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feng2088

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Hello all,

 

I was here three weeks ago asking for help on some coding issues. A lot of you advised me to learn and read more about EasyLangage. I really appreciated your suggestions. Now I am able to program some simple strategies with EasyLanguge. I came up with a strategy that has a 91% winning rate. However the profit factor is only 1.15 and the total net profit is less than the total commission. I tested this strategy with one emini contract on a two year 1-mini data feed. Can you please review the attached performance reports and advise if this strategy is applicable? Should I find a new broker that offers lower rates? Thanks.

report.thumb.JPG.fcf8eaeb93513b390a741bf0fb39709f.JPG

report2.thumb.JPG.744f402342ef890db5cb61808794a49e.JPG

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Hello all,

 

I was here three weeks ago asking for help on some coding issues. A lot of you advised me to learn and read more about EasyLangage. I really appreciated your suggestions. Now I am able to program some simple strategies with EasyLanguge. I came up with a strategy that has a 91% winning rate. However the profit factor is only 1.15 and the total net profit is less than the total commission. I tested this strategy with one emini contract on a two year 1-mini data feed. Can you please review the attached performance reports and advise if this strategy is applicable? Should I find a new broker that offers lower rates? Thanks.

 

Are you using limit orders to enter and exit?

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you're giving a HUGE portion of your profits to pay commissions.

the current strategy doesn't seem viable to me....just an opinion.

couple of questions

1- did you 'optimize' you efs strategy for the e-mini?

2- have you looked at fewer trades with higher targets?

3- are you using an auto-trader?

peter.

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Looking at your report, one must also consider the slippage for a strategy which will generally be higher than the commissions. It is probably a good idea on any tested strategy to use a minimum of 1 tick slippage for each entry and each exit. I have seen many systems that were returning 200% annual return take a nose dive and blow the account within the first week of trading when factoring in slippage and commissions. We generally add four ticks slippage a round turn trade and $5 commission, even though most of our strategies are very short term styled trading. Most software programs allow you to set these costs in your parameters where they are automatically calculated into your summary reports.

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Thanks all. You are right I didn't think about slippage. I think I should use limit orders to enter and exit. Are there any reserved words I can make Tradestation to buy at bid and sell at ask? And if the buy order didn't get fill in 5 second, the trade would be cancelled? Thanks

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" Buy next bar at open next bar -0.25 limit " ----- would this line of codes help me get the position filled at the bid price? how long would TS wait until it cancels the excecution if the order doesn't get filled? I will be trading on a 1 min time frame. Thanks

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To help control slippage, I do use limit orders to enter positions in an attempt to achieve the best fill price possible at my anticipated price level. With that said, I do not use limit orders to exit a position when my profit objectives are reached. When it is time to exit the market, I want out and I am willing to give up a tick or two of slippage to exit my position to assure I get out. An exception to this rule is in non-liquid markets or during night sessions that are thinly traded. This slippage is calculated into my profit objectives which takes into account the number of total contracts in the position that must be liquidated. As mentioned in my earlier post, there should be a setting in system properties to add commission and slippage to your backtesting results (see image, Commission & Slippage).

 

When you ask about entering at the bid and ask prices, I assume you are referring to backtesting strategies. It has been a great while since I have worked with Tradestation but I do know Multicharts (which we utilize as well as RightEdge) can be configured to backtest using the ask and bid prices (see image, Backtesting Ask & Bid). In a live trading environment it is of smaller concern since limit orders are requesting to be filled at your stated price or better.

 

As for your 5 second cancelation of orders: That may limited to the time frequency (i.e., 1,2,3—minute bars) used to generate a condition which triggers an order. There are also various ways to code an exception when using tick data that can cancel outstanding orders after a certain period. For live or simulated (demo account) trading, it could be a function of the broker API. You may also have the option to convert limit orders into market orders after a certain length of time (see image, Convert Orders).

