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 2018-09-11 CME & CBOE combined

Open Interest: 17,833 (358)

Category Short Long Sentiment
Funds 8,109
47.06% sell
52.94% buy
Others 5,255
79.17% sell
20.83% buy
Small 1,891
25.11% sell
74.89% buy

Short brief

Overall a small increase in open interest held.

Leveraged funds take a big rebalance currently staying in the NEUTRAL positions. But they are made the historical record by overall net position: long contracts have more than 1000 contracts advance
Other professional traders playing in the opposite direction and sold most of their long contracts. Making their own record and staying in the SHORT positions
Small traders reduced positioning but still in the LONG positions since the beginning of reports 2017-12-19 and price $18,924