hi Barry,

thanks for your reply. I am close to a solution myself.

I tried something similar as you suggest but the problem I am having is that if 
the daily target is reached it needs to jump to the next day of intraday data 
and not jump out the loop entirely. I am close to the solution,

regards, Ed



  ----- Original Message ----- 
  From: Barry Scarborough 
  To: [email protected] 
  Sent: Tuesday, August 26, 2008 5:06 PM
  Subject: [amibroker] Re: backtest / equity curve


  Hi Edward,

  You can keep track of your daily gain and when that reaches your 
  threshold block your buy and short signals. For instance you might 
  use buyPrice and sell price to calculate gain / trade that keep gain 
  in its own array or static var, I prefer the latter, and just bump 
  the gain each time a trade is complete. 

  buy = buyCondition and gain < threshold.

  This way the back tester never sees the additional or potential 
  trades and will give you better results. Also in back testing if you 
  use buyPrice, etc., if you are using conditions that occur mid bar, 
  such as MA cross, then the back tester gives more accurate results. I 
  had to use explore and dump that to excel to finally get the back 
  tester to give correct results. Using close of the bar give incorrect 
  results.

  Barry

  --- In [email protected], "Edward Pottasch" <[EMAIL PROTECTED]> 
  wrote:
  >
  > hi,
  > 
  > anyone ever do a backtest on intraday data to exit trading for the 
  day when a certain profit is achieved? In the chart below the 
  intraday profit / loss curve is shown. I guess I could put this data 
  in a composite and use the compositie during a more detailed 
  backtest. Still the coding is pretty difficult since when the daily 
  profit is achieved you want the backtest to continue for the next day 
  of intraday data. 
  > 
  > Another way to test it would be to just analyze the data below. For 
  instance if +1000$ is achieved intraday jump to the next day, if not 
  take the profit/loss value at the close and just add these value. Not 
  so easy to program or have I been drinking too much liquor lately?
  > 
  > Wonder if anyone solved this problem or sees the solution?
  > 
  > thanks, Ed
  >



   

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