September was a strong month for BATS, particularly for its U.S. equities segment, where market share was 12.4%, BATS third consecutive month exceeding 12%. BATS continues to be encouraged by its unprecedented performance in their flagship business as, historically, BATS U.S. market share has suffered when volumes have been weak in the overall market.
- Elsewhere in the U.S., BATS options market came in at 3.5% market share. It is worth noting that, excluding dividend trades, BATS would’ve finished at 3.9%, marking it their best month ever.
- In Europe, the big story was BATS CXE dark book was the largest MTF dark book in Europe, moving ahead of the UBS book. This is a first since BATS Europe and Chi-X Europe combined last November. BATS also set a monthly market share record in the Copenhagen index as they continue to gain on the incumbents in the Nordics.