there were a spate of mergers and acquisitions during 1997 and 2006. By the end of 2006 all the ECNs got consolidated in to NYSE or NASDAQ.
The following visual summarizes the M&A activity in this space :
Then came RegNMS . The future prospects of regional exchanged looked quite bleak. But in the recent years they have made a great comeback. The chapter then goes on to cover one of the most interesting execution avenue in US , the dark pools , that are currently about 40 in number and account for approximately 13 % of the the US equities market. Types of dark-pools and the nature of dark pools are covered in this section. One of the reasons for the rise of dark pools is hedge funds.
The various types of dark pools described are
The estimated market share of dark pools as of Q2 2009 is shown below
Trading Infrastructure
With rapid adoption of electronic trading and algorithmic trading, the messaging volume has seen an exponential rise. Reg NMS and market fragmentation has also given rise to tremendous amount of TAQ data in the recent years. In the equities side, 1.8 Billion messages per day is becoming a norm and in options data, the volumes are mind boggling with 2.5 Million per second. The following illustrations give an idea of the same
What are the key components of a High frequency trading infrastructure ? It is helpful to have the big picture now and see where the trading infra components fit
Feed Handler :
The book says that most of the HFT firms write their own feed handlers and it takes about 2-3 full time dedicated engineers to take care of this task.
Ticker Plant :
Tier-one firms pay around 7 Million USD per year in license and maintenance for these tasks. Add to that the FTEs needed to support and maintain the ticker plant cost easily adds to 10 Million USD. So, the firms need to generate that much money in trading to support this high cost operation.
Messaging Middle ware :
This is another big area where technology plays a crucial role. If one looks at the various communication messages that occur between the entities in trading, the low latency messaging infra is key for trading algos.
Storage :
Depending on the size of operation, firms pay any where between $10,000 to $2 Million for storage.
Colocation :
This is the first thing that any HFT set up wants in place. It costs around $1,500 to $10,000 per month. In INR terms it costs about 9 to 60 lakh per year.
Sponsored Access :
This accounts for 50% of the overall daily trading volume in the US equities market. Out of this 38% belongs to unfiltered sponsored access and 12% belongs to filtered sponsored access. The former involves no pre-risk management from the broker's end whereas latter involves some kind of risk management checks. The biggest advantage via a sponsored access it the low-latency that a firm gets. For a DMA , the level of latency is about 4 to 8 milliseconds whereas for co-located unfiltered/filtered access it is 300/650 micro seconds . Thus sponsored access is a big business for all the brokers in US. The following illustration gives an idea of the latency for sponsored access trading.
Liquidity
This section describes flash crash that occurred on May 6 2010. Firstly, what's a flash order ?
Given the above context, the section goes on to describe flash crash at a 10,000 ft view.
Trading Strategies
Trading strategies typically fall in to the following categories
A few examples of execution algorithms are mentioned such as VWAP, TWAP, Pegging, Arrival Price are mentioned, following it up with talking about order types. Obviously at this point it is clear that the content in this book is suited to be a report than a book.In fact there is a section where the authors refer to the content in the context of a report. So, clearly this book was some sort of report floated in Aite group that was then converted to a book format.
Expansion in HFT
This is a nice section of the book that gives a bird's eye view of HFT developments in various places across the world.
US Markets
This section lists a lot of metrics that give a sense of HFT development in various asset classes
In options, by default HFT makes sense as market making across various strikes and expirations manually is a nightmare. Various stock exchanges where options have traded have adopted different models to attract liquidity providers. Some have adopted maker/taker model while some have their own customized rules for attracting market makers.
European Markets
Like Reg NMS, there has been a trigger in the European markets for rapid market structure changes, called Markets in Financial Instruments Directive(MiFID). MiFID is by far the most ambitious piece of regulatory initiative within the European financial services industry. At the highest level, MiFID is designed to achieve the following goals:
The best execution burden is on the firm . This means that firm has to store historical data to be ready to prove that their execution complied with the regulation. This means opportunity for trading infra providers. Also “Bypassing concentration rules” that are part of MiFID have given rise to Alternative trading venues.Over the last two and a half years, multiple venues have emerged from the dust of MiFID, including MTFs and dark pools. These alternative venues are expected to account for more than 30% of pan-European equities trade volume by end of 2010.
