Question: Here is an email: =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                             Intercontinenta= lExchange                                                                  =                                                                            =                                                                            =                                                                            =                                                                            =                                                             =20                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                      Firm P= ower Price Bulletin                                                        =                                                                            =                                                                            =                                                                            =                                                                            =                                                                      =20                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                      For Po= wer Delivered on Monday, October   08, 2001                                =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                   =20                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                             (Trade Date of = Friday, October   05, 2001)                                                =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                    =20 Click here to access index history . =                                                                            =                                                                            =                                                                            =                                          =20                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                             * volume repres= ents sell-side only *                                                      =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                    =20  Hub=09High=09Low=09Wtd Avg Index=09Change ($)=09Vol (Mwh)=09 Cinergy=09         $24.50=09         $22.00=09         $23.96=09+   2.52=09=           86,400=09 Comed=09         $22.50=09         $19.75=09         $20.78=09+    .75=09  =          8,000=09 Entergy=09         $23.00=09         $18.00=09         $19.64=09+   1.00=09=           34,400=09 Nepool=09         $36.25=09         $35.25=09         $35.71=09-   1.50=09 =          16,800=09 PJM-West=09         $29.80=09         $28.65=09         $29.06=09+    .05= =09          36,000=09 SP-15=09         $25.00=09         $24.00=09         $24.63=09+    .55=09  =          2,400=09 TVA=09         $22.50=09         $20.75=09         $22.02=09+    .13=09    =        8,800=09                                                                              =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                             Includes all tr= ades done from 6 AM to 11 AM Central Prevailing Time on the trade date spec= ified for financially firm power delivered during the on-peak hours (6 AM -=  10 PM CPT for Eastern hubs / 6 AM - 10 PM Pacific Prevailing Time for West= ern hubs) on the delivery date(s) specified. =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                          =20                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                          In= tercontinentalExchange is the world's most liquid trading platform for over= 
What is a potential subject line for this email?
Answer: Power Indices