Market regulation · 28/04/2004Updated: 10/17/2026 · 1 min read
National Association of Securities Dealers, Inc. Filing Proposed Rule Change for Summary Orders in SuperMontage
Summary
The National Association of Securities Dealers, Inc. has filed a proposed rule change with the SEC, aiming to implement summary orders for NNMS order-delivery ECNs using the SIZE MPID in SuperMontage, effective immediately.