| | Daily Basket Price | 11/5/2009 | 56.11 | 12/5/2009 | 56.76 | 13/5/2009 | 57.16 | 14/5/2009 | 55.99 | 15/5/2009 | 56.37 | 18/5/2009 | 55.86 | 19/5/2009 | 57.52 | 20/5/2009 | 58.47 | 21/5/2009 | 58.32 | 22/5/2009 | 58.73 | 25/5/2009 | 58.55 | 26/5/2009 | 58.71 | 27/5/2009 | 60.75 | 28/5/2009 | 61.77 | |
|
| | Weekly Basket Price | 27/02/2009 | 41.13 | 06/03/2009 | 43 | 13/03/2009 | 43.26 | 20/03/2009 | 45.91 | 27/03/2009 | 50.39 | 03/04/2009 | 48.54 | 10/04/2009 | 51.34 | 17/04/2009 | 51.43 | 24/04/2009 | 49.03 | 01/05/2009 | 49.73 | 08/05/2009 | 54.26 | 15/05/2009 | 56.48 | 22/05/2009 | 57.78 | 29/05/2009 | 59.95 | |
| | Monthly Basket Price | Apr-08 | 105.16 | May-08 | 119.39 | Jun-08 | 128.33 | Jul-08 | 131.22 | Aug-08 | 112.41 | Sep-08 | 96.85 | Oct-08 | 69.16 | Nov-08 | 49.76 | Dec-08 | 38.6 | Jan-09 | 41.54 | Feb-09 | 41.41 | Mar-09 | 45.78 | Apr-09 | 50.2 | May-09 | 56.64 | |
| | Yearly Basket Price | 1996 | 20.29 | 1997 | 18.68 | 1998 | 12.28 | 1999 | 17.48 | 2000 | 27.6 | 2001 | 23.12 | 2002 | 24.36 | 2003 | 28.1 | 2004 | 36.05 | 2005 | 50.64 | 2006 | 61.08 | 2007 | 69.08 | 2008 | 94.45 | 2009 | 47.07 | |
The new OPEC Reference Basket (ORB), introduced on 16 June 2005, is currently made up of the following: Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (Islamic Republic of Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE) and Merey (Venezuela).