What Is an EFF? An EFF (Exchange of Futures for, or in Connection with Futures) is a transaction type that is privately negotiated and involves a simultaneous purchase and sale of futures contracts on different exchanges. Learn more about EFFs.
CFTC Filings Link to CFTC web site page that references all EFF-related documents
Chronology of CFTC's Consideration of EFF Rule EFF Letter to CFTC - 10/04/10 ELX Response to CBOT September 13th Letter to CFTC CBOT Letter to CFTC - 09/13/10 CBOT Letter to CFTC responding to DMOs August 13th Letter regarding CBOT Market Research Advisory Notice RA0907-1
DMO Letter to CME - 08/13/10 DMO Letter to CME regarding CBOT Market Regulation Advisory Notice RA0907-1 prohibiting EFFs and contingent or transitory EFRPs
EFF Letter to CFTC: 01/04/10 ELX Letter to CFTC asking for Commission's support and approval to permit ELX to implement EFF rule
EFF Supplement: 11/12/09 ELX Letter to CFTC on EFF and Transitory Trading Chronology at CBOT
EFF Letter to CFTC: 10/20/09 ELX submits request to CFTC to stay the CME's October 16th self-certified Advisory Notice CFTC Letter to ELX: 10/06/09 CFTC Letter to ELX approving ELX's proposed Exchange of Futures for Futures Rule Amendment (Rule IV-5(a) (iv) and (v)), allowing market participants to trade positions in two different DCMs