mark hurlbert recently said this is one of the best systems he ever followed.
The first two rules outline the two types of seasonality that the system hopes to exploit, while the third deals with exceptions:
1.To exploit positive seasonality around the turns of each month: Buy at the close of the third-to-last trading of each month, and sell at the close of the fifth trading session of the following month.
2.To exploit positive pre-holiday seasonality: Buy at the close of the third-to-last trading day prior to exchange holidays, and sell at the close of the last trading day before a holiday.
3.Exceptions: If the holiday falls on a Thursday, sell at Friday's close rather than Wednesday's. Also, if the last day before a holiday is the first trading day of the week, don't sell until the day after the holiday. Finally, never sell on the first trading day after options expire; instead wait an extra day.
http://cbs.marketwatch.com/news/story.asp?guid={FD9F6CF8-AA59-49C9-B37E-6E4FFFAF98C8}&siteid=mktw&
The first two rules outline the two types of seasonality that the system hopes to exploit, while the third deals with exceptions:
1.To exploit positive seasonality around the turns of each month: Buy at the close of the third-to-last trading of each month, and sell at the close of the fifth trading session of the following month.
2.To exploit positive pre-holiday seasonality: Buy at the close of the third-to-last trading day prior to exchange holidays, and sell at the close of the last trading day before a holiday.
3.Exceptions: If the holiday falls on a Thursday, sell at Friday's close rather than Wednesday's. Also, if the last day before a holiday is the first trading day of the week, don't sell until the day after the holiday. Finally, never sell on the first trading day after options expire; instead wait an extra day.
http://cbs.marketwatch.com/news/story.asp?guid={FD9F6CF8-AA59-49C9-B37E-6E4FFFAF98C8}&siteid=mktw&