CoT - Commitment of Traders Report Chart
Market direction is a result of the overall opinion of all its participants. This total assessment, some average feeling of the market that weighted on the value of positions is called a market sentiment, and the market will move in the direction where sentiment points it to go.
The most widely used market sentiment gauge is the CoT (Commitments of Traders) report published by the CFTC each Friday on 19:30 GMT. Each CoT report includes a breakdown of each Tuesday's open interest for markets in which 20 or more traders hold positions above the reporting levels.
Unfortunately CFTC reports are extremely hard to read and interpret… unless you have an access to this wonderful graphical CoT report tool.