Futures sentiment by category

Futures open interest on CME&CBOE

Funds(leveraged funds) - These are typically hedge funds and various types of money managers
Other(Other Reportables) - Reporable traders(ie big professional traders)
Small(Non Reportable) - Traders below reportable limit(ie small unprofessional traders)
Dealer and Asset managers hidden by default due to small amount
Spread positions are not shown due to same reason

CME - Chicago Mercantile Exchange(CFTC/1330E1),
CBOE - Chicago Board Options Exchange(CFTC/133741), available from 2018-04-10 due to insufficient amount of traders.

The Commitments of Traders is a weekly market report issued by the Commodity Futures Trading Commission (CFTC) enumerating the holdings of participants in various futures markets in the United States.

Futures report as of 2018-12-18 CME & CBOE combined

Open Interest: 26,386 (2,277)

Category Short Long Sentiment
Funds 17,681
51.91% sell
48.09% buy
Others 4,940
71.08% sell
28.92% buy
Small 1,990
24.37% sell
75.63% buy

Short brief

Overall an increase in open interest held.

Leveraged funds in the NEUTRAL positions
Other professional traders increased overall position held. Staying in the SHORT positions since 2017-07-30 and price $8,168
Small traders increased positioning and still in the LONG positions since the beginning of reports 2017-12-19 and price $18,924