International Combo Model
The International Combo Model is designed to be a general-purpose stock selection
tool for investors in non-US markets.
Combo was Columbine’s first complete stock selection model; we created the US
model in 1985 and began publishing Combo Model rankings in 1986. We added
International Combo Model rankings in 1992, creating optimized, country-specific
versions of the model for markets outside the US. At first we could offer only
five country-specific versions of Combo, but we now have Combo Model rankings for more
than two dozen countries around the world.
Recognizing the higher level of transactions costs generally experienced outside
the US, we optimize each version of the International Combo Model to achieve
superior risk-adjusted portfolio return at realistic levels of portfolio turnover.
The design process focuses on big-cap, highly-liquid, institutional-grade securities
like those that make up the major international indices. Our experience shows that
these issues are the most efficiently priced. Any multifactor model that can
successfully generate alpha in these securities will have no problem with smaller cap,
less efficiently priced companies.
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