Thanks Howard. Agree with your observation. My problem is with larger number of continuously updating symbols. Initial qpF goal was 200 continuously updating symbols. Dan
--- In [email protected], "Howard B" <[EMAIL PROTECTED]> wrote: > > Hi Dan -- > > I sometimes update 50 or more symbols, but usually only 10 to 20 or so. I > seldom add a new symbol during trading hours. I have not seen a serious > slowdown near the close unless the market was in "fast market" conditions. > My QPfeed Real-time Plugin, as shown in AmiBroker's Plugins information > screen, is version 1.0.92. My data feed comes through a Hughes satellite at > about 35 to 50% of a T1 line. > > Thanks, > Howard > > > > > On Thu, Nov 6, 2008 at 6:38 PM, monitorit <[EMAIL PROTECTED]> wrote: > > > Howard B - can I ask you a few questions re your experience with > > qpFeed? I tried to get your attention yesterday... I've copied that > > post below. > > > > Howard, thanks for your input re qpFeed. I don't know if you saw my > > post re it in another thread - so I am appending it just below this > > note. May I ask if you run qpFeed in realtime during market hours > > and if you are continuously updating more than 50 symbols. If so, do > > you notice the price bars are slowly coming in later than they should > > (ie, near the market close they are 4-6 minutes delayed)? This is > > never a problem when only 6 or so tickers are updating - just the > > larger numbers. Its also not a problem after mkt close -when qpFeed > > typically updates 600+ tickers (1 min db) in 10-20 minutes. > > > > Also, what version of the plugin are you using? My AB plugin folder > > has qpfeed_ami.dll with file version 1.0.1.14 while ABs Tools>Plug- > > ins shows qpFeed Real Time Data plugin 1.0.92. The qpfeed folder in > > Program Files has a ddflink.dll version 1.0.0.19 in addition to the > > qpfeed_ami.dll > > > > I checked your online info re qpFeed- for some reason I don't have > > the 2nd "Quotes Plus plugin configuration screen you do - just a > > screen for my id/password, choice of connection and tabs to get > > commodity/index/stock symbols. > > Thanks for any insights you might have. > > Dan > > > > copy of earlier post>>>>> > > Tomasz, I use qpFeed not IQfeed but have had a problem forever that > > is somewhat the same. There is NO problem when just updating a few > > symbols continuously-but- if I try to keep about 75-100 symbols > > updating, the quotes come in slower and slower. The people at the > > quote provider say they get no complaints and there is no problems > > sending out the quotes. Can you try to set up a 1 minute db with > > about 100 tickers, the layout has 5 windows all symbol-linked (1min, > > 2min, 5min, 15min and daily). Use any simple indicator with the > > price (ie 10 bar MA). Run any simple AA to cause all 100 tickers to > > update. Then see how long the symbols take to get up to date and > > more important, come back a few hours later and see the time of the > > last bar compared to the time on your clock.. has it fallen behind? > > You can just leave the original symbol displayed- no need to change > > symbols after the first change after running the AA. I know we have > > discussed this before- but I wonder if you have done my little > > experiment yourself? > > Thanks again and I remain convinced AB is the best by far. > > Dan > > > > > > --- In [email protected] <amibroker% 40yahoogroups.com>, "Howard B" > > <howardbandy@> wrote: > > > > > > Hi Ken -- > > > > > > I primarily use Quotes Plus and like it. DTN IQ is also good, but > > more > > > expensive. Both have trial periods. You will be charged for the > > exchange > > > fees during your trial period. > > > > > > Thanks, > > > Howard > > > > > > > > > > > > > > > On Thu, Nov 6, 2008 at 5:45 PM, Ken Close <ken45140@> wrote: > > > > > > > I have been using QuoteTracker (1 min updates with some 75 > > symbols) and > > > > have never seen any delays or problems. I also have not run any > > explorations > > > > nor scans but just have looked at charts over bunches of > > symbols. However, > > > > I abhor the fact that QT, being fed from my free Fidelity.com > > data stream, > > > > cannot back fill if it misses even a short time much less a day > > or more > > > > (power outages, etc). And I have had a bunch of those recently > > rendering any > > > > signals based on say 5 or 10 days lookback to be worthless. > > Hence, my > > > > search for something with backfill capabilities. > > > > > > > > I have been considering subscribing to qpFeed, a somewhat new > > service from > > > > QuotesPlus, and then I have seen these numerous messages about > > slow delivery > > > > of 1 minute data from IQFeed but several msgs mentioned qpFeed. > > > > > > > > So, hence the subject line....what is the best VALUE for the > > fastest, most > > > > reliable intraday, 1 minute (I don't care about tick data and > > could probably > > > > get by with 5 minute data) data feed. I would like to have a > > universe of > > > > ETFs (maybe 100 to 125 symbols) and would like to scan for setups > > and > > > > buy/sell signals on 15 minute charts, maybe even 30 minute charts. > > > > > > > > qpFeed sounded economical (good value) but if there are major > > bottlenecks, > > > > then I dunno. TJ says all intraday feeds slow down, but what do > > those > > > > intrepid day traders use? > > > > > > > > Advice and suggestions, please. Thanks. > > > > Ken > > > > > > > > > > > > > > > > > >
