- Trading Screen Product Name
 - NG Swing GDD Futures
 - Trading Screen Hub Name
 - Panhandle
 - Contract Symbol
 PSS
- Settlement Method
 Cash settlement
- Contract Size
 2500 MMBtus
- Currency
 USD
- Minimum Price Fluctuation 
 The price quotation convention shall be One hundredth of a cent ($0.0001) per MMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18. 
- Listing Cycle
 Up to 65 consecutive daily Contract Periods
- Last Trading Day
 The Business Day prior to the Contract Period
- Final Settlement
 Reference Price A
- REFERENCE PRICE A
 NATURAL GAS-OKLAHOMA (PANHANDLE)-GAS DAILY
- a) Ref Price A - Description
 "NATURAL GAS-OKLAHOMA (PANHANDLE)-GAS DAILY" means that the price
for a Pricing Date will be that day's Specified Price per MMBTU of
natural gas for delivery on the Delivery Date, stated in U.S.
Dollars, published under the heading "Daily Price Survey ($/MMBtu):
Midcontinent: Panhandle, Tx.-Okla.: Midpoint" in the issue of Gas
Daily that reports prices effective on that Pricing Date.
- b) Ref Price A - Pricing Date
 Each day that prices are reported for the Delivery Date
- c) Ref Price A - Specified Price
 Midpoint
- d) Ref Price A - Pricing calendar
 Gas Daily 
- 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