TJ: Thanks for the trick. I am trying it out now. I need generally quotes for 100-110 tickers, but I can afford some delay upto a couple minutes.
- Mark On Mon, Sep 21, 2009 at 6:25 AM, Tomasz Janeczko <[email protected]>wrote: > > > Hello, > > Real-time data are generally delivered on demand. > > Getting data needs subscription to given symbol, only then you can get > current price. > If you call GetRTDataForeign for more than 100 symbols in IB (their limit) > it will > subscribe new / unsubscribe old but this is not "immediate" as it takes > time (upto few seconds) > for IB/TWS to process subscription/unsubscription request for given symbol. > If you don't want backfills to be triggered automatically, simply > uncheck "Automatic backfill on first data access" check box in the > File->Database Settings->Configure > as described here: > http://www.amibroker.com/ib.html > > Best regards, > Tomasz Janeczko > amibroker.com > > ----- Original Message ----- > *From:* Herman <[email protected]> > *To:* Mark Hike <[email protected]> > *Sent:* Monday, September 21, 2009 11:32 AM > *Subject:* Re[2]: [amibroker] Is "price on demand only" possible in > Amibroker? > > No Mark, I have no solution. afaik, Backfill cannot be disabled. > > > herman > > > > Monday, September 21, 2009, 12:57:06 AM, you wrote: > > > > > > Herman: > > > This is an old post but I do have exactly the same question. > > I don't need streaming and backfills, just the open prices by > getRTDataForeign() from IB data plugin. > > > Have you figured it out? or heard anything from TJ himself? > > > Thanks, > > > - Mark > > > > On Wed, Jan 21, 2009 at 11:30 AM, Herman <[email protected]> wrote: > > > For better real-time execution speed and to eliminate IB backfill > problems (IB lock-out and DB-corruption), I want to work without any > historical data, arrays, or backfill. > > > I just want to be able to get a, using getRTDataForeign(), a specific price > when I need it. For efficiency prices may be "sampled" at different rates > depending on my system needs. > > > 1) Is it possible to limit data collection through the IB data plug-in to > getRTData() functions ONLY? > > > 2) Would I even need a database for such a setup? > > > Is this possible? > > > thanks, > > herman > > > > > > > > >
