On December 6th, the CFTC made available more than four years of history of "Traders in Financial Futures" data in the weekly Commitments of Traders reports. See Commitments of Traders webpage. The reports disclose, on a weekly basis, the futures and options positions in financial futures markets held by the following categories of large traders: Dealer/Intermediary, Asset Manager/Institutional, Leveraged Funds and Other Reportables. CFTC Press Release.