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Louis,
Yup...Better switch to something more reliable like
QP3. Or do both.
If you have a few favorites , you can check the web
site and see what's what. When they are available, ie current or historic or
both. That may help in your decision. Additionally, if you do much quant type
analysis, not visual, your "answers" will change with yahoo and other paid
services.
If you send yahoo an inquery, I have not on Bill's
original observation, the usual answer is " we, yahoo, don't control the
quality of the data...sorry about that."
Dave
----- Original Message -----
Sent: Tuesday, May 06, 2008 8:18 AM
Subject: Re: [amibroker] Yahoo Current
Backfill , many N/A on active stocks
Hi David,
So you mean that for many quotes I have to download
current every night (and before it is reseted) to be sure to have the
data?
That is a huge problem if it is the case! ( I mean: I am
not at home every evening).
Louis
2008/5/6 David Fitch < davidfitch@xxxxxxxxnet>:
Louis, If you look at yahoo web site, you'll
find that SRLM.ob has no Historical prices after 26 MAR 08. This one must be
downloaded with yahoo current to "stay current". There are many like that.
Many indexes will not download historic data, only current or today's
data can be downloaded.
This problem which is different from the one
Bill was describing, can be seen on the yahoo web site. Just check to
see if historic data is shown. If so it can be downloaded. If not you must
do it daily with yahoo current.
Free data, you gotta stay on your
toes:)
Dave
----- Original Message -----
Sent:
Tuesday, May 06, 2008 7:57 AM
Subject:
Re: [amibroker] Yahoo Current Backfill , many N/A on active stocks
Hi,
I have the same problem. One example: SRLM.ob
Goes from 03-27 directly to 05-05. Can't backfill in
between.
Louis
2008/5/6 David Fitch < davidfitch@xxxxxxxxnet>:
I have noticed last few weeks a growing
number of tickers that don't download in yahoo current and need to be
downloaded in yahoo historic. For example, out of 645 ETFs, 150 or so
will not download in yahoo current after the market has been open one
hour this morning. Some of these are low volume, infrequently traded
tickers. But in past this was only a handleful, maybe 10-20 or so. Now,
tt seems to be tickers that trade up to a few thousand, but they are
trading and just not being reported. They will report EOD, Yahoo
Historic later.
I'm sure it will change again. That's
Yahoo.
Dave
----- Original Message -----
Sent:
Tuesday, May 06, 2008 4:54 AM
Subject:
Re: [amibroker] Yahoo Current Backfill , many N/A on active
stocks
It sounds like you are attempting to
download from the Yahoo Current (Daily) server after it has been reset
for the next day (reset time might not be constant). If so, you
have to use historical data which in your case (late at night) will
always work.
Bill
-----
Original Message -----
Sent:
Tuesday, May 06, 2008 1:11 AM
Subject:
[amibroker] Yahoo Current Backfill , many N/A on active stocks
Lately I'm getting large numbers of symbols coming up
N/A on the
Daily update (done late at night).
The data is present in the historical download.
Does
Yahoo just
stink?
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