Attempting to profit from short-term fluctuations in a security's price as opposed to investing in the security for use or income.

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6
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3answers
137 views

Application of Control Theory in Quantitative Finance

I have recently completed an MSc in Control Systems from a top university. It seems to me that control theory must have an application within quantitative finance. I would like to apply my degree ...
0
votes
1answer
162 views

How to projectP&L or drawdowns on pair trading , trading and portfolios?

This is for planning and risk management. I am stuck on the following thoughts - Back-test the trading strategy for a period similar to the one you expect and then project. Do the above using ...
2
votes
1answer
330 views

How trading in currency pair works, underlying techniques and mechanisms

I am somewhat experienced in Forex trading, but I have a question which has bothered me for quite some time. If we for instance go back in time four months, to before the beginning of value loss the ...
2
votes
1answer
138 views

Impact on bid/offer due to volume/size of trades placed

When observing bid/offer in the market I came across a question. How much trading a bond would impact its spread for subsequent trades ie. what is the impact on bid/offer due to volume/size of ...
0
votes
0answers
14 views

Stochastic Optimal Control for ratios

Do you know any good papers on methods of Stochastic Optimal Control and Hamilton-Jacobi-Bellman(HJB) for optimization of different ratios(Sharpe, M2, Sortino, Sterling, etc.)? Meaning that using ...
3
votes
0answers
160 views

Discrete Trading to reduce speculation

I recently read a paper by Terje Lensberg (2014) "Costs and benefits of financial regulation: Short-selling bans and transaction taxes" where he analyzed the effects of financial regulation (short ...
7
votes
1answer
418 views

Do intraday volume and volatility share the same properties?

volatility clustering and mean reversion are very well known properties that one could use when trading. Traders, especially in options world, do take realized vol into account (e.g. by forecasting it ...
1
vote
0answers
62 views

forecasting trading costs with end of day data

I am trying to create a model that forecasts trading costs (using end of day data, so no intra day data). My trading cost (also called Implemented Shortfall (IS) is defined as such for a single stock, ...
4
votes
3answers
102 views

Technical analysis - Calculating Aroon Indicator Serie

I'm trying to build a class to create Aroon series. But it seems I don't understand the steps well. I'm not sure about what purpose I have to use the period parameter. Here is my first attempt: ...
-1
votes
0answers
23 views

building a portfolio without knowing the initial capital

Lets say I have the trades made by trader X on multiple stocks and I want to aggregate them into a portfolio to compute the portfolio return over time. For instance, I know that X bought 10 shares of ...
12
votes
4answers
3k views

How to combine multiple trading algorithms?

Is it possible to combine different algorithms so as to improve trading performance? In particular, I have read that social media sentiment tracking, digital signal processing and neural networks all ...
0
votes
1answer
301 views

IB with R which package?

I want to implement my models in R and trade according to them with my IB account. Now I am wondering, how I should solve this problem? Do I need to program with C an access ...
0
votes
0answers
66 views

Java Implied Volatility Solving with Newtons Method

Hi I am currently working on implementing my newtons method to guess implied volatility and I have the same code as you do. However, my vol result goes to infinity and I have not figured out why my ...
1
vote
1answer
115 views

Can you explain me these comments on high frequency data?

I was reading some slides on high frequency data and i came across these statements: data discreetness induces high degree of kurtosis and Non synchronous trading and risk premium are ...
0
votes
1answer
143 views

How important is the limit order book?

I'm trying to understand how important the limit order today for NYSE, NASDAQ, Euronext and LSE. For example, when we talk about the volume traded during the day, what share of that volume has been ...
2
votes
1answer
161 views

Various ways to choose bonds for a butterfly strategy?

What are the various ways to choose bonds for a butterfly strategy? For eg., I already know the most common one i.e., choosing short and long term for the wings (barbell) and the medium term for the ...
12
votes
6answers
4k 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 ...
0
votes
0answers
71 views

Understanding how to calculate position profits and trading profits

I am analysing a data set of trader transactions and would like to implement the methodology found in the paper by Fishe and Smith 2012. The main problem I am having is understanding the difference ...
5
votes
3answers
3k views

What open source trading platform are available

I would like to compile a list of open source trading platforms. Something that would give an overview and comparison of different architectures and approaches.
0
votes
1answer
105 views

Gamma and delta P&L example question

I'm trying to get a basic understanding of this example delta ladder ...
1
vote
1answer
38 views

End-of-day holdings vs overnight inventory

I am wondering whether these two terms identify the same thing: overnight inventory end-of-day holdings The way I would explain it intuitively, the inventory that is held overnight should be ...
2
votes
1answer
53 views

Why asset management firms shouldn't be custodian of its own funds?

I am reading the Madoff case. One of the issue is BMIS Firm (Bernie Madoff Investment Securities) were acting as a Asset Management Firm, broker as well as Custodian. Why is it an issue? What sort of ...
1
vote
1answer
226 views

HAR-RV, realized GARCH and HEAVY model for realized volatility

I don't have much experience with volatility modeling using intraday data but I'm in the process of collecting 5mins data. Currently I have ~6 months of data. Is it enough to use these models with ...
1
vote
1answer
65 views

Market Timing Performance for a single stock

It seems there are models that study the market timing ability of funds. Models such as the Treynor-Mazuy and Merton-Henriksson. One can also study the bull beta and compare it to a bear beta. My ...
1
vote
1answer
56 views

Longer term average probabilities of fills at fx ECNs?

