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Ditto! I completely agree and have found it to be true in my own testing.
However, I would add that I like to test my systems with data that exhibits
a different character than the character of the most recent 6 months or so.
I find old tick data useful for this.
Brian.
-----Original Message-----
From: Ron Augustine [SMTP:RonAug@xxxxxxxx]
Sent: Thursday, March 26, 1998 7:36 PM
To: Jim Cox; omega-list@xxxxxxxxxx
Subject: Re: Backtesting
Right-On Jim! -- You have full agreement from this corner of the planet --
maybe your comments will help some and prompt others who disagree to
provide
proof that supports their argument...
-----------------------------------------
At 08:17 PM 3/26/98, you wrote:
>backtesting beyond the past few months is a
>complete waste of time. What happened in 1982, 1987, 1992, 1995, or 1997
>has absolutely no bearing on how the stock index futures trade today.
Where
>TradeStation "thinks" it got in a market is probably WAY off. If it got
in
>at all.
> Don't get me wrong, I use TradeStation everyday to make a living. I
admire
>the product. Just don't get fooled by the idea of successful backtesting a
>"system" will in anyway insure success today. The markets HAVE changed,
and
>will continue to do so. You will NOT get the fills that TradeStation
thinks
>you do. Especially in today's markets.
>
> Just some thoughts....
>
> Jim
>
>
>
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