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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2
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3answers
1k views

Is MATLAB-generated code good enough for use in live trading?

I know that MATLAB has mechanisms for generating code, but I've never used them. Have you? If you have - is it good enough (=fast enough, I guess) to be used in live trading systems? Anything one ...
2
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2answers
604 views

.NET statistical packages recommendation

What open source or commercial .NET statistical package would you guys recommend? I am doing statistical arbitrage in options. The functions I need mainly are regressions, optimizations..etc. It would ...
2
votes
1answer
890 views

High-Frequency Traders and Front Running: What order types are they using? [closed]

I often hear in the news that High-Frequency Traders can front-run incoming trades because they are faster at acquiring information and to execute trades. I also read that speed is only a necessary ...
2
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3answers
185 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?
2
votes
1answer
932 views

What exactly is an ISO order?

I have been looking this up and I feel like I keep running into different definitions. My understanding is that an ISO order is one which will get filled with the displayed quantity in a particular ...
2
votes
2answers
829 views

Does Interactive Brokers (IB) have a Web friendly API?

The requirement I am given is to implement a web ppplication which utilizes Interactive Brokers's API to fetch data. I went through the IB API web page and came across two viable methods: TWS and IB ...
2
votes
1answer
128 views

Analyzing an incomplete set of trades

Say I have access to logs of all trades executed on an ECN with the price maker and taker named. These traders are only executing some of their flow on this ECN (anywhere from 5%-80% of their ...
2
votes
1answer
46 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 ...
2
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1answer
125 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 ...
2
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2answers
112 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 ...
2
votes
1answer
242 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
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2answers
228 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 ...
2
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1answer
305 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 ...
2
votes
2answers
427 views

What Forex Services support the ForexConnect API?

I need API access to get ForEx tickers and order books for currency pairs. From what I can tell there is a .Net API called ForexConnect which I can use to get this data. Now where can I get this data ...
2
votes
1answer
75 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 ...
2
votes
1answer
266 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
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0answers
173 views

Can a higher P/E ratio be beneficial under certain circumstances? [closed]

I am new to investing. I understand that the P/E ratio along with other data can be used to determine whether a stock may or may not be undervalued. Are there situations where a HIGH P/E is actually ...
2
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0answers
611 views

Hobbyist Quants [closed]

I'm interested in investing some money in the stock market, and I have the math background that will make following the math used in quantitative finance possible (with some work). What are the ...
2
votes
0answers
854 views

Which CEP platform is most popular for trading systems? [closed]

I heard that trading firms employ CEP platforms such as StreamBase, Marketcetera, JBoss Drools, and etc., to implement trading systems. I wonder which one is most popular and the recent trend of ...
1
vote
4answers
3k views

What are the common trading systems for hedge fund automated trading?

Is there any common trading system that is implemented by hedge fund, especially for equity or forex automated trading? I know some big names like Sungard and Bloomberg. Is there any other choices ...
1
vote
1answer
69 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 ...
1
vote
2answers
114 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 ...
1
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2answers
596 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 ...
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2answers
4k views

How to use PCA for trading

Can anyone give me a few pointers of how to approach using PCA for trading? In particular, it seems to me, PCA is useful for selecting a subset of a portfolio of stocks(or other) rather than trading ...
1
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1answer
932 views

basic stock trading strategies [closed]

What are some trading strategies for stocks (just stocks, no derivatives) using freely available online data sources?
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1answer
44 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 ...
1
vote
2answers
223 views

Brokers offering low-cost / free accounts [closed]

I'm attempting a "hello world" of live algorithmic trading. A script that pulls in tick data, presents it visually, and allows me to buy / sell at the press of a button. Also a toggle between { fake ...
1
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1answer
99 views

Trading Elasticity Research

Is there any good research on the price elasticity of trading in financial markets? Things like optimal fee structures and the like?
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1answer
161 views

Add transaction costs to prediction

An algorithm predicts price movement by some certainty and it invests proportional to the confidence level. Predictions range from -1 to +1, -1 meaning sell for a value of ...
1
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1answer
59 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
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1answer
36 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 ...
1
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1answer
180 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
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2answers
338 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. ...
1
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1answer
156 views

Penny jumping in the direction of the price

Reading through examples of legal front running, I'm struggling to understand how "penny jumping" (http://www.wikinvest.com/wiki/Front-running) can be profitable. Suppose stock ABC is trading at a ...
1
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2answers
396 views

Machine Learning on matlab 2010

I am trying to develop a trading model. It uses certain technical and fundamental features and the model learns from the past. I have a 3-class output - bullish, neutral and bearish. On trying neural ...
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3answers
800 views

How to trade volatility?

I am analyzing the volatility of financial stock returns and let's say I have a pretty good model to forecast tomorrows volatility of the stock returns. So let's say for simplicity reasons I have a ...
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1answer
212 views

Why use leverage when it does not improve the risk/reward ratio? [closed]

Leverage will increase gains when things go right but will also increase losses when things go wrong. Mathematically speaking, it does not change the risk/reward ratio (or does it?). Since ...
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2answers
556 views

Evaluating forecasting algorithm

I am trying to evaluate a forecasting algorithm for stock price prediction. However, the performance of the algorithm may be very much tied to the trading strategy. Is there a systematic way for ...
1
vote
1answer
479 views

Arbitrage between markets

I'm trying to understand how arbitrage works, but I'm having some difficulties based on some restrictions: I have markets A, B and C. The currencies that are traded are X <-> Y, and X <-> Z. ...
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0answers
117 views

Trading Strategy Code [closed]

I am an undergrad student and for a final project I'm looking to create a trading algorithm (doesn't have to make money just needs to make sense and run). I'm coding in C++ and have fairly limited ...
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0answers
143 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 ...
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1answer
127 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 ...
0
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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 ...
0
votes
2answers
141 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. ...
0
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2answers
169 views

Interpretation of PCs

I have computed PC1 and PC2 wts on future contracts derived from cumulative log differences. How can I use them to get back the theoretical price of each contract using those 2 pcs? Thanks in ...
0
votes
3answers
54 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 ...
0
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1answer
451 views

Selecting timeframe for time series analysis

In technical analysis, we may use confluence of direction for 3 timeframes to roughly gauge bias of market now. Similarly, if we use time series forecasting methods to predict(say daily data-whether ...
0
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1answer
52 views

Gamma and delta P&L example question

I'm trying to get a basic understanding of this example delta ladder ...
0
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2answers
51 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 ...
0
votes
1answer
96 views

what is considered material information? [closed]

I'm trying to understand what is considered "material" information held by an executive of a company. There is company information that an executive (say insider) will know that a public investor will ...