'A' a short signal
The commercials are at a maximum short position (lowest in three years) and the acceleration of trading activity over the previous six weeks is very high (about 50% in the green line at the botton). A short signal occurred on February 19, 2013, just as the previous bullish trend was broken. Holding this short position until this trend ended on May 3, 2013, would have yielded a gain of $11,050 per contract.
'B' a long signal
The commericals are at a maximum long position (longest in three years) and the acceleration of trading activity is high at about 50% (at the green line at the bottom). Right after the bearish trend ended, there was a long entry signal on February 12, 2015. Holding this position until the bullish trend ended on March 24, 2015, would have yielded a gain of $5,525 per contract.