| PRMV12.CME | future for PRM, October, 2012, | 10.49 | Future | | CME |
| PRMN13.CME | PRM Future JUL 2013 Trading Ses | 4.40 | Future | | CME |
| PRMU12.CME | PRM Future SEP 2012 | 4.35 | Future | | CME |
| PRMQ13.CME | PRM Future AUG 2013 Trading Ses | 4.40 | Future | | CME |
| PRM13.CME | PR Future JUN 2013 Trading Sess | 1.50 | Future | | CME |
| PRMV11.CME | future for PRM, October, 2011, | 4.63 | Future | | CME |
| PRMV13.CME | PRM Future OCT 2013 Trading Ses | 10.50 | Future | | CME |
| PRMU13.CME | PRM Future SEP 2013 Trading Ses | 4.40 | Future | | CME |
| PRMN12.CME | PRM Future JUL 2012 | 4.60 | Future | | CME |
| PRMQ12.CME | PRM Future AUG 2012 | 4.31 | Future | | CME |
| PRM12.CME | future for PR, June, 2012, trad | 4.10 | Future | | CME |