Article Point & Figure Gone High Tech


Junior member
22 0
I'm monitoring this thread as I am a long standing user of Updata.

Nothing more to add other than that anyone with any queries about it should feel free to ask them here.

London UK


Junior member
26 0
Free EOD data

DaveJB said:
Updata have a trial as well - I'd strongly suggest those looking for good P&F try both out to see which suits them best. The chap running Archer is a nice chap, and provided you have a decent datafeed already then it's economical to just add the P&F software to it. If you don't have data, and perhaps would like other TA facilities along with good P&F, then Updata is pretty good.... on top of which I'd suggest that 'how it feels in use' will probably determine the ultimate choice between them.

It's a bit surprising to me that so few 'big' programs out there do a decent job of P&F - they incorporate it as a chart, but either ignore it when providing scanners or implement it so poorly (I'm thinking of Metastock as I type) that it's horrible to use. It's relatively straightforward to code up a scanner for the main patterns - around two dozen or so - yet none of them seem to bother.

If you want free eod data for your p&f charts go to This site has a free data downloader which uses Yahoo historical eod data for up to 100 symbols over a date range of 5 days to 10 years


Experienced member
1,159 42
personally I'd avoid Yahoo data... I had to program around it's dodgy figures a while back - you'd find the 'High' wasn't the highest figure in the OHLC array, or the Low was actually above the close, or something equally stupid, in a surprising number of datafiles. Also in disucssions of index prices a few months ago one chap was quoting figures nobody else saw and it turned out these were Yahoo numbers - can't remember the exact details, but it was something like the daily high and low were made up by adding all the component stock highs and lows, rather than keeping a running total through the day. Obviously not all stocks hit their high or low at the same time - if you are trading the index then it's the tick by tick total that counts, not some shortcut to make the sums easier.

The shareware 'free' data downloaders all, as far as I am aware, grab Yahoo data and suffer the same data problems as a result (although some will connect to a broker feed if you have one) - with a UK EoD datafeed running at £15 or less, perhaps £25 for the US markets, and realtime data kicking in for a few tenners a month it's a false economy to base trading signals on prices that aren't accurate. You get what you pay for <g>


Active member
159 2
I am very keen on p/f charting and have been using it exclusively and successfully for quite a while. I use updata which is by far the best for these charts. Its pattern searching and scanning lets you set your own formulas to describe any pattern you want. That is besides log scaling, automatic trend lines, automatic targets. Try it and see for yourself. As J deP says, you have to beware that so many programs draw the charts incorrectly, specially 1point reversals. Updata seem to be the world experts.
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