TMX to take 59% stake in MEMX in US$800million cash deal, forming US$2.3billion exchange group
AI Market Summary
TMX Group's US$800m cash investment for control of MEMX and the planned BOX-MEMX combination accelerates its U.S. market-infrastructure expansion, adding listing and options capabilities beyond its existing ATS. The deal extends TMX's ongoing acquisition cycle (VettaFi/RAFI and Cboe Canada/Australia assets) and raises near-term focus on integration, regulatory review, and capital deployment rather than broad macro market direction.
Impact level
● Low
Affected assets
NCCOGOLD2USD/USDT+0.13%
AI Insight · NCCOGOLD2USD/USDTAI Insight
● Neutral
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TMX Group, the parent of the Toronto Stock Exchange, said it will invest US$800million in cash in U.S. exchange operator and market-technology provider MEMX and take a 59% controlling stake. TMX will also combine BOX, the U.S. equity options market it controls, with MEMX to form a US$2.3billion entity. The move extends TMX’s acquisition push since 2023, including the purchases of VettaFi and RAFI Indices. It comes alongside TMX’s efforts to buy Cboe’s Canadian and Australian assets.
