Trading on the Canadian Securities Exchange (CSE) will be incorporated into the calculation of the national best bid and offer (NBBO) starting on April 1, according to a notice from TMX Group Ltd.

The move will have implications for order matching and execution on TMX Group’s various exchanges, including the Toronto Stock Exchange (TSX), TSX Venture Exchange (TSXV) and TSX Alpha Exchange.

In January, the Canadian Securities Administrators (CSA) announced that the CSE will become a protected marketplace as a result of its share of trading activity. Specifically, the CSA declared that the CSE has met the market share threshold under the order protection rule. The protected status will apply from April 1, to March 31, 2018.

Read: CSE on CSA’s latest list of fully “protected” marketplaces