Hi!

> There are only 73 entries (including some duplicates) showing up for a
> straight P249 search, which is a bit strange in any case -
> 
> https://query.wikidata.org/#SELECT%20%3Fitem%20%20%3Fstock%20WHERE%20%7B%0A%20%20%3Fitem%20wdt%3AP249%20%3Fstock%20.%0A%20%7D
> 
> Sampling a few items suggests that most businesses don't use P249
> directly, instead they use it as a qualifier on P414, eg
> https://www.wikidata.org/wiki/Q156578 or
> https://www.wikidata.org/wiki/Q156238

You can use something like this: http://tinyurl.com/hdoqrjt

The key thing there is UNION - that's how you do "this or that".

Note though ticker symbols are not unique (they are per exchange) so you
may want to either group: http://tinyurl.com/jmbrf4p or add stock
exchange name to it or do something else, depending on your case.

-- 
Stas Malyshev
smalys...@wikimedia.org

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