OTC Link NQB IDQS

OTC Link NQB IDQS (Inter-Dealer Quotation System) is a U.S. inter-dealer quotation system, meaning it is a regulated electronic platform through which broker-dealers publish and view quotations for securities that are not listed on a national securities exchange. Such systems are a core piece of the American over-the-counter (OTC) equity market: rather than a single centralized exchange matching all orders, they allow competing market makers to display bid and ask interest, and they distribute that quotation data to subscribers and to the public consolidated quotation feeds. The name ties the platform to two related pieces of OTC market infrastructure. "OTC Link" is the quotation and trade-messaging platform family operated by OTC Markets Group Inc., the New York-based company that also runs the OTCQX, OTCQB and Pink market tiers and publishes the OTC Markets data used by investors and regulators. "NQB" refers to the National Quotation Bureau, the historical publisher of the "Pink Sheets" quotation service that was a predecessor of today's OTC Markets operations. "IDQS" is simply the generic category label — inter-dealer quotation system — that U.S. securities rules use for these venues. Functionally, an IDQS such as this one does not itself buy or sell securities. It is a quotation medium: subscribing broker-dealers post indicative or firm quotes, and the system aggregates and disseminates them so that other dealers and, depending on the feed, the investing public can see where a security is being quoted. This is what makes trading possible in the thousands of OTC securities that have no exchange listing, including many small-company, foreign-issuer and debt securities. Because the entity is defined by its regulatory and market-structure role rather than by consumer products, its "customers" are broker-dealers, market data subscribers and the broader investment community. Its operating market is the United States, and its public-facing presence is through the OTC Markets Group website, which hosts market tier information, quotation data and disclosure documents for OTC securities. Ownership and corporate structure sit with OTC Markets Group Inc., which is itself a publicly traded company in the United States. The platform should be understood as one component of that group's market-data and trading-infrastructure business rather than as a standalone consumer brand. Detailed public documentation of the specific NQB IDQS designation is limited, so this dossier stays close to what the available evidence supports: it is an inter-dealer quotation system in the United States, associated with the OTC Link / OTC Markets quotation infrastructure.

The history of OTC Link NQB IDQS is inseparable from the history of the U.S. over-the-counter quotation business and of OTC Markets Group Inc. The modern OTC equity market in the United States grew out of informal dealer networks in the early twentieth century. In 1913, a group of dealers formed the National Quotation Bureau (NQB), which began publishing daily quotation sheets for thousands of unlisted securities. Because those sheets were printed on pink paper, the service became widely known as the "Pink Sheets." For most of the twentieth century, the Pink Sheets were a print and then electronic publication rather than a trading venue. Dealers used the published quotations to find counterparties, and trades were negotiated by telephone. Regulation changed the landscape: the U.S. Securities and Exchange Commission's 1996 Order Handling Rules and subsequent rules on alternative trading systems pushed quotation and trade reporting into electronic, regulated channels, and the term "inter-dealer quotation system" (IDQS) became the formal regulatory category for venues that display quotations from multiple broker-dealers. In 1999, the National Quotation Bureau was acquired and reorganized, and the business moved toward electronic quotation delivery. The Pink Sheets LLC name was adopted, and in the 2000s the company launched electronic quotation and trade-messaging platforms under the OTC Link brand. OTC Link became the successor electronic inter-dealer quotation system to the legacy Pink Sheets service, connecting subscribing broker-dealers and disseminating quotations for OTC securities. The company also introduced market tiers — OTCQX in 2007, followed by OTCQB and the Pink tier — to segment issuers by disclosure quality and trading characteristics. In 2010 the company rebranded as OTC Markets Group Inc. and later became a publicly traded company in the United States. Within this structure, the OTC Link platform family carries the quotation and messaging functions, and the "NQB" element in the OTC Link NQB IDQS name preserves the link to the National Quotation Bureau heritage. The "IDQS" element reflects the platform's regulatory classification as an inter-dealer quotation system. Publicly available documentation specifically naming "OTC Link NQB IDQS" is sparse; the designation appears in market-structure and regulatory contexts as one of the OTC Link quotation systems. What can be stated with confidence is that it is an inter-dealer quotation system in the United States, part of the OTC Markets Group infrastructure, and that its lineage runs from the National Quotation Bureau's Pink Sheets through the electronic OTC Link platforms of today. Its role in the market is to let competing broker-dealers publish quotations for OTC securities and to distribute that quotation information, thereby supporting price discovery and trading in securities that have no exchange listing.

• National Quotation Bureau (NQB) formed, beginning publication of dealer quotation sheets later known as the Pink Sheets.

• U.S. SEC Order Handling Rules and related rules formalized the inter-dealer quotation system (IDQS) category for electronic quotation venues.

• National Quotation Bureau acquired and reorganized; business moved toward electronic quotation delivery under the Pink Sheets name.

• OTC Link electronic quotation and trade-messaging platforms launched as successor to the legacy Pink Sheets quotation service.

• OTCQX market tier introduced, followed by OTCQB and the Pink tier, segmenting OTC issuers by disclosure and trading quality.

• Company rebranded as OTC Markets Group Inc. and later became publicly traded in the United States.

A regulated U.S. inter-dealer quotation venue within the OTC Markets Group infrastructure, serving broker-dealers and the OTC securities market rather than retail consumers.

• OTC Link NQB IDQS

  An inter-dealer quotation system in the United States, part of the OTC Link platform family, used by broker-dealers to display and disseminate quotations for OTC securities.

1. 1OTC Link NQB IDQS (Inter-Dealer Quotation System) — Wikidatawikidata.org
2. 2OTC Markets Groupotcmarkets.com