Natural Gas Calendar
| Symbol | Description | First Trading Date | Close Only Trades | Last Trading Date |
| #NGK1 | Natural Gas Futures May 11 | 25.03.2011 | 25.04.2011 | 26.04.2011 |
| #NGM1 | Natural Gas Futures June 11 | 25.04.2011 | 24.05.2011 | 25.05.2011 |
| #NGN1 | Natural Gas Futures July 11 | 24.05.2011 | 24.06.2011 | 27.06.2011 |
| #NGQ1 | Natural Gas Futures August 11 | 24.06.2011 | 25.07.2011 | 26.07.2011 |
| #NGU1 | Natural Gas Futures September 11 | 25.07.2011 | 26.08.2011 | 29.08.2011 |
| #NGV1 | Natural Gas Futures October 11 | 26.08.2011 | 26.09.2011 | 27.09.2011 |
| #NGX1 | Natural Gas Futures November 11 | 26.09.2011 | 25.10.2011 | 26.10.2011 |
| #NGZ1 | Natural Gas Futures December 11 | 25.10.2011 | 25.11.2011 | 28.11.2011 |
