All prices delayed 20 minutes.
| Month | Price | Change ($) | Change (%) | Last Settle |
| Oct - 2010 | $3.802 | $0.05 | 1.36% | $3.751 |
| Nov - 2010 | $4.065 | $0.04 | .99% | $4.025 |
| Dec - 2010 | $4.391 | $0.03 | .73% | $4.359 |
| Jan - 2011 | $4.564 | $0.02 | .46% | $4.543 |
| Feb - 2011 | $4.490 | ($0.05) | -1.06% | $4.538 |
| Mar - 2011 | $4.499 | $0.03 | .60% | $4.472 |
| Apr - 2011 | $4.410 | $0.01 | .25% | $4.399 |
| May - 2011 | $4.436 | $0.01 | .25% | $4.425 |
| Jun - 2011 | $4.491 | $0.01 | .25% | $4.480 |
| Jul - 2011 | $4.562 | $0.01 | .24% | $4.551 |
| Aug - 2011 | $4.616 | $0.01 | .28% | $4.603 |
| Sep - 2011 | $4.635 | $0.01 | .15% | $4.628 |
| Oct - 2011 | $4.729 | $0.02 | .36% | $4.712 |
| Nov - 2011 | $4.959 | $0.00 | .00% | $4.959 |
| Dec - 2011 | $5.260 | $0.00 | .00% | $5.260 |
| Jan - 2012 | $5.435 | $0.00 | .00% | $5.435 |
| Feb - 2012 | $5.416 | $0.02 | .33% | $5.398 |
| Mar - 2012 | $5.275 | $0.02 | .32% | $5.258 |
| Apr - 2012 | $4.971 | $0.00 | .00% | $4.971 |
| May - 2012 | $4.981 | $0.00 | .00% | $4.981 |
| Jun - 2012 | $5.019 | $0.00 | .00% | $5.019 |
| Jul - 2012 | $5.071 | $0.00 | .00% | $5.071 |
| Aug - 2012 | $5.113 | $0.00 | .00% | $5.113 |
| Sep - 2012 | $5.135 | $0.00 | .00% | $5.135 |
| Oct - 2012 | $5.251 | $0.03 | .63% | $5.218 |
| Nov - 2012 | $5.438 | $0.00 | .00% | $5.438 |
| Dec - 2012 | $5.689 | $0.00 | .00% | $5.689 |
| Jan - 2013 | $5.861 | $0.00 | .00% | $5.861 |
| Feb - 2013 | $5.816 | $0.00 | .00% | $5.816 |
| Mar - 2013 | $5.666 | $0.00 | .00% | $5.666 |
| Apr - 2013 | $5.281 | $0.00 | .00% | $5.281 |
| May - 2013 | $5.271 | $0.00 | .00% | $5.271 |
| Jun - 2013 | $5.301 | $0.00 | .00% | $5.301 |
| Jul - 2013 | $5.346 | $0.00 | .00% | $5.346 |
| Aug - 2013 | $5.389 | $0.00 | .00% | $5.389 |
| Sep - 2013 | $5.412 | $0.00 | .00% | $5.412 |
| Oct - 2013 | $5.490 | $0.00 | .00% | $5.490 |
| Nov - 2013 | $5.675 | $0.00 | .00% | $5.675 |
| Dec - 2013 | $5.880 | $0.00 | .00% | $5.880 |
| Jan - 2014 | $6.045 | $0.00 | .00% | $6.045 |
| Feb - 2014 | $6.000 | $0.00 | .00% | $6.000 |
| Mar - 2014 | $5.827 | $0.00 | .00% | $5.827 |
| Apr - 2014 | $5.455 | $0.00 | .00% | $5.455 |
| May - 2014 | $5.445 | $0.00 | .00% | $5.445 |
| Jun - 2014 | $5.475 | $0.00 | .00% | $5.475 |
| Jul - 2014 | $5.518 | $0.00 | .00% | $5.518 |
| Aug - 2014 | $5.558 | $0.00 | .00% | $5.558 |
| Sep - 2014 | $5.582 | $0.00 | .00% | $5.582 |
| Oct - 2014 | $5.660 | $0.00 | .00% | $5.660 |
| Strip | Price | Change ($) | Change (%) | Last Settle |
| 12 month Oct2010 - Sep2011 | $4.413 | $0.02 | .35% | $4.398 |
| Winter Nov2010 - Mar2011 | $4.402 | $0.01 | .33% | $4.387 |
| Summer Apr2011 - Oct2011 | $4.554 | $0.01 | .26% | $4.543 |
| 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 |