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I have developed a holy grail


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I have developed a holy grail

  #11 (permalink)
 nites 
Belgrade, Serbia
 
Posts: 25 since Jul 2021


bobwest View Post

I counted 16 days worth of trading in the charts you showed, and you say it produced 2700 points in that time. One point of YM (Dow futures) is worth $5 per contract. So in that 16 trading day span, it produced 2700 x $5 = $13,500 before commissions, trading one contract. That's roughly $27,000 per month, for one contract, less a small amount for commissions, but negligible since it didn't do many trades. That's $324,000 per year, trading only one contract. For a modest trading size of 5 contracts per trade, it's $1,620,000 in one year. A person could keep multiplying -- why not 10 contracts? -- but the point is obvious. Anyone who could make these kinds of returns would be wealthy

Hi Bob,

I fully agree that 16 trading day span is insufficient amount of data to make a judgement. I've just started thread and I can't show you tests and trades for years back or forward trades in just two posts. My plan was to record trades on chart for a short time back in time and most importantly, to show you how the system trades in forward tests.

Backtests for certain instruments and period can be done, of course.



bobwest View Post

This is not a real money system that you actually trade. It may be something you expect will do well if and when you ever trade it, or it could be just something you have to sell. It could be a hobby system, something you worked out trying different ideas. It could be something that happened to work on paper for this timespan. It could be many things, but not something that is making you money now, reliably, in real markets. Because if it were, you would not be posting about it on an online forum. You would be enjoying the life of the very successfully rich.


I'm not sure why do you mean its not real money system. There is no expectation to do well, you can clearly see exact trades that would've been taken.

This is exact point of putting your trading models and ideas into indicator, you simply attach it to chart and you see if it works or don't.

If you believe that someone who has profitable system would be very successfully rich, it is completely wrong.
I'm sure you now trading is not just buying and selling market, but much more, especially discipline in risk management, keeping emotional control and sufficient capitalization. Anyone who believes that with 1000$ you can make millions is just delusional.



bobwest View Post

You say that "My idea for this thread is to make community case study." If you simply are going to post charts with your presumed results and talk about them, there is no "case study" going on, there is simply you promoting a secret system. You say that "If people here can see more value in something I can offer, than any other commercial or free stuff available, why wouldn't make it commercial?" But this forum is not available to you for the purpose of convincing the members that they should want to purchase a commercial system that you have shown them.

We have a bit of misunderstanding here. Case study means that I am trying to do is to share something that works, to see how people will react to it, will they believe it or not.

I'm not sure where you see convincing narrative to buy my system.
No one is being pushed into anything.

Only way I would commercialize my tools is by making every person that wishes to buy it, test it for themselves, for free.
I would never scam a single person.
Of course, according to FIO/Vendor relationship rules.

Thanks.


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  #12 (permalink)
 nites 
Belgrade, Serbia
 
Posts: 25 since Jul 2021


shodson View Post
I love these "holy grail" posts...so many dreams born and shattered.



Meanwhile...


So, explain me, what is the point of your post? You post screenshot of profits.
If I came here to scam people and brag how much money I made, luxury cars, etc. I would do same as you. Put bunch of profits and voila.

It is actually a sad world, where people believe in ridiculous nonsense, but are so ignorant to most obvious stuff that is usually lying in front of their eyes.

  #13 (permalink)
 kevinkdog   is a Vendor
 
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nites View Post
This is exactly why I don't do algorithmic backrest.
It can be skewed.
Only manual and forward test.

You can see trades taken on the chart, I can do that for past 1 year or whatever would make you happy.

That is a way to record trades, without a chance of manipulating results. Hope this helps.









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Maybe you missed my question, I'm curious about "skewing" algo backtests. Can you explain?

Thanks!

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  #14 (permalink)
 
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 bobwest 
Western Florida
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nites View Post
We have a bit of misunderstanding here. Case study means that I am trying to do is to share something that works, to see how people will react to it, will they believe it or not.

I'm not sure where you see convincing narrative to buy my system.
No one is being pushed into anything.

Only way I would commercialize my tools is by making every person that wishes to buy it, test it for themselves, for free.
I would never scam a single person.
Of course, according to FIO/Vendor relationship rules.

Thanks.

Well, I really don't believe your system works or that it makes you money. But that is not the point of my post. If you think you have a great system and you really don't, that is not actually a problem. I only care whether you are promoting it to our members and whether you are attempting to generate an interest in their buying something, even if in the far future. It can be a wonderful system or a terrible system, but if you're trying to sell it you will need to do that somewhere else.

This is the entire point. If you are posting so that people will think you system would profit them and you are preparing them to buy it, you are in violation of our rules. If not, you are fine. Promotional intent or promotional language are assessed in the usual meanings of the terms: intent to get someone interested in buying. I am telling you that you cannot do that here, and you cannot do the preparation for it here either.

You are explaining nothing. You present charts to say, "See, it works, see how great it is," but there is nothing to discuss because it's a complete black box, the workings unavailable. The only point seems to be to push the system. This is close enough to being promotional to have prompted these warnings. If you want to continue to present the system's results and if you want to discuss them then you can certainly do so, but this is fairly close to a sales job, and if you stray into frank promotions, we will need to step in.

Bob.

When one door closes, another opens.
-- Cervantes, Don Quixote
  #15 (permalink)
 nites 
Belgrade, Serbia
 
Posts: 25 since Jul 2021


kevinkdog View Post
Maybe you missed my question, I'm curious about "skewing" algo backtests. Can you explain?

Thanks!

Hi Kevin,

I've missed your question. Sorry about that.

Backtesting problems can be a topic for itself.

Let me try to summarize in a few steps.

