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Entries Tagged as 'kurtosis'

Intricacies of Market and Trend Following Changes

March 10th, 2010 · 14 Comments · Strategies

In the last post we looked at the Turtle Trading system and saw that its performance went from outstanding for a long period of time to flat for 20 years. This opens a can of worms: Does Trend Following work, is it dead, do markets change, does trend following rules need to adapt to these […]

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Tags: autocorrelation·distribution·kurtosis·michael covel·niederhoffer·Turtle·walk-forward

Why Trend Following works: Autocorrelation?

February 24th, 2010 · 13 Comments · Data, Strategies, Trend Following

Is it important to understand why Trend Following works (ie what are the sources of its profitability)? I believe yes. Because markets are non-stationary (changing all the time), their characteristics – including those at the root of Trend Following profits – are changing too. Understanding these market characteristics is a first step towards […]

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Tags: autocorrelation·distribution·kurtosis·options·Stats

Price Distributions and Trend Following

December 8th, 2009 · 8 Comments · Data, Forex, Trend Following

I posited in an earlier post that fat tails are one of the main reasons why trend following works. The underlying concept can be summarized as follows: trend following attempts to capture big price moves (a.k.a. trends). Since price distributions are leptokurtic (i.e. they exhibit fat-tails) long trends occur at abnormal frequency, providing greater sources […]

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Tags: distribution·kurtosis·research paper

Au.Tra.Sy blog, Systematic Trading research and development, with a flavour of Trend Following.

Disclaimer: Past performance is not necessarily indicative of future results. Futures trading is complex and presents the risk of substantial losses; as such, it may not be suitable for all investors. The content on this site is provided as general information only and should not be taken as investment advice. All site content, shall not be construed as a recommendation to buy or sell any security or financial instrument, or to participate in any particular trading or investment strategy. The ideas expressed on this site are solely the opinions of the author. The author may or may not have a position in any financial instrument or strategy referenced above. Any action that you take as a result of information or analysis on this site is ultimately your sole responsibility.

HYPOTHETICAL PERFORMANCE RESULTS HAVE MANY INHERENT LIMITATIONS, SOME OF WHICH ARE DESCRIBED BELOW. NO REPRESENTATION IS BEING MADE THAT ANY ACCOUNT WILL OR IS LIKELY TO ACHIEVE PROFITS OR LOSSES SIMILAR TO THOSE SHOWN; IN FACT, THERE ARE FREQUENTLY SHARP DIFFERENCES BETWEEN HYPOTHETICAL PERFORMANCE RESULTS AND THE ACTUAL RESULTS SUBSEQUENTLY ACHIEVED BY ANY PARTICULAR TRADING PROGRAM. ONE OF THE LIMITATIONS OF HYPOTHETICAL PERFORMANCE RESULTS IS THAT THEY ARE GENERALLY PREPARED WITH THE BENEFIT OF HINDSIGHT. IN ADDITION, HYPOTHETICAL TRADING DOES NOT INVOLVE FINANCIAL RISK, AND NO HYPOTHETICAL TRADING RECORD CAN COMPLETELY ACCOUNT FOR THE IMPACT OF FINANCIAL RISK OF ACTUAL TRADING. FOR EXAMPLE, THE ABILITY TO WITHSTAND LOSSES OR TO ADHERE TO A PARTICULAR TRADING PROGRAM IN SPITE OF TRADING LOSSES ARE MATERIAL POINTS WHICH CAN ALSO ADVERSELY AFFECT ACTUAL TRADING RESULTS. THERE ARE NUMEROUS OTHER FACTORS RELATED TO THE MARKETS IN GENERAL OR TO THE IMPLEMENTATION OF ANY SPECIFIC TRADING PROGRAM WHICH CANNOT BE FULLY ACCOUNTED FOR IN THE PREPARATION OF HYPOTHETICAL PERFORMANCE RESULTS AND ALL WHICH CAN ADVERSELY AFFECT TRADING RESULTS.

THESE PERFORMANCE TABLES AND RESULTS ARE HYPOTHETICAL IN NATURE AND DO NOT REPRESENT TRADING IN ACTUAL ACCOUNTS.

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