Like I said last week, the bull side of the boat is presently a standing room only affair, and -- contrarianly-speaking -- that's not necessarily a good thing...
We do our own thing on market sentiment, we call it the PWA Fear/Greed Barometer.
Last week it scored a very greedy -80 (-100 is max greed). And the inputs others have noticed as well, and are writing about lately, have only become more extreme over the past week.
In particular, the bullishness among investment advisors (2nd panel) is well beyond the extreme that often precedes a notable pullback in stocks: