scitra.blogspot.com
Science Trader's Blog: June 2007
http://scitra.blogspot.com/2007_06_01_archive.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Saturday, June 30, 2007. C2 seems to grow fast. Click on picture to enlarge.). Posted by Science Trader. On Monday, I'm updating the weights of the systems in my portfolio. The last update was a month ago, and at that time the new weights were:. Trend Plays #1 20%. This Monday, I will adjust these to:. Trend Plays #1 67%. The reason for the substantial changes is that I all...
scitra.blogspot.com
Science Trader's Blog: October 2007
http://scitra.blogspot.com/2007_10_01_archive.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Tuesday, October 30, 2007. Put options on the Russell 2000 ETF (IWM) will expire in 2 weeks, so it's time to roll them forward. Therefore I sold (closed) the IWM Nov 72 puts today for $0.16 and bought (opened) the IWM Jan 72 puts for $1.26. Posted by Science Trader. Sunday, October 28, 2007. Trend Plays #1: 53%. Starting next week, the new weights will be:. If you believe t...
scitra.blogspot.com
Science Trader's Blog: July 2007
http://scitra.blogspot.com/2007_07_01_archive.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Tuesday, July 31, 2007. Weekend Trader Rolling Alpha and Beta. This post will be similar to the recent. One on Trend Plays #1, but with results shown for Weekend Trader. As we can see, no clear difference. Hence we can rule out that explanation. Posted by Science Trader. Posted by Science Trader. Monday, July 30, 2007. Trend Plays #1 Rolling Alpha and Beta. During the past ...
scitra.blogspot.com
Science Trader's Blog: New hedge
http://scitra.blogspot.com/2007/10/new-hedge.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Tuesday, October 30, 2007. Put options on the Russell 2000 ETF (IWM) will expire in 2 weeks, so it's time to roll them forward. Therefore I sold (closed) the IWM Nov 72 puts today for $0.16 and bought (opened) the IWM Jan 72 puts for $1.26. Posted by Science Trader. Subscribe to: Post Comments (Atom). New visitors: Please read this. Nice (17%) Profit on WYY. Introduction to...
scitra.blogspot.com
Science Trader's Blog: November 2007
http://scitra.blogspot.com/2007_11_01_archive.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Saturday, November 24, 2007. I've waited 2 weeks for your reactions and was happy to receive many, either by e-mail or as a comment here on this site. This is a short summary of those reactions:. Systems are likely over-optimized and lack adaptability to different market conditions. More criteria than just the Sharpe ratio are needed to select a system. Third, I agree that ...
edwardrobinson.wordpress.com
June 2012 Update | Technical Analysis Software Collection
https://edwardrobinson.wordpress.com/june-2012-update
Technical Analysis Software Collection. Technical Analysis Software Collection. On June 2012, the following software, books and courses are added to our list:. Super Timing, Master Time Factor and the WD Gann Timing System. Http:/ home.clear.net.nz/pages/bookdistribution/order.htm. Trading Systems from Striker Securities, Inc. ( http:/ www.striker.com. Clipper 2 ER, Impetus ER, Bounce TF, Bounce EMD and Axiom Trading Systems. Momentum Emini S&P Day-Trading Strategy ( http:/ www.eministrategies.com. And S...
scitra.blogspot.com
Science Trader's Blog: Portfolio Performance Statistics
http://scitra.blogspot.com/2007/06/portfolio-performance-statistics.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Thursday, June 7, 2007. I thought it might be useful to provide a little background on the portfolio performance statistics shown on the right. The P/L curve shows:. Equity[day t] / equity[day 1] - 1) x 100%. The Sharpe ratio is calculated as:. Mean(R - Rf) / sd(R) x sqrt(250). R is the series of daily returns, calculated as: equity[t] / equity[t-1]. Posted by Science Trader.
scitra.blogspot.com
Science Trader's Blog: August 2007
http://scitra.blogspot.com/2007_08_01_archive.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Saturday, August 25, 2007. A while ago, I asked the vendor of Weekend Trader if any backtest data were available. Initially, he send me several graphs. Overoptimization in the backtest (note the emphasis of massive; I think a little overoptimization is unavoidable and not a problem). Would be constant, the equity curve would follow a straight line. Posted by Science Trader.
scitra.blogspot.com
Science Trader's Blog: Some more analysis
http://scitra.blogspot.com/2007/11/some-more-analysis.html
A series of notes related to trading of systems offered by 3rd party vendors. Please read the disclaimer at the bottom of this page. Tuesday, November 6, 2007. So I decided to look at all end-of-day stock systems ever listed on C2 and see how often a "good-looking" system (based on the performance shown on C2) would continue to "look-good" in the future. I only included systems with more than 10 trades, and started by taking all systems with a track record of more than half a year. Some of these star...
