> But it would be realy nice, using the current Playback feature, to be able > to use user-synthesized data at n-ticks/bar... I would love that!
BUT YOU CAN DO THAT ALREADY !!!! Playback interval is INDEPENDENT from base time interval of the database. And you CAN playback tick databases and use N-tick bars !!!!! Best regards, Tomasz Janeczko amibroker.com ----- Original Message ----- From: "Herman" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Saturday, October 28, 2006 1:08 PM Subject: RE: [amibroker] Re: AmiBroker 4.88.0 BETA released >I don't think it is practical or even useful to use years of historical tick > data. I found Tick data most useful to test/develop RT systems, not to > actually be used to optimize a trading system. The RT delays involved, as > well as bad ticks, would make such optimization results questionable at > best. Using RT recorded data for optimizations would be looking ahead in > time because it would be "Delay-Less" and assume perfect liquidity. In fact > one would be able to create HG trading systems that would prove to be total > failures in real live trading (been there). Since live data delays aren't > constant there wouldn't be any way to correct for them. > > But it would be realy nice, using the current Playback feature, to be able > to use user-synthesized data at n-ticks/bar... I would love that! > > best regards, > herman > > -----Original Message----- > From: [email protected] [mailto:[EMAIL PROTECTED] > Behalf Of Tomasz Janeczko > Sent: October 28, 2006 5:26 AM > To: [email protected] > Subject: Re: [amibroker] Re: AmiBroker 4.88.0 BETA released > > > Hello, > >> The playback, as it is, doesn't look like it's going to work well >> with tick and volume-based charts. The 5-second resolution is too >> granular and causes the price bars to move way too fast at the 1x >> speed level. It needs to be a 1 second resolution to be usable for >> real-time practice on tick and volume charts. > > Did you notice the name? It is called "BAR playback". > Not "TICK playback". Bars by nature in AB are from 5 seconds up. > > The advantage of BAR playback is that does not require recorded full stream > of ticks > to operate. What you are asking is TICK playback but this requires > recording all ticks in real time for all symbols > (backfill is NOT enough because in most cases it misses bid/ask ) > - this is LENGHTY process you need to wait for entire day recording > in real time data for just one day plus it would take huge amounts > of hard disk space (approx 1GB for 1 day of ticks for 100 symbols). > > It will arrive someday but you need to understand that it is completely > different story that BAR playback. > > >> When I press the playback button, the popup dialog should already >> know the date range of the active chart and fill in the beginning >> and ending date as the defaults. > I disagree with your suggestion because one may want to see only PART of it. > And now, once you setup start and end according to your needs > you can close and re-open and start/end dates remain. This is superior. > >> The slider bar is also too granular (jumpy). > No it is NOT. The granularity of the slider is ONE STEP. > > It can not be finer than that. However your SCREEN has limited resolution > and using the MOUSE you only can move by ONE PIXEL. > This is limitation of your input device (mouse/screen) not the slider. > So if you want to move by one step use buttons < > or use > keyboard <- -> cursor buttons to move slider because this way. > > Also note that when you have "skip afterhours" / "skip weekends" > checkboxes enabled the slider will SKIP after hours > and this may be what you think is "jumpy" behaviour but it is > just what you have requested it to do (skipping the afterhours). > > > Best regards, > Tomasz Janeczko > amibroker.com > ----- Original Message ----- > From: "scourt2000" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Saturday, October 28, 2006 5:06 AM > Subject: [amibroker] Re: AmiBroker 4.88.0 BETA released > > >> >> Tomasz, >> >> The playback, as it is, doesn't look like it's going to work well >> with tick and volume-based charts. The 5-second resolution is too >> granular and causes the price bars to move way too fast at the 1x >> speed level. It needs to be a 1 second resolution to be usable for >> real-time practice on tick and volume charts. >> >> When I press the playback button, the popup dialog should already >> know the date