AMGN reverses SHORT at a close below $181.24 If triggered we will be buying the November $180 puts. We haven't a lot of history with real time trading of the AMGN short-term model, let alone trading AMGN with our trailing profit taking stops. Below is a chart with the year-to-date signals, including the six months before we added AMGN to the short-term portfolio. The signals are impressive. That is not a guarantee that the next trade will perform as well, but if history is any guide, the next Sell could be a good one.