Notice No. 00-316
September 8, 2000


TO:
ALL NYMEX MEMBERS AND MEMBER FIRMS
ALL NYMEX CLEARING FIRMS
ALL NYMEX OPERATIONS MANAGERS

FROM: Neal Wolkoff, Executive Vice President

SUBJECT: INTIAL MARGINS FOR MID-COLUMBIA FUTURES

Effective Date: Friday, September 15, 2000  (close of business)

Futures Contract: Mid-Columbia Futures

Contract Months: All Contracts



NYMEX Division Margins on Mid-Columbia Futures Contracts

Clearing Member (Maintenance Margin): $9,000

Member Customer (Initial Margin): $9,900

Non-Member Customer (Initial Margin): $12,150

Spot Month Assessment: B/$3,000
B/ Effective as of the close of business one day prior to the last regular 
trading day.



Intra-Commodity Straddle Margin
Clearing Member and Member Customer Maintenance
Group 1: $200
Group 2: $200
Group 3: $100
Group 4: $50
Spot Month Assessment: B/$3000
Group (Tier) 1 ~ 1st Nearby
Group (Tier) 2 ~ 2nd Through 6th Nearby
Group (Tier) 3 ~ 7th Through 12th Nearby
Group (Tier) 4 ~ Greater than 12th Nearby
B/ Effective as of the close of business one day prior to the last regular 
trading day.



Inter-Commodity Spread Credit

Mid-Columbia/Natural Gas -- Ratio is 2:1 -- Percentage of Initial Margin is 
40%
Mid-Columbia/Palo Verde -- Ratio is 2:1 -- Percentage of Initial Margin is 40%
Mid-Columbia/COB -- Ratio is 1:1 -- Percentage of Initial Margin is 40%
Mid-Columbia/Alberta Natural Gas -- Ratio is 2:1 -- Percentage of Initial 
Margin is 40%

Should you have any questions regarding these figures, please contact Artie 
McCoy at (212) 299-2928 or Joe Sanguedolce at (212) 299-2855.



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