Priordaysession issue

[baba123]

Hi,

I would like to know if the equivalent of tradestation's functions HighD,CloseD etc... are priorDaysessionHOLC.

for example if I write "PriorDayOHLC().PriorOpen[3]", does it mean the open 4 days ago ?

[NinjaTrader_JoshP]

No it does not mean the prior day 4 bars ago. That would mean looking at 3 bars ago and then getting the prior day's values in relation to those 3 bars ago.

You would want to use this in conjunction with GetBar() to go to previous sessions and then get the prior day from that previous session and keep moving back to get older and older values.

[baba123]

Could you please explain a little bit the trick with getbar...I'm afraid I do not understand ?

[NinjaTrader_Austin]

Baba, if you want to get the bar number for a specific date and time, you can use the GetBar() function.

It takes a DateTime structure as input, and gives you the first bar that happened after that DateTime. For example, if you wanted the open of first bar at the open (9:30AM) for July 20 you could do this:

int barsAgo = GetBar(new DateTime(2009, 7, 20, 9, 30, 0)); 
Print("The open price on the 9:30 AM bar was: " + Open[barsAgo].ToString());

[NinjaTrader_JoshP]

So to tie the concept together.

int barsAgo = GetBar(new DateTime(2009, 7, 23, 9, 30, 0));
Print("7/22/09 Open: " + PriorDayOHLC().PriorOpen[barsAgo]);

int barsAgo2 = GetBar(new DateTime(2009, 7, 22, 9, 30, 0));
Print("7/21/09 Open: " + PriorDayOHLC().PriorOpen[barsAgo2]);

You use GetBar() to get the barsAgo that needs to be passed in to the PriorDayOHLC() to get you the OHLC of the date you are after.