A couple of years ago I made a discovery about Stockmarket seasonality.It works differently during bull vs bear markets.It’s one of those sorts of research findings where once you lay it out, it seems kind of obvious. But sometimes you just need to look at the same things differently to come up with unique insights and better understanding.As a refresher, during down markets you tend to see a much more accentuated “Sell in May“ effect — while the same old rule of thumb barely works at all during bull markets.So where do things stand today?I used two methods in the original analysis to quantitatively define up vs down (bull vs bear) markets; and both saw consistent results.One was simply “did the market close the year up or down?“, the other was “is the index above or below its 200-day movi