NEW YORK, Dec. 14 /PRNewswire-FirstCall/ -- NYMEX Holdings, Inc. (NYSE: NMX), the parent company of the New York Mercantile Exchange, Inc., the world's largest physical commodities futures and options exchange, announced today that average daily volume set an all-time monthly record in November 2007 of 1.685 million contracts, a 38% increase from 1.224 million contracts per day in November 2006.

NYMEX electronic volume on the CME Globex® electronic trading platform was 736,287 contracts per day and represented an 87% increase over 394,307 contracts per day in November 2006 electronic volume on CME Globex. NYMEX floor-traded energy futures and options averaged 236,907 contracts per day for November 2007.

COMEX electronic volume on CME Globex averaged 210,907 contracts per day and represented a 2,046% increase over the 9,828 contracts per day in November 2006 NYMEX ACCESS® electronic volume. COMEX floor-traded average daily volume was 61,394 contracts for November 2007.

Average daily volume on NYMEX ClearPort® was 316,102 contracts for November 2007, a 17% increase from 270,833 for November 2006. The remaining volume of 123,053 trades per day consisted of other transactions which includes position transfers and exchanges.

Rolling Average Rate Per Contract - The three month rolling gross average rate per contract for the period September through November 2007 was $1.51, while the net average rolling rate per contract, including direct transaction costs, for the same period was $1.29. November rates per contract and direct transaction costs are estimated (see Note below).

Final October Rate Per Contract - The following represents the final October 2007 rates per contract after adjustments to the estimated rate per contract we provided last month. Gross average rate per contract across all venues in October 2007 was $1.50, while the net average rate per contract, including direct transaction costs, was $1.25. This is compared to gross average rate per contract of $1.40, and a net average rate per contract of $1.17 for October 2006. Direct transaction costs were $9.033 million for October 2007 versus $5.988 million for October 2006.

Estimated November Rate Per Contract - The following November average rate per contract is estimated (see Note below). Gross average rate per contract across all venues in November 2007 was $1.47, while the net average rate per contract, including direct transaction costs, was $1.24. This is compared to gross average rate per contract of $1.40, and a net average rate per contract of $1.16 for November 2006. Direct transaction costs were an estimated $8.035 million for November 2007 versus $5.801 million for November 2006.

Note: Because we are providing an additional level of up-to-date information regarding our recent monthly rates per contract, our volumes and rates press releases will be issued within approximately seven to eight business days after the end of the month. Also, the estimated figures are preliminary and may change due to the fact that the last days of the month have not been finalized and are thus subject to adjustments and corrections. Average daily volume is based on 21 trading days for November 2007 and 20 days for November 2006.

About NYMEX Holdings, Inc.

NYMEX Holdings, Inc. (NYSE: NMX) is the parent company of the New York Mercantile Exchange, Inc., the world's largest physical commodities futures and options exchange, offering futures and options trading in energy and metals contracts and clearing services for more than 320 off-exchange energy contracts. Through a hybrid model of open outcry floor trading and electronic trading on CME Globex® and NYMEX ClearPort®, NYMEX offers crude oil, petroleum products, natural gas, coal, electricity, gold, silver, copper, aluminum, platinum group metals, emissions, and soft commodities contracts for trading and clearing virtually 24 hours each day. Further information about NYMEX Holdings, Inc. and the New York Mercantile Exchange, Inc. is available on the NYMEX website at http://www.nymex.com/.

Forward Looking and Cautionary Statements

This press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act, with respect to our future performance, operating results, strategy, and other future events. Such statements generally include words such as could, can, anticipate, believe, expect, seek, pursue, and similar words and terms, in connection with any discussion of future results. Forward-looking statements involve a number of assumptions, risks, and uncertainties, any of which may cause actual results to differ materially from the anticipated, estimated, or projected results referenced in forward-looking statements. In particular, the forward-looking statements of NYMEX Holdings, Inc., and its subsidiaries are subject to the following risks and uncertainties: the success and timing of new futures contracts and products; changes in political, economic, or industry conditions; the unfavorable resolution of material legal proceedings; the impact and timing of technological changes and the adequacy of intellectual property protection; the impact of legislative and regulatory actions, including without limitation, actions by the Commodity Futures Trading Commission; and terrorist activities and international hostilities, which may affect the general economy as well as oil and other commodity markets. We assume no obligation to update or supplement our forward-looking statements.

                             -Tables Follow-


  NOVEMBER AVERAGE DAILY VOLUME
  Venue                                           2007              2006

  NYMEX floor                                    236,907           357,502
  NYMEX electronic                               736,287           394,307
  COMEX floor                                     61,394           112,706
  COMEX electronic                               210,907             9,828
  NYMEX ClearPort®                               316,102           270,833
  Other                                          123,053            78,979
  Total                                        1,684,650         1,224,155



  THREE MONTH ROLLING AVERAGE DAILY VOLUME
  (For the period September through November)
  Venue                                           2007              2006

  NYMEX floor                                    241,365           432,691
  NYMEX electronic                               750,012           335,769
  COMEX floor                                     46,928            89,241
  COMEX electronic                               154,394             7,968
  NYMEX ClearPort®                               330,850           357,700
  Other                                          104,194            68,598
  Total                                        1,627,743         1,291,965



  OCTOBER 2007 AVERAGE RATES PER CONTRACT
  Venue                                          Net RPC

  NYMEX floor                                     $1.48
  NYMEX electronic                                $0.97
  COMEX floor                                     $1.49
  COMEX electronic                                $1.24
  NYMEX ClearPort®                                $1.53
  Other                                           $1.81
  Total Average Net Rate                          $1.25
  Direct Transaction Cost                         $0.25
  Total Average Gross Rate                        $1.50



  THREE MONTH ROLLING AVERAGE RATES PER CONTRACT
  (For the period August through October 2007)
  Venue                                          Net RPC

  NYMEX floor                                     $1.51
  NYMEX electronic                                $0.98
  COMEX floor                                     $1.44
  COMEX electronic                                $1.23
  NYMEX ClearPort®                                $1.61
  Other                                           $1.97
  Total Average Net Rate                          $1.27
  Direct Transaction Cost                         $0.27
  Total Average Gross Rate                        $1.54



  NOVEMBER 2007 ESTIMATED AVERAGE RATES PER CONTRACT
  Venue                                          Net RPC

  NYMEX floor                                     $1.46
  NYMEX electronic                                $0.87
  COMEX floor                                     $1.47
  COMEX electronic                                $1.37
  NYMEX ClearPort®                                $1.56
  Other                                           $1.85
  Total Average Net Rate                          $1.24
  Direct Transaction Cost                         $0.23
  Total Average Gross Rate                        $1.47



  THREE MONTH ROLLING ESTIMATED AVERAGE RATES PER CONTRACT
  (For the period September through November 2007)
  Venue                                          Net RPC

  NYMEX floor                                     $1.50
  NYMEX electronic                                $0.96
  COMEX floor                                     $1.47
  COMEX electronic                                $1.30
  NYMEX ClearPort®                                $1.55
  Other                                           $1.90
  Total Average Net Rate                          $1.29
  Direct Transaction Cost                         $0.22
  Total Average Gross Rate                        $1.51

SOURCE: NYMEX Holdings, Inc.

CONTACT: Keil Decker, Investor Contact, +1-212-299-2209, or Anu
Ahluwalia, Media Contact, +1-212-299-2439, both of NYMEX Holdings, Inc.

Web site: http://www.nymex.com/