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> Maybe - BUT how will you know which signals are valid? Oh yeah - you'll
> know after they fix it (if they do) and your signal disappears or your
trade
> tanks and you spend countless hours trying to figure out why only to
> discover a bad quote. But its only money, eh?
I use quite a bit of breadth data in my system. I was a QP user for about 4
years. Before then I used TC2k, AIQ and a host others. I did lose money one
time (that I know of) because of bad breadth data when I was using QP. I
complained several times on the QP list and other members checked into my
complaints and found them valid. QP beat around the bush for several months
while this was going on and I switched to CSI (I was told later by another
member that QP did finally clean up their breadth data).
I switched to CSI because of their reputation for clean data. I found most
of their data to be clean (so far as I could tell), but I did find quite a
bit of bad data in their breadth and indices. Not just minor indices, but
even the SPX.
CSI offers a CSI pen if you make them aware of any discrepancies. I have a
desk full of them.
I now use a paid data service for my breadth and indices that is far cheaper
then the above two and I get my stocks/ funds from the various free data
sources. I rarely have data issues with the free sources and when I do, I
check with a couple of the other free data sources. This may happen one or
twice a year.
I am NOT saying this is the way to go for anyone, but it is most definitely
for me. I don't have *full* confidence in my present data sources, but I do
have more confidence in them then I do with some of the paid sources.
Jim
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