I've been trying to use Williams %R with the MACD. One data point is not a trend, but here's one case <a href='read_msg.asp?message_id=12180413'>#msg-12180413</a> And here's one issue -- very relevant to this thread -- SOX <img src=http://stockcharts.com/c-sc/sc?s=$sox&p=W&yr=3&mn=0&dy=0&i=p50225031619&r=991> <img src=http://stockcharts.com/c-sc/sc?s=$sox&p=D&yr=3&mn=0&dy=0&i=p50225031619&r=991>