October is not the worst month for the stock market but it might be the scariest one. The 1929 crash began in late October of that year and Friday will mark the 25th anniversary of the 1987 crash. These two events are probably the most notorious in all of our financial history.

This October has so far been good to investors. However, I recently ran across a couple of interesting charts from The Canadian Technician. The chart below is a weekly chart of the S&P 500 (showing the ending diagonal I recently wrote about).

This next chart is a weekly chart of the Japanese Nikkei…

…right before it did this:

After a treat of a year for stock market investors that would be a very nasty trick, indeed.