1. Curve fitting - you have many automated strategies that show perfect equity curve. Then you start to trade it in real time and it falls apart like house of cards. What does this mean? They use genetic algorithm to test millions even billions of combination of parameters to find the perfect one to fit the data. This never works, and it will never work. Most of system backtests are done this way.
Model in the beginning is completely wrong and it can never be profitable in real trading.

2. Commissions - most people make backtests without any commissions included.

3. Martingale systems, gambling.

Not to mention hundreds of other software tricks, to manipulate H/L prices in order to make perfect equity line.

Hope this helps.

  #16 (permalink)
 kevinkdog   is a Vendor
 
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nites View Post
Hi Kevin,

I've missed your question. Sorry about that.

Backtesting problems can be a topic for itself.

Let me try to summarize in a few steps.

1. Curve fitting - you have many automated strategies that show perfect equity curve. Then you start to trade it in real time and it falls apart like house of cards. What does this mean? They use genetic algorithm to test millions even billions of combination of parameters to find the perfect one to fit the data. This never works, and it will never work. Most of system backtests are done this way.
Model in the beginning is completely wrong and it can never be profitable in real trading.

2. Commissions - most people make backtests without any commissions included.

3. Martingale systems, gambling.

Not to mention hundreds of other software tricks, to manipulate H/L prices in order to make perfect equity line.

Hope this helps.

Thanks, you mention all true things, but the same issues also hold true for manual backtesting that you say you do instead.


One really bad thing about manual backtesting is the ability to cheat - to say "I would not have taken that trade" or "it was a tick from my target, so I would have exited."

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  #17 (permalink)
 SpeculatorSeth   is a Vendor
 
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It is true that a backtested system can be susceptible to various problems including data snooping biases. However, that doesn't mean that you skip the backtest. Backtesting is important because it is the only way to empirically test the efficacy of a trading system. Empirical means verifiable by observation or experience. I can give you a strategy and a data set to test it against, and anyone can verify the results of that system. Without such evidence how can a person come to an evidence based decision on whether or not the idea is worth pursuing further? Moving forward without that information would be like putting the cart before the horse.

A good backtest is just the first step in the testing and verification process. If you can show the system has some historical validity then you can go about trying to show that the results continue to hold into the future. Before that point though there's not really much point in discussing anything else.

Four years worth of backtesting against ES futures is a good start.

  #18 (permalink)
 nites 
Belgrade, Serbia
 
Posts: 25 since Jul 2021


kevinkdog View Post

Thanks, you mention all true things, but the same issues also hold true for manual backtesting that you say you do instead.

One really bad thing about manual backtesting is the ability to cheat - to say "I would not have taken that trade" or "it was a tick from my target, so I would have exited."

I agree with you, that is why I show my charts with indicators that I use to trade. If you apply the same rules, you should get similar or same results as in backtest. But trust me, there is hundreds more ways to cheat in automatic backtests.


TWDsje View Post

It is true that a backtested system can be susceptible to various problems including data snooping biases. However, that doesn't mean that you skip the backtest. Backtesting is important because it is the only way to empirically test the efficacy of a trading system. Empirical means verifiable by observation or experience. I can give you a strategy and a data set to test it against, and anyone can verify the results of that system. Without such evidence how can a person come to an evidence based decision on whether or not the idea is worth pursuing further? Moving forward without that information would be like putting the cart before the horse.

A good backtest is just the first step in the testing and verification process. If you can show the system has some historical validity then you can go about trying to show that the results continue to hold into the future. Before that point though there's not really much point in discussing anything else.

Four years worth of backtesting against ES futures is a good start.

I never said I didn't do any backtests.

What I've done is mining years of data from most popular instruments to find statistical frequencies that occur in the market.
This is years and years of data used. Later, using those data, indicators are constructed and fed with the statistically verified periods of the market. And even today, indicators are adapted with every new bar that market prints.
This is empirical evidence you are looking for, backtests are just tip of the iceberg.

Preprocessing the market and mining the data is what gives robustness to an indicator, if model is valid, it will work always. It will always have statistical value and through adaptiveness, it will always follow market movements.

To spit some numbers, my effective edge over the market is around ~21.5 percent.
It can go few points up or down, but using law of large numbers, it will always return to above percentage.

Time for backtest really depends on timeframe you are trading. For Daily, yes, 4 years should be good, but with intraday timeframes, few months is perfectly okay.

Here is the backtest for last 4 months using 15m TF. Same trades as charts I posted in previous posts.


  #19 (permalink)
 Arch 
W.Coast, USA.
 
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nites View Post
Hi Kevin,

I've missed your question. Sorry about that.

Backtesting problems can be a topic for itself.

Let me try to summarize in a few steps.

1. Curve fitting - you have many automated strategies that show perfect equity curve. Then you start to trade it in real time and it falls apart like house of cards. What does this mean? They use genetic algorithm to test millions even billions of combination of parameters to find the perfect one to fit the data. This never works, and it will never work. Most of system backtests are done this way.
Model in the beginning is completely wrong and it can never be profitable in real trading.

2. Commissions - most people make backtests without any commissions included.

3. Martingale systems, gambling.

Not to mention hundreds of other software tricks, to manipulate H/L prices in order to make perfect equity line.

Hope this helps.

Your own backtest didn't have commissions included.

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  #20 (permalink)
 nites 
Belgrade, Serbia
 
Posts: 25 since Jul 2021



Arch View Post

Your own backtest didn't have commissions included.

True.
You can add commissions depending on your preferred broker, multiply it by number of trades, and get how much money will go into commissions.
Since this is not scalping system, commissions are not so important and will not affect system performance considerably.

All the best


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Last Updated on July 12, 2021


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