Yes but I am under the 200 symbol limit in my watchlist and using only 100 days of EOD data. Many stocks are showing only a few bars of data. Even with the backfill checked. Am I supposed to go through all the symbols one by one and force Backfill? That would take a long time. Is there no other way? Why isn't the forced backfill working? --- Paul Ho <[EMAIL PROTECTED]> wrote:
> 200 data limit means 200 symbols at a time. but AB > can backfill many times, > effectively means there is no limit in the no of > symbols > you should do all your backfilling first, before > backtesting. > Esignal provides 10 days backfill for tick data, and > much longer for other > periodicity, So you have choose which timeframe to > backtest on. > > > _____ > > From: [email protected] > [mailto:[EMAIL PROTECTED] On Behalf > Of normanjade > Sent: Friday, 8 February 2008 4:16 PM > To: [email protected] > Subject: [amibroker] Re: Esignal data? > > > > I "forced backfill" on one of the symbols that didnt > have all the > data and it filled in the missing data. But there > are many more in > the portfolio that dont have data. I clicked "Wait > for backfill" in > the automatic Analysis window. When I reran the > backtest I could see > it was waiting and backfilling certain symbols, but > in the end, many > still were missing data. Whats the problem here? > > --- In [EMAIL PROTECTED] > <mailto:amibroker%40yahoogroups.com> ps.com, > "normanjade" <[EMAIL PROTECTED]> > wrote: > > > > So I figured out the stdev thing finally. Now I > seem to be having > data > > problems. My symbol limit with Esignal is 200. I > run a portfolio > test > > on 200 stocks. I start going through the list of > those that > generated > > no trades. There is just 2-3 days of data on the > chart. I check > other > > data sources and they are fine. I dont know what I > did but one > time I > > shut it off and on, and the data came in. But not > for others. > > > > Now I don't know what to do. Whats the point of > testing on a > portfolio > > if Im not even sure all the data is coming > through? And I get the > > message of too many symbols from esignal even > though the watchlist > is > > set to 200. Anybody have any idea whats going on > here? > > > > thanks, > > > > jim > > > > > > > > ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping
