[amibroker] irregular behavior of my code trying to fire every minute

["adexie" <adexie@xxxxxxxxx>]

Dear all,

I started learning amibroker afl a couple of months ago. Wrote my first trading program, which only turned out working occasionally. Can you guys take a look and help me out? Thanks so much in advance.

This is exactly the first half of my "Indicator trader". It is placed in the chart panel as an indicator and supposedly it should fire and scan all the tickers for signal every minute. But sometimes, it doesn't fire for a long time. The code and the log are attached below:

-----------Code-------------------------
_SECTION_BEGIN("Autotrading_Indicator");
MarketHours = TimeNum()>=093500 AND TimeNum()<=155400;
MarketClose= TimeNum()>155430 AND TimeNum()<=240000;

AutoTradingOn = ParamToggle("Autotrading On Off", "OFF|ON", 0);

SetChartOptions( 2, chartWrapTitle );
RequestTimedRefresh( 60 );

t2 = Now(4);
tNow = t2-floor(t2/10000)*10000;

tNow2 = t2 - floor(t2/100)*100;

if(tNow2 == 0)
{
_TRACE("Current time " + Now() + ", tNow: " + tNow + " t1 " + t1 + " t2 " + t2 + ", AutoTradingOn: " + AutoTradingOn);
}
----------------------------------------------------------

Log:   (notice in the first a few minute it's fine, but after
7:05, it wasn't  fired until 7:37.

[4016] Current time 3/10/2009 7:00:00 PM, tNow: 0 t1 185901 t2 190000, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:01:00 PM, tNow: 100 t1 185901 t2 190100, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:02:00 PM, tNow: 200 t1 185901 t2 190200, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:03:00 PM, tNow: 300 t1 185901 t2 190300, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:04:00 PM, tNow: 400 t1 185901 t2 190400, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:05:00 PM, tNow: 500 t1 185901 t2 190500, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:37:00 PM, tNow: 3700 t1 185901 t2 193700, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:42:00 PM, tNow: 4200 t1 185901 t2 194200, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:49:00 PM, tNow: 4900 t1 185901 t2 194900, AutoTradingOn: 1
[4016] Current time 3/10/2009 7:54:00 PM, tNow: 5400 t1 185901 t2 195400, AutoTradingOn: 1
[4016] Current time 3/10/2009 8:11:00 PM, tNow: 1100 t1 185901 t2 201100, AutoTradingOn: 1
[4016] Current time 3/10/2009 8:27:00 PM, tNow: 2700 t1 185901 t2 202700, AutoTradingOn: 1
[4016] Current time 3/10/2009 9:07:00 PM, tNow: 700 t1 185901 t2 210700, AutoTradingOn: 1






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