Joel Greenblatt's Magic Formula buys good businesses at cheap prices — high return on capital combined with high earnings yield. This page applies the measurable half of that bar to every company SageRanks tracks and lists the ones that clear it right now.
This is half the formula: the other pillar — return on capital — is weighted heavily in SageRanks's Greenblatt ranking mode but has no published hard cutoff, so it is not part of the pass/fail screen. A company here is cheap enough; whether it is also good enough is the ranking's job.