There were concerns SIs would have an advantage under MiFID II.
The exchange achieved a market share of more than 3% last month.
Trading in Polish, Hungarian and Czech stocks will begin in November.
Fees, rebates, and immunity top the regulatory dance card.
Parent Cinnober is heading into Nasdaq's arms.
London Stock Exchange's MTF added AIM UK 50 stocks in October 2017.
Exchange operator seeks to broaden its scope in emerging asset class.
Exchange operator boosts its position as a market infrastructure technology provider.
Regulatory clarity is just beginning to emerge.