Also known as: spec.
SPEC has various meanings in the Occupation & positions category. Discover the full forms, definitions, and usage contexts of SPEC in Occupation & positions.
On an exchange, the member firm that is designated as the market maker (or dealer for a listed common stock). Only one specialist can be designated for a given stock, but dealers may be specialists for several stocks. In contrast, there can be multiple market makers in the OTC market.
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