At the close on Friday there was a clear punch over the weekly upper bollinger band. These are rare, and even rarer when the weekly RSI 14 is over 70, and this is only the tenth such punch in the last twenty years. I’ve had a look at the previous nine to see what they can tell us about what to expect next.

My first observation would be that only three of those were at a short term high, though another five topped out within 2% of the punch level, before making a retracement that went at least back below the punch level and ranged in size from 3% to 21%. The exception was in June 1997 which went into an eight day upper band ride that ran up 80 points before retracing 70 points. This is a fairly bearish history, with one strong exception. (more…)