For those of us who didn't elect Mark To Market last year, now is the time to start thinking about the wash sale rule. If you continue to trade the same stocks past the end of this month (Nov), you will probably have wash sale problems when it comes time to file. The rule applies to trades made 30 days before and after any sale at a loss. So if you traded MSFT 200 times this year (with a mix of profits and loss), I believe there are some issues that will be triggered if you trade it in December. If I'm not mistaken, the net tax effect is ZERO if you stop trading the stocks in question by Nov 30, since all trades will then flow in the same tax year (2001). Maybe we can get some opinions in here as to the best course of action to take. I will probably be filing a Mark To Market election for the 2002 tax year.