- Trading Screen Product Name
 - NG IF Futures
 - Trading Screen Hub Name
 - Panhandle
 - Contract Symbol
 OPP
- Settlement Method
 Cash settlement
- Contract Size
 2500 MMBtus
- Currency
 USD
- Minimum Price Fluctuation 
 The price quotation convention shall be One hundredth of a cent ($0.0001) per MMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.  
- Listing Cycle
 Up to 60 consecutive monthly Contract Periods
- Last Trading Day
 The last Business Day prior to the first calendar day of the Contract Period
- Final Settlement
 Reference Price A
- REFERENCE PRICE A
 NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC
- a) Ref Price A - Description
 "NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC" means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "Prices of Spot Gas Delivered to Pipelines ($/MMBtu): Panhandle Eastern Pipe Line Co.: Texas, Oklahoma (mainline): Index" in the issue of Inside FERC that reports prices effective on that Pricing Date.
- b) Ref Price A - Pricing Date
 First publication date of the Contract Period
- c) Ref Price A - Specified Price
 Index
- d) Ref Price A - Pricing calendar
 Inside FERC
- e) Ref Price A - Delivery Date
 Contract Period
- Final Payment Date
 The third Clearing Organization business day following the Last Trading Day
- MIC Code
 - IFED
 - Clearing Venues
 - ICEU