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I've actually seen a number of times where Google Finance has a daily low that was never reached or a high that wasn't shown on the graph (sometimes many percen
by cbanek 9y ago
I've actually seen a number of times where Google Finance has a daily low that was never reached or a high that wasn't shown on the graph (sometimes many percentage points away). It's also notoriously bad when there's a gap up or down, and will sometimes cut out various parts of the graph.
But still, seems to be one of the better ones out there, as I still use it. Just don't treat it as authority.
Another interesting example of questionable data is the premarket CNN feed at (http://money.cnn.com/data/premarket/ http://money.cnn.com/data/premarket/). I have sometimes seen a stock trading premarket down 99%, which almost always looks like an off by some factor of ten of the price.
- pishpash 9y agoGoogle Finance does not even have a working price plotter, that's pretty awful in a basic way.
- vpribish 9y agoand their financial news is flooded to uselessness with bot-written "stories" from sites like "The <placename> [register|tribune|bulletin|news|alert]". The service is pretty garbage now.
- coldcode 9y agoOf all of google's services Finance is the worst, it seems to be supported by cheap contractors in Elbonia. I mean Flash charts??? Sometimes stocks that were removed remain in the lists for months. The stock screener seems to be a student take home test where the student failed.
- revmoo 9y agoWhat is a price plotter?
- tunetine 9y agoIf I had to guess, it looks like google and yahoo track by time. Each nth second it plots a point, so it's likely to miss graphing the actual high or low of the day.
- cbanek 9y agoI thought this too, but looked at the daily high and daily low at Fidelity, and it matched the actual low on both the graphs (which were the same). I figure it's either some data blip, or maybe some kind of dark pool trading that was logged after hours.