Editorial Note on Part 240
Editorial Note: Nomenclature changes to part 240 appear at 57 FR 36501, Aug. 13, 1992, and 57 FR 47409, Oct. 16, 1992.

§ 240.3a55-1 Method for determining market capitalization and dollar value of average daily trading volume; application of the definition of narrow-based security index. ( a ) *Market capitalization.* For purposes of Section 3(a)(55)(C)(i)(III)(bb) of the Act (15 U.S.C. 78c(a)(55)(C)(i)(III)(bb)): ( 1 ) On a particular day, a security shall be 1 of 750 securities with the largest market capitalization as of the preceding 6 full calendar months when it is included on a list of such securities designated by the Commission and the CFTC as applicable for that day.
( 2 ) In the event that the Commission and the CFTC have not designated a list under paragraph (a)(1) of this section: ( i ) The method to be used to determine market capitalization of a security as of the preceding 6 full calendar months is to sum the values of the market capitalization of such security for each U.S. trading day of the preceding 6 full calendar months, and to divide this sum by the total number of such trading days.
( ii ) The 750 securities with the largest market capitalization shall be identified from the universe of all NMS securities as defined in § 242.600 of this chapter that are common stock or depositary shares.
( b ) *Dollar value of ADTV.* ( 1 ) For purposes of Section 3(a)(55)(B) of the Act (15 U.S.C. 78c(a)(55)(B)): ( i ) ( A ) The method to be used to determine the dollar value of ADTV of a security is to sum the dollar value of ADTV of all reported transactions in such security in each jurisdiction as calculated pursuant to paragraphs (b)(1)(ii) and (iii).
( B ) The dollar value of ADTV of a security shall include the value of all reported transactions for such security and for any depositary share that represents such security.
( C ) The dollar value of ADTV of a depositary share shall include the value of all reported transactions for such depositary share and for the security that is represented by such depositary share.
( ii ) For trading in a security in the United States, the method to be used to determine the dollar value of ADTV as of the preceding 6 full calendar months is to sum the value of all reported transactions in such security for each U.S. trading day during the preceding 6 full calendar months, and to divide this sum by the total number of such trading days.
( iii ) ( A ) For trading in a security in a jurisdiction other than the United States, the method to be used to determine the dollar value of ADTV as of the preceding 6 full calendar months is to sum the value in U.S. dollars of all reported transactions in such security in such jurisdiction for each trading day during the preceding 6 full calendar months, and to divide this sum by the total number of trading days in such jurisdiction during the preceding 6 full calendar months.
( B ) If the value of reported transactions used in calculating the ADTV of securities under paragraph (b)(1)(iii)(A) is reported in a currency other than U.S. dollars, the total value of each day's transactions in such currency shall be converted into U.S. dollars on the basis of a spot rate of exchange for that day obtained from at least one independent entity that provides or disseminates foreign exchange quotations in the ordinary course of its business.
( iv ) The dollar value of ADTV of the lowest weighted 25% of an index is the sum of the dollar value of ADTV of each of the component securities comprising the lowest weighted 25% of such index.
( 2 ) For purposes of Section 3(a)(55)(C)(i)(III)(cc) of the Act (15 U.S.C. 78c(a)(55)(C)(i)(III)(cc)): ( i ) On a particular day, a security shall be 1 of 675 securities with the largest dollar value of ADTV as of the preceding 6 full calendar months when it is included on a list of such securities designated by the Commission and the CFTC as applicable for that day.
( ii ) In the event that the Commission and the CFTC have not designated a list under paragraph (b)(2) of this section: ( A ) The method to be used to determine the dollar value of ADTV of a security as of the preceding 6 full calendar months is to sum the value of all reported transactions in such security in the United States for each U.S. trading day during the preceding 6 full calendar months, and to divide this sum by the total number of such trading days.
( B ) The 675 securities with the largest dollar value of ADTV shall be identified from the universe of all NMS securities as defined in § 242.600 of this chapter that are common stock or depositary shares.
