Open Phil doesn't appear to do this (they don't mention that often in their public facing docs.)
They do, though it's usually not the first thing they mention e.g. here: https://docs.google.com/document/d/1DTl4TYaTPMAtwQTju9PZmxKhZTCh6nmi-Vh8cnSgYak/edit
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Another big area you didn't mention is Superforecasting, prediction markets and that kind of thing.