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  Rule 77

Rule 77. Prohibited Dealings and Activities

No member shall offer publicly on the Floor:

(1) To buy or sell securities "on stop" above or below the market;

(2) to buy or sell securities "at the close";

(3) to buy or sell dividends;

(4) to bet upon the course of the market; or

(5) to buy or sell privileges to receive or deliver securities.