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GrowthnValue (< 20)

Piotroski Score



April 18, 2010 – Comments (4)

Where can I find reliable Piotroski scores?  I haven't seen a lot of sites that claim to give piotroski scores and the ones that do disagree with each other.

Also, does anyone use the Piotroski score in their investing?  If so, what results have you had?



4 Comments – Post Your Own

#1) On April 18, 2010 at 8:15 PM, anchak (99.89) wrote:

The best source would be construct your own - the most reliable place with data to do that is Morningstar - their screener can do it - I think you need the premium one.

And some either Perl script or plain excel jugglery.

You can do one (almost) with the old MSN Screener - their data was plain wrong!

This one is one of the best pre-computed one:

The biggest drawback is that it doesn't have a P/B filter - or the metric itself to sort it - That's a primary overlay of Piotroski.

Yes.... you can see the performance albeit CAPS sense.....

from these 2 players



The good thing is - most of the Piotroski picks were done very close to market bottom - infact in AC360 - almost the week of bottom. The reason that portfolio is not in the top 100 or something - is because of my testing of hedging with Ultra ETFS - which didn't pan out so much

Also you can see some links in this old now defunct board associated with the Stinky portfolio.


All the best

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#2) On April 24, 2011 at 8:08 PM, screenerco (< 20) wrote:

The stock screener lets you screen by Piotroski score, and each of the parameters that make up the Piotroski score, for both US and International companies.  The data is updated daily.  It also exposes a special variable that indicates how many of the Piotroski parameters could be calculated for each company (some International companies have less data available) so you can see how many parameters are unknown as opposed to 0s.

I believe that year ago shares outstanding numbers are only available for companies traded on US exchanges so the maximum Piotroski score for International firms in that screener would be 8.  Other than that, the screener is very powerful and customizable.

Feel free to reach out to me directly with any questions or concerns.


Lenny Grover



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#3) On August 27, 2011 at 3:06 PM, screenerco (< 20) wrote:

Just a note that now supports all Piotroski score parameters for International companies (so there is a full maximum score of 9).  For companies that do not report required data, we also expose a non-null paramter count that lets you look for companies where all of the parameters for which data available are 1 (Piotroski Score = Non-null Parameter Count).

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#4) On October 30, 2011 at 9:38 AM, Pyth (< 20) wrote: calculates a score based on the 9 Piotroski components. The site uses averages to calculate the components, which is good for the long-term investor. It has also a top 12 based on this score..

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