Commitment of Traders based on legacy format taken from quandl.com. In this version you need to select product when applying the indicator. In future version there might be some kind of auto mapping based on current symbol.
Percents of Open Interest held by the largest eight reportable traders from legacy commitment of traders (COT) report. Computed on a net long and net short basis. For the main symbol but also allows to override it. Also allows to include options in consideration.