One strategy is to use 2 accounts, long and short with 10-15pt stops on the YM, and wait to see which one gets stopped out and ride the other one for as long as possible. I haven't tried it myself, but it is a strategy used around big events obviously.
I would use pit audio and program fair value buy/sell levels if I were to try to trade it. For some reason I've noticed 100pt sell offs if its going to go down. I think I might try to trade the equites from the lag behind the futures, it will be interesting to watch the program trading tommorow.
I've also noticed it is probably best to do the opposite of whatever Bob Pisani says he thinks is going to happen.
Fed funds have already priced in the .25 bp, it would be real interesting if we got something other than that tommorow.
Also note, in the last week we got oil numbers out with an oversupply than expected and CL shoots up and dollar. All I got to say is "Don't reason the trade."
Also, it would be in the interests of many long funds if things went up with it being the end of the month.
Just my 2 cents.