I am wondering whether anyone can share experiences and longer term average probabilities of fills when quoting inside the spread at various fx ECNs. I need to make an assumption of the probability of ...
22
votes
8answers
12k views

Digital Signal Processing in Trading

There is a concept of trading or observing the market with signal processing originally created by John Ehler. He wrote three books about it. Cybernetic Analysis for Stocks and Futures Rocket Science ...
0
votes
2answers
83 views

Historical data resources for Indian market

What is the best source for historical EOD data for Indian stock market? The data from Yahoo finance for some companies is not up-to-date and Google finance doesn't provide adjusted close prices. What ...
1
vote
1answer
75 views

Data on margin volumes?

I came across a Financial Times article today that said "Peaks in margin trading have been a precursor to bear runs in the past, notably in March 2000 and July 2007." I'm curious if anyone here would ...
0
votes
3answers
61 views

What is meant by “position at a given time” in the context of a series of forex trades?

Suppose you are only talking about a single currency pair, say EUR/USD. Throughout some period of time, you engage in trades with various other parties, sometimes buying, sometimes selling. The rates ...
2
votes
2answers
139 views

Problem when calculating the daily return on a forex trade, what is the best way to do such a calculation?

I intend to calculate the daily return on my investment in forex. Assume a trader invests $\$$40 at a leverage of 100:1, so in total he is trading $\$$4000 worth of currency, and assume the position ...
1
vote
2answers
683 views

HFT enhancements for FIX (Simple Binary Encoding) vs proprietary protocols performance and cost

I would like to know from those that have used FIX (with Simple Binary Encoding) for HFT compares with the current (proprietary) protocols in use that often vary per counterparty. Interested in ...
0
votes
0answers
21 views

What's the best filter to implement in order to assess the persistency of a FX devaluation?

I'm trying to to analyze the impact of a FX devaluation in companies' exports and earnings?
0
votes
2answers
161 views

Can selling put equity options be a good business?

In one of his last books Jack D. Schwager suggested that selling equity puts can be a good business. The puts are like insurance policies against market downturns and there is a natural demand. ...
5
votes
4answers
256 views

Efficient Markets Paradox

Basically all Quant Finance theory is build on No-Arbitrage presumption and Efficient Markets Hypothesis. The known Grossman-Stiglitz Paradox says: if one can't make money from trading, one wouldn't ...
20
votes
8answers
2k views

How to design a custom equity backtester?

I was thinking about writing my own backtester and I realize I have to make some assumptions. So I was hoping I could post what I am planning on doing and hopefully some of you can give me some ideas ...
4
votes
1answer
285 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 ...
0
votes
5answers
3k 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 ...
1
vote
2answers
423 views

Backtesting with Simulated Historical Data?

The trading strategies that are going to backtest well are the ones that pick the winners from the past. For example, if a trading strategy simply bought apple stock it would backtest extremely well. ...
0
votes
0answers
41 views

How to compute return of a variance swap?

How does one calculate the investment of a zero initial investment asset, specifically a variance swap? In this asset the payoff is given by the difference between the realized variance in a certain ...
4
votes
4answers
854 views

Usage of Bollinger bands

I looked through several sources on Bollinger bands and I do not see clear recipes of their usage. Wikipedia says "The use of Bollinger Bands varies widely among traders. " QSE discussion seems also ...
2
votes
1answer
254 views

How Much Capital is Needed to Start an Arbitrage Strategy?

I'm trying to experiment with a simulated simple arbitrage strategy. I'm not doing this to actually invest, I'm just curious if the market is inefficient enough for this to be feasible. Every ...
2
votes
2answers
272 views

How to combine trading signals to achieve higher capital efficiency?

I trade use a completely automated approach where all signals are generated by proprietary trading strategies. However, recently I encountered an challenging problem: Imagine we have 3 Strategies ...
1
vote
2answers
115 views

Is the purchase of a stock publicly accessible?

If an investor bought a stock, could another private party access that information anywhere? Does the SEC/exchange itself create a real time/ historical record of who holds what stocks, and is that ...
2
votes
1answer
346 views

What features does q /KDB provide for HFT use?

It appears q/KDB is being using for Time series analysis for HFT. What are some of the advantages of using ...
11
votes
3answers
3k views

How do I find the most diversified portfolio, or least correlated subset, of stocks?

I have a trading system that chooses top 10 stocks in Nasdaq 100 ranked on relative strength and some other factors. However, I'd like to take positions in only 5 of these 10 stocks based on how ...
1
vote
0answers
158 views

trading strategy outperforms passive strategy in absolute terms, but in returns vice versa. how could this be?

Background: I want to compare two trading strategies in term of profitability. The red one is an active trading strategy, which involves many entry and exit to a specific market. The blue one is a ...
8
votes
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?
2
votes
3answers
192 views

Why are short expiries associated with more pronounced volatility skews?

I've noticed that for a given strike price, the shorter expiration dates of options have more pronounced volatilities why is that?
1
vote
1answer
137 views

source for yahoo finance equities volume traded

I am looking at some academic studies regarding volume of stock traded. Yahoo Finance is used as the data source for volume. Does anyone know where the volume figure comes from? Is it a compilation ...
3
votes
1answer
282 views

Optimal Executions for Minimizing Slippage

There has been a considerable body of work for finding trading strategies that minimize the slippage wrt arrival price. For instance, the following are on of the most well known papers: [1] Robert ...