American Stock Exchange (AMEX): Definition, History, and Evolution to NYSE American

Definition and Early Beginnings

The American Stock Exchange (AMEX) was initially founded as the New York Curb Market Agency in 1908. This early incarnation was characterized by curbstone brokers who traded securities on the sidewalks of Wall Street, often using makeshift offices and shouting prices to each other. These brokers were known for their aggressive trading tactics and were seen as outsiders by the more established exchanges.
In 1921, the New York Curb Market Agency moved indoors to a building on Greenwich Street, marking a significant transition from outdoor to indoor trading. This move signaled a step towards more organized and regulated trading practices. By 1929, the exchange had officially changed its name to the New York Curb Exchange, reflecting its growing legitimacy within the financial community.

Evolution and Name Changes

Over the years, AMEX underwent several name changes that reflected its growth and increasing importance. In 1953, it officially became known as the American Stock Exchange (AMEX). This name change was part of a broader effort to rebrand the exchange and distance itself from its somewhat disreputable past.
During this period, AMEX also implemented various structural and regulatory changes aimed at enhancing transparency and fairness in trading. The introduction of more stringent rules and oversight mechanisms helped to establish AMEX as a more organized market, attracting a wider range of investors.

Significant Events and Scandals

One of the most significant events in AMEX’s history was the Res scandal of 1954-1962. This scandal involved widespread manipulation of stock prices by certain brokers, which severely damaged AMEX’s reputation. However, under the leadership of Paul Kolton, who became president in 1959, AMEX implemented sweeping reforms aimed at restoring trust and integrity to the exchange.
Kolton’s leadership also saw the introduction of options trading on AMEX in 1975, which was a groundbreaking innovation at the time. This move helped to diversify the types of securities traded on the exchange and attracted new investors.

Modernization and Technological Advances

The 1990s saw significant technological advancements under the leadership of Thomas Peterffy, who introduced electronic trading to AMEX. This shift from traditional floor-based trading to electronic platforms made AMEX a more competitive trading venue. The use of technology streamlined transactions, reduced costs, and increased efficiency.
These modernizations were crucial in positioning AMEX for future growth and ensuring it remained relevant in an increasingly digital financial landscape.

Acquisition by NYSE Euronext and Rebranding

In 2008, AMEX was acquired by NYSE Euronext for $260 million. Following this acquisition, the exchange underwent several rebrandings. Initially, it was renamed NYSE Alternext U.S., then NYSE Amex Equities, followed by NYSE MKT, and finally NYSE American in 2017.
This rebranding reflected the integration of AMEX into the larger NYSE Euronext family while maintaining its unique identity within the financial community.

Current Operations as NYSE American

Today, NYSE American operates as a fully-electronic exchange with a focus on trading small-cap, micro-cap stocks, corporate bonds, ETFs (Exchange-Traded Funds), and other investment products. The exchange uses electronic designated market makers (DMMs) to ensure liquidity and fair pricing.
One of the innovative features of NYSE American is its speed bump mechanism, designed to encourage midpoint trading by introducing a brief delay in order processing. This mechanism aims to reduce high-frequency trading advantages and promote more balanced market conditions.

Special Considerations and Market Impact

NYSE American is a member of the National Association of Securities Dealers (NASD), now known as FINRA (Financial Industry Regulatory Authority). Despite being part of a larger exchange group, NYSE American has maintained its independence and continues to operate under private ownership.
The sectors with the most active shares on NYSE American include energy, mining, medical, and pharmaceutical companies. These sectors benefit from the exchange’s specialized focus on smaller and emerging companies.

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