All prices delayed 20 minutes.
| Month | Price | Change ($) | Change (%) | Last Settle |
| Oct - 2010 | $3.861 | $0.01 | .23% | $3.852 |
| Nov - 2010 | $4.107 | $0.01 | .22% | $4.098 |
| Dec - 2010 | $4.395 | $0.01 | .18% | $4.387 |
| Jan - 2011 | $4.480 | ($0.09) | -1.99% | $4.571 |
| Feb - 2011 | $4.564 | $0.00 | .04% | $4.562 |
| Mar - 2011 | $4.405 | ($0.09) | -2.00% | $4.495 |
| Apr - 2011 | $4.428 | $0.00 | .02% | $4.427 |
| May - 2011 | $4.453 | $0.00 | .02% | $4.452 |
| Jun - 2011 | $4.508 | $0.00 | .02% | $4.507 |
| Jul - 2011 | $4.578 | $0.00 | .00% | $4.578 |
| Aug - 2011 | $4.630 | $0.00 | .00% | $4.630 |
| Sep - 2011 | $4.655 | $0.00 | .00% | $4.655 |
| Oct - 2011 | $4.738 | $0.00 | .02% | $4.737 |
| Nov - 2011 | $4.987 | $0.00 | .00% | $4.987 |
| Dec - 2011 | $5.290 | $0.00 | .00% | $5.290 |
| Jan - 2012 | $5.465 | $0.00 | .00% | $5.465 |
| Feb - 2012 | $5.432 | $0.01 | .13% | $5.425 |
| Mar - 2012 | $5.283 | $0.00 | .00% | $5.283 |
| Apr - 2012 | $4.993 | $0.00 | .00% | $4.993 |
| May - 2012 | $5.001 | $0.00 | .00% | $5.001 |
| Jun - 2012 | $5.039 | $0.00 | .00% | $5.039 |
| Jul - 2012 | $5.088 | $0.00 | .00% | $5.088 |
| Aug - 2012 | $5.130 | $0.00 | .00% | $5.130 |
| Sep - 2012 | $5.150 | $0.00 | .00% | $5.150 |
| Oct - 2012 | $5.238 | $0.00 | .00% | $5.238 |
| Nov - 2012 | $5.460 | $0.00 | .00% | $5.460 |
| Dec - 2012 | $5.700 | ($0.01) | -.23% | $5.713 |
| Jan - 2013 | $5.878 | $0.00 | .00% | $5.878 |
| Feb - 2013 | $5.833 | $0.00 | .00% | $5.833 |
| Mar - 2013 | $5.683 | $0.00 | .00% | $5.683 |
| Apr - 2013 | $5.308 | $0.00 | .00% | $5.308 |
| May - 2013 | $5.300 | $0.00 | .00% | $5.300 |
| Jun - 2013 | $5.330 | $0.00 | .00% | $5.330 |
| Jul - 2013 | $5.375 | $0.00 | .00% | $5.375 |
| Aug - 2013 | $5.418 | $0.00 | .00% | $5.418 |
| Sep - 2013 | $5.442 | $0.00 | .00% | $5.442 |
| Oct - 2013 | $5.522 | $0.00 | .00% | $5.522 |
| Nov - 2013 | $5.709 | $0.00 | .00% | $5.709 |
| Dec - 2013 | $5.921 | $0.00 | .03% | $5.919 |
| Jan - 2014 | $6.084 | $0.00 | .00% | $6.084 |
| Feb - 2014 | $6.039 | $0.00 | .00% | $6.039 |
| Mar - 2014 | $5.869 | $0.00 | .00% | $5.869 |
| Apr - 2014 | $5.494 | $0.00 | .00% | $5.494 |
| May - 2014 | $5.486 | $0.00 | .00% | $5.486 |
| Jun - 2014 | $5.516 | $0.00 | .00% | $5.516 |
| Jul - 2014 | $5.561 | $0.00 | .00% | $5.561 |
| Aug - 2014 | $5.604 | $0.00 | .00% | $5.604 |
| Sep - 2014 | $5.628 | $0.00 | .00% | $5.628 |
| Oct - 2014 | $5.708 | $0.00 | .00% | $5.708 |
| Strip | Price | Change ($) | Change (%) | Last Settle |
| 12 month Oct2010 - Sep2011 | $4.435 | $0.00 | .00% | $4.435 |
| Winter Nov2010 - Mar2011 | $4.423 | $0.00 | .00% | $4.423 |
| Summer Apr2011 - Oct2011 | $4.569 | $0.00 | .00% | $4.569 |
| Month | Price | Date |
| Sep - 2010 | $3.651 | 8-27-2010 |
| Aug - 2010 | $4.774 | 7-28-2010 |
| Jun - 2010 | $4.155 | 5-26-2010 |
| May - 2010 | $4.271 | 4-28-2010 |
| Apr - 2010 | $3.842 | 3-29-2010 |
| Mar - 2010 | $4.816 | 2-24-2010 |
| Feb - 2010 | $5.274 | 1-27-2010 |
| Jan - 2010 | $5.814 | 12-29-2009 |
| Dec - 2009 | $4.486 | 11-24-2009 |
| Nov - 2009 | $4.289 | 10-28-2009 |
| Oct - 2009 | $3.729 | 9-28-2009 |
| Sep - 2009 | $2.843 | 8-27-2009 |
| Aug - 2009 | $3.379 | 7-29-2009 |
| Jul - 2009 | $3.949 | 6-26-2009 |
| Jun - 2009 | $3.538 | 5-27-2009 |
| Apr - 2009 | $3.631 | 3-27-2009 |
| Mar - 2009 | $4.056 | 2-25-2009 |
| Feb - 2009 | $4.476 | 1-28-2009 |
| Jan - 2009 | $6.136 | 12-29-2008 |
| Dec - 2008 | $6.888 | 11-24-2008 |
| Nov - 2008 | $6.469 | 10-29-2008 |
| Oct - 2008 | $7.472 | 9-26-2008 |
| Sep - 2008 | $8.394 | 8-27-2008 |
| Aug - 2008 | $9.217 | 7-29-2008 |