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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8
votes
3answers
694 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 ...
7
votes
3answers
341 views

Is there data on market participants at a particular moment?

I am looking for data on market participants at a particular moment (or some proxy/approximation). For example, how can I tell whether mostly big players and HFTs are dominating the market in ...
24
votes
1answer
2k views

Is my trading strategy search methodology sound?

I'm building an algorithmic trading business. I'd be grateful for informed comments and opinions on my trading strategy search methodology. Goal Develop (profitable!) fully automated intra-day ...
16
votes
2answers
1k views

Statistical properties of stochastic processes for moving average trading to work

Common wisdom holds it that a moving average approach is more successful than buy-and-hold. There is quantitative evidence for that across different asset classes (see e.g. this book, or this paper ...
0
votes
1answer
208 views

What would be the impact of the US Credit Rating downgrade on Crude Oil Prices? [closed]

From a modeling point of view, here are my primary assumptions for Monday: a) I would expect the US$ to depreciate and crude oil to rise in the long term. b) Expect crude oil to dip in the short run ...
5
votes
4answers
680 views

Are there any brokerages which use URL-based web APIs?

We already have a list of brokerages that provide apis. What about brokerages that provide web apis? For example, Collective2 has a url-based web api for entering trades. Are there any brokerages ...
2
votes
0answers
623 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 ...
9
votes
2answers
1k views

How to simulate slippage

I'm backtesting a trading strategy, using free OHLC data from yahoo or google. I'm simulating friction by lopping a flat percentage (say 0.5%) off my returns for each day that I make a trade. Whats ...
5
votes
2answers
452 views

S&P 500 list of stocks since 1960

I am looking for the S&P 500 index list of stocks for each day since January 1, 1960. Does anyone know where I can find these lists?
6
votes
1answer
1k views

A generic limit order book: What are the most important queries it should be able to answer?

Assume a class LimitOrderBook which represents a limit order book in a trading system. To be able to represent the limit order book a data handler reads a feed ...
7
votes
4answers
1k views

Can the futures market's open interest predict commodity, treasury, and equity returns?

I came across this article and became curious. Can the futures market's open interest really predict market action?
2
votes
0answers
882 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 ...
10
votes
2answers
2k views

Is there a standard method for quantifying mean-reversion for use in directional trading?

Assuming a directional strategy (no pairs or spread trades) is there a "standard" method for quantifying mean-reversion? Should auto-correlation, variance ratios, hurst exponent, or some other measure ...
6
votes
2answers
352 views

Is there something like opportunistic “superstitious” trading?

This sentence in the following paper got me thinking: "Some traders [...] trade every pattern whether proven or not, expecting authentic ones to produce positive results, whilst the profits and ...
6
votes
1answer
535 views

Are special condition identifiers (e.g. AIG+) standardized?

Suffixes indicating class, preferred, new, etc., are well defined for NASDAQ and NYSE, but I can't find anything documenting the meanings of the trailing punctuation. For example, here's some that I ...
1
vote
1answer
948 views

basic stock trading strategies [closed]

What are some trading strategies for stocks (just stocks, no derivatives) using freely available online data sources?
8
votes
1answer
408 views

How to select/construct benchmarks for black-box trading strategies?

When faced with a black box trading strategy with extensive historical data available, how would one select/construct a representative benchmark? As a trivial example, when a strategy historically ...