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Backtesting

  #11 (permalink)
Flash Gordon
Burlington, North, Carolina/USA
 
Posts: 19 since May 2019
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I would like to suggest an unpopular response in this arena.
Don't back test. Put your energies into other facets of trading that will actually help you be a better trader.

Best wishes in your trading,

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  #12 (permalink)
 kevinkdog   is a Vendor
 
Posts: 3,666 since Jul 2012
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Flash Gordon View Post
I would like to suggest an unpopular response in this arena.
Don't back test. Put your energies into other facets of trading that will actually help you be a better trader.

Best wishes in your trading,

How would you decide to go forward trading something (a strategy, setup, etc) live then?

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  #13 (permalink)
Flash Gordon
Burlington, North, Carolina/USA
 
Posts: 19 since May 2019
Thanks Given: 16
Thanks Received: 15


You just answered your own question.
Trade what is in front of you NOW.
Trade the repeating patterns and hopeful expectations as they happen NOW.
Assess the stop loss level (this determines if you can even open the trade) as the chart is developing NOW.
Trade very small NOW.
Do Not Accept draw downs, shut the loss down "immediately" NOW.
The winners will come!, they take care of themselves, but don't let them reverse more than say 50% of a real profit.
Use a super fast sledgehammer stop approach to everything else.
Don't over trade NOW. More watching, less trading is a good thing.
Never let a "system" or "AI" tell you to enter a trade.
News Flash!----Successful traders don't back test...never.

Best of trading,
FG

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  #14 (permalink)
 April 
Boston
 
Posts: 10 since Nov 2013

TS has excellent back testing and excellent performance reports of each test; do not back test during large news events - produces corrupted data.

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  #15 (permalink)
 kevinkdog   is a Vendor
 
Posts: 3,666 since Jul 2012
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Flash Gordon View Post
You just answered your own question.
Trade what is in front of you NOW.
Trade the repeating patterns and hopeful expectations as they happen NOW.
Assess the stop loss level (this determines if you can even open the trade) as the chart is developing NOW.
Trade very small NOW.
Do Not Accept draw downs, shut the loss down "immediately" NOW.
The winners will come!, they take care of themselves, but don't let them reverse more than say 50% of a real profit.
Use a super fast sledgehammer stop approach to everything else.
Don't over trade NOW. More watching, less trading is a good thing.
Never let a "system" or "AI" tell you to enter a trade.
News Flash!----Successful traders don't back test...never.

Best of trading,
FG

"Trade the repeating patterns" - that is telling me you are trading patterns that worked in the past, right?

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  #16 (permalink)
 
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 Blash 
Chicago, IL
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Platform: NT8,NT7,TWS
Broker: InteractiveBrokers, S5T, IQFeed
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Flash Gordon View Post
You just answered your own question.
Trade what is in front of you NOW.
Trade the repeating patterns and hopeful expectations as they happen NOW.
Assess the stop loss level (this determines if you can even open the trade) as the chart is developing NOW.
Trade very small NOW.
Do Not Accept draw downs, shut the loss down "immediately" NOW.
The winners will come!, they take care of themselves, but don't let them reverse more than say 50% of a real profit.
Use a super fast sledgehammer stop approach to everything else.
Don't over trade NOW. More watching, less trading is a good thing.
Never let a "system" or "AI" tell you to enter a trade.
News Flash!----Successful traders don't back test...never.

Best of trading,
FG

IMHO ....Back testing is valuable.... but also a skill in an of itself. One must learn this skill by being taught (a book for example from a skilled practitioner) and through study and practice.

Just running back tests without expert tutelage won't produce fruit. It's counter intuitive.

Seek out FIO local expert @kevinkdog for help..... his books Building Winning Algorithmic Trading Systems, + Website: A Trader's Journey From Data Mining to Monte Carlo Simulation to Live Trading (Wiley Trading)
by Amazon.com


Ron

...My calamity is My providence, outwardly it is fire and vengeance, but inwardly it is light and mercy...
The steed of this Valley is pain; and if there be no pain this journey will never end.
Buy Low And Sell High (read left to right or right to left....lol)
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  #17 (permalink)
 kevinkdog   is a Vendor
 
Posts: 3,666 since Jul 2012
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Blash View Post
IMHO ....Back testing is valuable.... but also a skill in an of itself. One must learn this skill by being taught (a book for example from a skilled practitioner) and through study and practice.

Just running back tests without expert tutelage won't produce fruit. It's counter intuitive.

Seek out FIO local expert @kevinkdog for help..... his books Building Winning Algorithmic Trading Systems, + Website: A Trader's Journey From Data Mining to Monte Carlo Simulation to Live Trading (Wiley Trading)
by Amazon.com


Ron

Thanks for the kind words Ron. I sincerely appreciate it.

A lot of what @Flash Gordon says are good points.

But when he says "trade the repeating patterns" he is in effect implying that you should backtest. Otherwise, why look for patterns?

"Trad(ing) the repeating patterns" is only possible by looking at the past instances of something, good or bad. That is backtesting!

The problem is most people only look over the last few days for those patterns, or even just on their current screen. That is not enough data. I like to see years of those patterns.

Even then, as @April wisely pointed out in another thread ( ) , there still might not be enough instances for one to feel comfortable with.

I would agree that for most people, backtesting is a waste of time, or worse -- since they do it incorrectly or haphazardly.

But when backtesting is performed correctly, it can be a great tool - one tool in a trader's toolkit.

Kevin

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  #18 (permalink)
Canuck88
Toronto Canada
 
Posts: 5 since Apr 2020
Thanks Given: 1
Thanks Received: 6

@kevinkdog or anyone else. The book mentioned about looks incredibly interesting. Is it a book for someone who is already sitting there with ideas and programming knowledge, or would someone just starting out get value out of it?

If not any books I should read? I noticed @kevinkdog has written many.


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  #19 (permalink)
 kevinkdog   is a Vendor
 
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Canuck88 View Post
@kevinkdog or anyone else. The book mentioned about looks incredibly interesting. Is it a book for someone who is already sitting there with ideas and programming knowledge, or would someone just starting out get value out of it?

If not any books I should read? I noticed @kevinkdog has written many.


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Thanks for asking. I'd say you'd get the most out of the book if you had some ideas, but more importantly, platform experience (programming, testing). You need that to implement the approach shown in the book.

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  #20 (permalink)
Canuck88
Toronto Canada
 
Posts: 5 since Apr 2020
Thanks Given: 1
Thanks Received: 6



kevinkdog View Post
Thanks for asking. I'd say you'd get the most out of the book if you had some ideas, but more importantly, platform experience (programming, testing). You need that to implement the approach shown in the book.



Thanks for the honest reply. I’ll work on those things before purchasing!


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Last Updated on September 23, 2020


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