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NT8 Performance Analysis Thoughts


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NT8 Performance Analysis Thoughts

  #11 (permalink)
 
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 Neo1 
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jflaggs View Post
That's the commissions fee for TradeStation. Either .01/share or flat 5 bucks. I wouldn't be interested in trading less than 500 shares for the sub $300/share stocks that I follow, so 5 bucks in and 5 bucks out is the better deal. Which platform allows you to trade 500+ shares for less than that? I haven't looked around much yet.

How big is your account size?

So you will be taking on positions with a notional value of 100k plus? If so, then the results are going to look nothing like the stats that you have posted.


IB fixed rate comms start from 0.005 per share( min $1).

"Free markets work because they allow people to be lucky, thanks to aggressive trial and error, not by giving rewards or incentives for skill. The strategy is, then, to tinker as much as possible and try to collect as many Black Swan opportunities as you can"
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  #12 (permalink)
jflaggs
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Neo1 View Post
If so, then the results are going to look nothing like the stats that you have posted.

How so?

I will be trading between 1 and 10 leverage. No more than that. Will definitely have to check out IB!

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  #13 (permalink)
 
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 Neo1 
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jflaggs View Post
How so?

Because your Avg time in a market was 121min. A popular sub $300 stock could move $1-2 within that period. If your min position is 500 units and the stock is moving $1-2 dollars, you could be +/- $500-1k. So your Avg winning/ losing trade is going to be much greater than what you have reported.


jflaggs View Post
I will be trading between 1 and 10 leverage. No more than that. Will definitely have to check out IB!

How do you intend to get 10:1 margin from Trade Station? I assume your account size must be in the low six figures.

"Free markets work because they allow people to be lucky, thanks to aggressive trial and error, not by giving rewards or incentives for skill. The strategy is, then, to tinker as much as possible and try to collect as many Black Swan opportunities as you can"
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  #14 (permalink)
jflaggs
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Neo1 View Post
Because your Avg time in a market was 121min. A popular sub $300 stock could move $1-2 within that period. If your min position is 500 units and the stock is moving $1-2 dollars, you could be +/- $500-1k. So your Avg winning/ losing trade is going to be much greater than what you have reported.
How do you intend to get 10:1 margin from Trade Station? I assume your account size must be in the low six figures.

I see your point. 121min is not by any means a fixed number. The range is more like 1min to several hours. I don't plan to use TradeStation, I just used it as a reference to compare my options for commissions. Thanks for your input.

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  #15 (permalink)
 ShatteredX 
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jflaggs View Post
ShatteredX,

Slippage is set to 2p which is fairly realistic, so it's the commissions that are troubling. The performance numbers will be the same after commissions are added, but the net profit will be much less. This tells me that it has potential, but needs some work in the win:loss ratio as others have pointed out in this thread.

The performance numbers will be worse if you add commissions. Less net profit will mean lower Sharpe, profit factor, avg. trade, etc. Am I wrong here? I am a futures trader so my assumptions might be wrong regarding FX.

Back to your original post, any strategy that actually makes a net profit in live trading could be a good strategy. Personally, I calculate a reward/risk ratio to determine whether a strategy is worth trading live or not.

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  #16 (permalink)
jflaggs
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ShatteredX View Post
The performance numbers will be worse if you add commissions. Less net profit will mean lower Sharpe, profit factor, avg. trade, etc. Am I wrong here? I am a futures trader so my assumptions might be wrong regarding FX.

Back to your original post, any strategy that actually makes a net profit in live trading could be a good strategy. Personally, I calculate a reward/risk ratio to determine whether a strategy is worth trading live or not.

Hmm, well even when including commissions in NT8 Strategy Performance, the other parameters are not affected. So I think that it is measuring your strategy's fundamental performance characteristics. Yes, if commission were factored into each trade, I think that it would be much worse. I agree, we have lots of work to do to get my risk/reward ratio up!

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  #17 (permalink)
 ShatteredX 
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jflaggs View Post
Hmm, well even when including commissions in NT8 Strategy Performance, the other parameters are not affected. So I think that it is measuring your strategy's fundamental performance characteristics. Yes, if commission were factored into each trade, I think that it would be much worse. I agree, we have lots of work to do to get my risk/reward ratio up!

I just tested one of my strategies to see if including commissions changed profit factor and Sharpe Ratio.

Including comissions:
PF: 1.38
Sharpe: 0.70

Not including commissions:
PF: 1.40
Sharpe: 0.72

To get commissions to be included properly, you have to edit your Sim101 account in the "Accounts" tab in NT8 and select a commissions template.

This strategy only trades about once a day so commissions don't affect it much. I use market orders so slippage is a much bigger concern for me.

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  #18 (permalink)
jflaggs
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ShatteredX View Post
I just tested one of my strategies to see if including commissions changed profit factor and Sharpe Ratio.

Including comissions:
PF: 1.38
Sharpe: 0.70

Not including commissions:
PF: 1.40
Sharpe: 0.72

To get commissions to be included properly, you have to edit your Sim101 account in the "Accounts" tab in NT8 and select a commissions template.

This strategy only trades about once a day so commissions don't affect it much. I use market orders so slippage is a much bigger concern for me.

Thanks. I see. I definitely went back and created a commissions template after creating this post. I guess it didn't affect my performance parameters very much, so you're right about that (sharpe ratio, profit ratio, etc are the same).

What's interesting is that it didn't include my commissions in my net gain. The performance results calculated commissions, gross gain, and gross loss separately and used netGain = (grossGain - grossLoss). So I had to subtract commissions manually. Does it do that for you as well?

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  #19 (permalink)
 ShatteredX 
Houston, TX
 
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jflaggs View Post
Thanks. I see. I definitely went back and created a commissions template after creating this post. I guess it didn't affect my performance parameters very much, so you're right about that (sharpe ratio, profit ratio, etc are the same).

What's interesting is that it didn't include my commissions in my net gain. The performance results calculated commissions, gross gain, and gross loss separately and used netGain = (grossGain - grossLoss). So I had to subtract commissions manually. Does it do that for you as well?

No, including commissions reduces Total net profit for me. It also reduces Gross profit and increases Gross loss.

Maybe it's because you're using Replay? There might be a bug with it. I'm using Strategy Analyzer.

Including commissions:


No commissions:


I'm not totally familiar with NT8 yet, still mainly running NT7.

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  #20 (permalink)
jflaggs
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ShatteredX View Post
No, including commissions reduces Total net profit for me. It also reduces Gross profit and increases Gross loss.

Maybe it's because you're using Replay? There might be a bug with it. I'm using Strategy Analyzer.

I'm not totally familiar with NT8 yet, still mainly running NT7.

Hmm. I'll have to ask NT support about that then. Yeah, I need to use replay because my strategy uses tick data. Nice results (: Your commissions are super low. I'm assuming you're frequency is less than 2 trades/day. Very nice PT as well. I don't know if I could survive that Max draw down though haha.

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Last Updated on August 22, 2017


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