( c ) *Depositary Shares and Section 12 Registration.* For purposes of Section 3(a)(55)(C) of the Act (15 U.S.C. 78c(a)(55)(C)), the requirement that each component security of an index be registered pursuant to Section 12 of the Act (15 U.S.C. 78 *l*) shall be satisfied with respect to any security that is a depositary share if the deposited securities underlying the depositary share are registered pursuant to Section 12 of the Act and the depositary share is registered under the Securities Act of 1933 (15 U.S.C. 77a *et seq.*) on Form F-6 (17 CFR 239.36).
( d ) *Definitions.* For purposes of this section: ( 1 ) *CFTC* means Commodity Futures Trading Commission.
( 2 ) *Closing price* of a security means: ( i ) If reported transactions in the security have taken place in the United States, the price at which the last transaction in such security took place in the regular trading session of the principal market for the security in the United States.
( ii ) If no reported transactions in a security have taken place in the United States, the closing price of such security shall be the closing price of any depositary share representing such security divided by the number of shares represented by such depositary share.
( iii ) If no reported transactions in a security or in a depositary share representing such security have taken place in the United States, the closing price of such security shall be the price at which the last transaction in such security took place in the regular trading session of the principal market for the security. If such price is reported in a currency other than U.S. dollars, such price shall be converted into U.S. dollars on the basis of a spot rate of exchange relevant for the time of the transaction obtained from at least one independent entity that provides or disseminates foreign exchange quotations in the ordinary course of its business.
( 3 ) *Depositary share* has the same meaning as in § 240.12b-2.
( 4 ) *Foreign financial regulatory authority* has the same meaning as in Section 3(a)(52) of the Act (15 U.S.C. 78c(a)(52)).
( 5 ) *Lowest weighted 25% of an index.* With respect to any particular day, the lowest weighted component securities comprising, in the aggregate, 25% of an index's weighting for purposes of Section 3(a)(55)(B)(iv) of the Act (15 U.S.C. 78c(a)(55)(B)(iv)) (“lowest weighted 25% of an index”) means those securities: ( i ) That are the lowest weighted securities when all the securities in such index are ranked from lowest to highest based on the index's weighting methodology; and
( ii ) For which the sum of the weight of such securities is equal to, or less than, 25% of the index's total weighting.
( 6 ) *Market capitalization* of a security on a particular day: ( i ) If the security is not a depositary share, is the product of: ( A ) The closing price of such security on that same day; and
( B ) The number of outstanding shares of such security on that same day.
( ii ) If the security is a depositary share, is the product of: ( A ) The closing price of the depositary share on that same day divided by the number of deposited securities represented by such depositary share; and
( B ) The number of outstanding shares of the security represented by the depositary share on that same day.
( 7 ) *Outstanding shares* of a security means the number of outstanding shares of such security as reported on the most recent Form 10-K, Form 10-Q, Form 10-KSB, Form 10-QSB, or Form 20-F (17 CFR 249.310, 249.308a, 249.310b, 249.308b, or 249.220f) filed with the Commission by the issuer of such security, including any change to such number of outstanding shares subsequently reported by the issuer on a Form 8-K (17 CFR 249.308).
( 8 ) *Preceding 6 full calendar months* means, with respect to a particular day, the period of time beginning on the same day of the month 6 months before and ending on the day prior to such day.
( 9 ) *Principal market* for a security means the single securities market with the largest reported trading volume for the security during the preceding 6 full calendar months.
( 10 ) *Reported transaction* means: ( i ) With respect to securities transactions in the United States, any transaction for which a transaction report is collected, processed, and made available pursuant to an effective transaction reporting plan, or for which a transaction report, last sale data, or quotation information is disseminated through an automated quotation system as described in Section 3(a)(51)(A)(ii) of the Act (15 U.S.C. 78c(a)(51)(A)(ii); and
( ii ) With respect to securities transactions outside the United States, any transaction that has been reported to a foreign financial regulatory authority in the jurisdiction where such transaction has taken place.
( 11 ) *U.S. trading day* means any day on which a national securities exchange is open for trading.
( 12 ) *Weighting* of a component security of an index means the percentage of such index's value represented, or accounted for, by such component security.
[66 FR 44514, Aug. 23, 2001, as amended at 70 FR 43750, July 29, 2005]