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General Discussion · Computer question
Rick67
msg #99434
3/1/2011 8:27:14 AM

If you mean "notebook" as opposed to "laptop", then memory may be more important. Small notebooks sometimes come with only 1 GB of memory and tend to be slow no matter what you do. You can add additional memory to speed it up.

The processor should not matter. Today's processors are extremely fast.

The second thing to do with speed on the internet will be what kind of internet connection you have. If you are using phone lines (heaven forbid) you will be very slow. If you have DSL or Cable you will be fine for the most part.

Use Speedtest.net to test your download speeds.

Rick

General Discussion · Open Interest Historical Data
Rick67
msg #99415
2/27/2011 11:11:27 AM

Check out http://www.crimsonmind.com/optionsR/index.aspx


General Discussion · Date offset is...causes filters to disappear
Rick67
msg #99333
2/22/2011 1:21:57 PM

From my list of filters, I can click on any one filter and get the current results.

I can use the drop down menu to select 3, 6 or 12 months back. This works fine.

I can use the date offset is box and go back 60 days and this works fine. However when I use 145 or 150 days back, my filter list box goes blank and no stocks are displayed in the filter.

What is wrong?

Rick

General Discussion · Trade statistics breakdown
Rick67
msg #99296
2/21/2011 8:49:07 AM

RE: How can I get my draw down lower?

I have done a lot of system testing in Amibroker. This is a program that allows one to optimize various variables (including stop losses) to find the best value. Sounds good, but in a nutshell, optimization can be a trap.

Anyway back to the subject. Basically you can lower drawdowns but at a trade-off. Once you lower drawdowns with stop losses etc,. you start reducing the percentage of winners and overall profit. You have to find a happy medium you can live with.

Rick

General Discussion · Trade statistics breakdown
Rick67
msg #99117
2/15/2011 4:11:09 AM

Anything will work great when tested over a market uptrend. How does it work on a sideways or downtrending market? Try testing this from May 5, 2010 to 9/10/2010.

Backtesting Support · Can I change the filter in backtest then create a new backtest??
Rick67
msg #98798
1/30/2011 12:45:54 PM

I am new and finding it confusing navagating between MY FILTERS and BACKTESTING.

If I do a backtest with a moving average such as "MA(10) - MA(35)" the next thing I want to do is change the MA parameters and test it again. For example, now test "MA(20) - MA(55)".

It seems awkward to go back to MY FILTERS and go from there.

Is there a way to create a new backtest in the backtest tab without losing the original tests?

It would be nice if the "copy" function in Bactesting would then allow me to rename the backtest and change the MA parameters.

If I am missing a quicker way than going back to MY FILTERS to change the parameters, please let me know.

Thanks,
Rick

General Discussion · Using "OR" ??
Rick67
msg #98664
1/20/2011 9:20:22 AM

Can you point to a specific message in the forum?

Searching for "TRO" brings up 18 pages of messages.

I can't search for "OR" because it is used in many words such as "for", "word" etc.

I appreciate your help!

Rick

General Discussion · going from SF backtesting to real market?
Rick67
msg #98655
1/19/2011 5:28:45 PM

Look into www.Amibroker.com

They can backtest and optimize your system. If I remembe correctly they also integrate with a broker or two.

General Discussion · Using "OR" ??
Rick67
msg #98654
1/19/2011 5:00:01 PM

Does "OR" work in a filter?

I cannot find mention of it in the manual.

Thanks,
Rick

General Discussion · 20 month EMA
Rick67
msg #98606
1/16/2011 11:09:43 AM

Actually, there are about 22 trading days per month.
So 20 months = 440 days.
So EMA(440) should be equivalent to a "monthly" EMA(20).
Am I thinking correctly?

HOWEVER: there is a limit to the number of days one can use and thru experimentation it is 400 days.

So right now I have a EMA(400) line on my charts...it seems to do the job.

MY filter says "and Close above EMA(400)".

Rick

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