 

Your example of a buy order depends on your objective. Are you wanting to get filled at a certain price, or are you wanting to simulate the cost of trading into your strategy (which may be accomplished as described above). Also, depending on trading objectives (and your setting, environment, data frequency) you may wish to enter an order before the completion of the one minute bar once a signal is triggered. This may be accomplished by enabling Intra-Bar Order Generation (see image, Intra-Bar Order Generation) which may also be coded directly into the script (i.e., [intrabarOrderGeneration = True]).

 

If you are actually needing to enter the order one tick below the next bar’s opening price of say, ES for instance: Buy 1 contract Next Bar (Open - .25) Limit ; However, the problem with this type of order (as is characteristic in limit orders) is you can be right about anticipated price direction and not profit from being right simply because prices never retrace to your limit price. I use limit orders when I am expecting a retracement of prices to a certain level prior to heading in my desired direction.

 

There are always trade-offs and what works for me may not work for you or anyone else. Reminds me of the saying that we don’t trade the markets, we trade our beliefs. Hope this helps.

5aa7105d774b6_CommissionSlippage.png.2debb6ecbb124fd38fc42ee253544314.png

5aa7105d7c5a7_BacktestingAskBid.png.029dd67475d4154cb0c287d7f0b22998.png

5aa7105d80ba8_ConvertOrders.png.379a92595a8d66313e7f2b92debfdae0.png

5aa7105d83aea_Intra-BarOrderGeneration.png.3c48b9c9203b1cd8d76d47e67c8ec937.png

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Thank you much for your post, Billy! I modified my codes and now for both buy and sell I use limit orders (see below). I want $0 slippage always. You mentioned that if I used -0.25 limit, my order may not be filled, That is ok since I will be trading on the 25 ticks time frame. I don't mind missing those opportunities. I am not ready to go live yet as I am not sure if i miss anything here. I attached couple screenshots of my strategy performance and settings . The return seems good when I backtest it, but would I see a big discrepancy if I go life? Thanks

 


Buy next bar at open next bar -0.25 limit ; 

If Positionprofit > x amount then 

Sell next bar at Positionprofit limit;

5aa7105d8fa27_Performance1.JPG.26d61f603b3f571309b9d7bad44a0df9.JPG

5aa7105d94b52_Performance2.JPG.15131a15b12e3d39aa5bca49e6d93d9d.JPG

5aa7105d989ff_strategysetting1.JPG.4900430425af1814e886d13aa25a3f9c.JPG

5aa7105d9c37e_strategysetting2.JPG.ae52f2d89d5cbd84a7c8c89d49f65a19.JPG

5aa7105da0853_strategysetting3.JPG.3b23147142a56b1163df68a70e82c688.JPG

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feng2088,

 

I would recommend you shoot for less trades, and more dollars per trade. Also, limit orders will eliminate slippage, but you will miss out on your best trades, so there is still an expense that should be considered. You should check the "Fill entire order when trade price exceeds limit price" which will give you a more realistic report. Also, you must test this on a time frame NOT within the time frame you optimized on. This will be your out-of-sample test, and will tell you if your strategy has any chance of success.

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The performance report shows that your average losing trade is ten times larger than your average winning trade, so a 90% win rate is basically keeping you even. Of course once you figure in the commissions and slippage on all of those trades you're just digging a hole for yourself. You may want to revisit the strategy or look for a new one. As others have said I'd suggest a strategy that has fewer trades each day and also one that has winning and losing trades more similar in size. That way if you can come up with a 60% - 70% win rate you'll do a whole lot better than with the strategy you showed us. I'd steer away from a system that gives the performance you showed us.

Good luck

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at 25 tick time frame, you may not be able to get your order to the TS server in time. when you modify an order, I think TS will cancel the original order, wait to confirm it's cancelled, and then send a new order.

 

also make sure you are not on magic fills and on realistic fills.

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Basically, your Profit Factor Should be more than 1.5, even if only half of your trades are profitable. Use slower time frame, and do a back testing for at lease few years, and forward tests if you optimize the strategy in any way.

 

If you optimize the strategy, the easiest forward test for any strategy is to apply the strategy to all the data possible without recent X months. Then do the the rest of coding, optimization, and add the data you were missing. This way you will see if the strategy will even work for the X months.

 

All the best,

 

Lukas

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