Tick 16 code 
From Lawrence Chan’s Trading Techniques for the July issue. Thanks.

 

* Param1 is the extreme value, param2 is the trigger, param3 is the look back period, param4 is the profit target and param5 is the stop loss

 

$short_signal :=

   llv (4, data2, param3) < - param1 and llv (1, data2, 3) > - param1

   and xbelowconst (data2, - param2) > 0;

 

$long_signal :=

   hhv (4, data2, param3) > param1 and hhv (1, data2, 3) < param1

   and xaboveconst (data2, param2) > 0;

 

$target := openpositionaverageentryprice + signvalue (openpositionsize) * param4;

$stop := openpositionaverageentryprice + signvalue (- openpositionsize) * param5;

 

shortatmarket ($short_signal, defaultordersize, “SE”);

shortexitlimit (openpositionshort, $target, openpositionabssize, “SX”);

shortexitstop (openpositionshort, $stop, openpositionabssize, “SS”);

 

longatmarket ($long_signal, defaultordersize, “LE”);

longexitlimit (openpositionlong, $target, openpositionabssize, “LX”);

longexitstop (openpositionlong, $stop, openpositionabssize, “LS”);

 

plot1 := currentequity;