Brazilian Markets
As early as 1990s there were close to 20 different markets. Now there is one single exchange , Bovespa. Electronic trading has started in futures market since July 2009 and the volumes have picked up a lot
Asian Markets
There are regulatory, IT, business and cultural obstacles that hamper the overall adoption of impending market structure changes. Unlike the US and European counterparts, there is no single pan-Asian capital market. Each major financial center has its own set of regulations and infrastructure, which makes it very tough for smaller players to build a significant presence in Asia.
The overall adoption of high frequency trading in Asia is expected to lag behind Europe by a significant margin driven by the lack of IT infrastructure, complexity in regulation, and lack of attractive market microstructure. However, the presence of high frequency trading firms in most of the major Asian markets confirms that given the right mixture of conditions, the penetration of high frequency trading flow could be significant and quite rapid
Positives and Possibilities
A complete managed solution includes the following components
Aite groups claims to have done an interview of 40 odd HFT firms and the following visual summarizes the finding on the key elements of a HFT managed solution
Close to 50% of the technology used in HFT firms is built in-house. The common themes of this in-house development are
In the quant analysis infrastructure, databases , especially HPDB( High Performance Databases) play a central role in quantitative trading.
There are two types of dbs used. One is where all the historical tick data is stored and the key is efficient retrieval of data for back testing. Second is the kind of db where the data is stored in memory and it is used for active analysis. The third area that is mushrooming is Complex Event Processing. In the context of dbs,, there are lot of decisions that need to be taken. Should the db be outsourced ? Will the current db infra be sufficient to expand beyond the traditional asset classes? The author seem to say that a HFT firm’s success/failure is critically dependent on the decisions taken about databases
The chapter talks about Smart order routing at length. Smart order routing is predominantly used by Broker/Dealers. The following illustration gives an estimate about the use of SOR by various entities
Market fragmentation and global trading are driving SOR adoption. Of the areas driving growth, Europe is leading the interest in adoption. The following visual gives an estimate of the growth potential of SOR.
What are the business drivers propelling SOR growth ?
I came to know about XBRL from this book and that it has been seen an enthusiastic adoption in Japan.In April 2005, the Securities and Exchange Commission announced an initiative to move financial reporting to an electronic filing system. In the electronic filing process, data is published using eXtensible Business Reporting Language (XBRL) to segregate financial information into structured eXtensible Markup Language (XML) documents that can be read by XBRL document readers and machines. Probably this is the reason why there are hedge funds whose main strategies are news driven.
The authors predict that once low latency solutions are available to anyone, anywhere, there will be a ton of trading startups in a lot of countries.
The chapter ends with these words
Colocation is available. There are managed trading platforms and sponsored access. It would seem that anyone with technical acumen, an understanding of the markets, and some statistical analysis skill could build a strategy and start trading in a low latency environment. Sure, capital is a barrier to entry, but there are firms out there willing to fund people with a good strategy. People in the Ukraine, India, the Philippines, Malaysia, etc. will figure out how to turn their technical acumen and market knowledge into a profitable strategy.
Credit Crisis of 2008:The Blame Game
The book ends with a brief description of various regulatory checks that have been put in place , post subprime crisis. There has been a lot of regulation on hedge funds, prop trading shops, derivative instruments, OTC securities, rating agencies etc that have been put in place and will be imposed on the wall street firms. Hopefully this regulation should make the markets stable in the times to come. But you never know, the next LTCM might happen in a few minutes time.
Even though the contents are published in a book form, this is more of a report on HFT. It gives an historical evolution to the current reality of stock exchanges in US , Europe and some Asian countries- High Frequency trading.
Posted at 10:28 PM in Finance, Programming | Permalink | Comments (0) | TrackBack (0)