#unlisted_security__over_the_counter_security__OTC_security  a security traded in the over-the-counter market
  exclusion:  listed_security
  supertype:  certificate__security  a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends; "he held several valuable securities"
  subtype:  over_the_counter_stock__OTC_stock__unlisted_stock  stock that is not listed and traded on an organized exchange
     subtype:  penny_stock__pennystock  a stock selling for less that $1/share

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