range of the active chart and fill in the beginning >> and ending date as the defaults. >> >> The slider bar is also too granular (jumpy). A box where I can >> enter a specific time to go directly to would help with that. >> >> Good work Tomasz. It just needs some minor refinements to be of >> full use to those of us who trade futures with tick-based charts. >> >> >> --- In [email protected], "Tomasz Janeczko" <[EMAIL PROTECTED]> >> wrote: >>> >>> Thanks Joe and all the others for your comments on new version. >>> >>> Best regards, >>> Tomasz Janeczko >>> amibroker.com >>> ----- Original Message ----- >>> From: "Joe Landry" <[EMAIL PROTECTED]> >>> To: <[email protected]> >>> Sent: Friday, October 27, 2006 11:24 PM >>> Subject: Re: [amibroker] AmiBroker 4.88.0 BETA released >>> >>> >>> > Tomasz: Thanks these new features are very nice. >>> > >>> > IMHO, the "synch chart on select" feature will save countless >> minutes >>> > AND since I'm in the low level pattern recognition mode, the >> playback >>> > feature >>> > is also great to have. >>> > >>> > Best regards >>> > JOE >>> > >>> > >>> > ----- Original Message ----- >>> > From: "Tomasz Janeczko" <[EMAIL PROTECTED]> >>> > To: <[email protected]>; <amibroker- >> [EMAIL PROTECTED]>; >>> > <[EMAIL PROTECTED]> >>> > Sent: Friday, October 27, 2006 2:14 PM >>> > Subject: [amibroker] AmiBroker 4.88.0 BETA released >>> > >>> > >>> >> Hello, >>> >> >>> >> AmiBroker 4.88.0 BETA relased: >>> >> <http://www.amibroker.com/devlog/2006/10/27/amibroker-4880-beta- >> released/> >>> >> >>> >> Do NOT FORGET to read the READ ME, especially the "CHANGE LOG" >> part. >>> >> >>> >> It contains THE DOCUMENTATION on how to use >>> >> >>> >> new features and lists all changes. >>> >> >>> >> <http://www.amibroker.com/devlog/wp- >> content/uploads/2006/10/readme4880.html> >>> >> >>> >> Best regards, >>> >> Tomasz Janeczko >>> >> amibroker.com >>> >> >>> >> >>> >> >>> >> Please note that this group is for discussion between users >> only. >>> >> >>> >> To get support from AmiBroker please send an e-mail directly to >>> >> SUPPORT {at} amibroker.com >>> >> >>> >> For NEW RELEASE ANNOUNCEMENTS and other news always check >> DEVLOG: >>> >> http://www.amibroker.com/devlog/ >>> >> >>> >> For other support material please check also: >>> >> http://www.amibroker.com/support.html >>> >> >>> >> Yahoo! Groups Links >>> >> >>> >> >>> >> >>> >> >>> >> >>> > >>> > >>> > >>> > >>> > Please note that this group is for discussion between users only. >>> > >>> > To get support from AmiBroker please send an e-mail directly to >>> > SUPPORT {at} amibroker.com >>> > >>> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >>> > http://www.amibroker.com/devlog/ >>> > >>> > For other support material please check also: >>> > http://www.amibroker.com/support.html >>> > >>> > Yahoo! Groups Links >>> > >>> > >>> > >>> > >>> > >>> > >>> >> >> >> >> >> >> Please note that this group is for discussion between users only. >> >> To get support from AmiBroker please send an e-mail directly to >> SUPPORT {at} amibroker.com >> >> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: >> http://www.amibroker.com/devlog/ >> >> For other support material please check also: >> http://www.amibroker.com/support.html >> >> Yahoo! Groups Links >> >> >> >> >> >> > > > Please note that this group is for discussion between users only. > > To get support from AmiBroker please send an e-mail directly to > SUPPORT {at} amibroker.com > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > http://www.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > > Yahoo! Groups Links > > > > > > > Please note that this group is for discussion between users only. > > To get support from AmiBroker please send an e-mail directly to > SUPPORT {at} amibroker.com > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > http://www.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > > Yahoo! Groups Links > > > > > > Please note that this group is for discussion between users only. To get support from AmiBroker please send an e-mail directly to SUPPORT {at} amibroker.com For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: http://www.amibroker.com/devlog/ For other support material please check also: http://www.amibroker.com/support.html Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/amibroker/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/amibroker/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
