Exchange traded fund manager BetaPro Management Inc. has announced plans to split or consolidate the units of several ETFs later this month.

Effective Dec. 22, each unit of the Horizons BetaPro DJ-AIGSM Agricultural Grains Bear Plus ETF will be split into two units.

The units will begin trading on a split-adjusted basis on Dec. 18.

Consolidations by BetaPro will include units of Horizons BetaPro S&P/TSX(R) Global Mining Bull Plus ETF, consolidated on a one-for-four basis, units of Horizons BetaPro DJ-AIGSM Agricultural Grains Bull Plus ETF, on a one-for-four basis, and units of Horizons BetaPro MSCI Emerging Markets Bull Plus ETF, on a one-for-five basis.

The units will begin trading on a consolidated basis on Dec. 18, the effective date of the consolidations.