buy when it snows, sell when it goes phrase1 •(US, Canada) Stock market securities can be expected to increase in value to a greater degree in the cold winter months from November through April than in the warm months from May through October, and profit-minded investors should manage their portfolios accordingly.There is a phenomenon in stock market investment known as "seasonality." In Canada we sometimes summarize it with the epithet "Buy when it snows, sell when it goes." — 2007
