Code of Federal Regulations Title 17. Commodity and Securities Exchanges § 17.240.6h–1 Settlement and regulatory halt requirements for security futures products

(1) Opening price means the price at which a security opened for trading, or a price that fairly reflects the price at which a security opened for trading, during the regular trading session of the national securities exchange or national securities association that lists the security. If the security is not listed on a national securities exchange or a national securities association, then opening price shall mean the price at which a security opened for trading, or a price that fairly reflects the price at which a security opened for trading, on the primary market for the security.

(2) Regular trading session of a security means the normal hours for business of a national securities exchange or national securities association that lists the security.

(3) Regulatory halt means a delay, halt, or suspension in the trading of a security, that is instituted by the national securities exchange or national securities association that lists the security, as a result of:

(1) The final settlement price of a cash-settled security futures product must fairly reflect the opening price of the underlying security or securities.

(2) Notwithstanding paragraph (b)(1) of this section, if an opening price for one or more securities underlying a security futures product is not readily available, the final settlement price of the security futures product shall fairly reflect:

(3) Notwithstanding paragraph (b)(1) or (b)(2) of this section, if a clearing agency registered under Section 17A of the Act (15 U.S.C. 78q–1), or exempt from registration pursuant to Section 17A(b)(7) of the Act (15 U.S.C. 78q–1(b)(7)), to which the final settlement price of a security futures product is or would be reported determines, pursuant to its rules, that such final settlement price is not consistent with the protection of investors and the public interest, taking into account such factors as fairness to buyers and sellers of the affected security futures product, the maintenance of a fair and orderly market in such security futures product, and consistency of interpretation and practice, the clearing agency shall have the authority to determine, under its rules, a final settlement price for such security futures product.

(1) Trading of a security futures product based on a single security shall be halted at all times that a regulatory halt has been instituted for the underlying security;  and

(2) Trading of a security futures product based on a narrow-based security index shall be halted at all times that a regulatory halt has been instituted for one or more underlying securities that constitute 50 percent or more of the market capitalization of the narrow-based security index.