Exchange price limit rules for domestic stock index futures• call for a quarterly re-assessment of price limits based on prevailing market prices.  Limits are calculated quarterly at the close of business on the day preceding the commencement of a new calendar quarter.  Thus, new limits shall become effective with the commencement of Electronic Trading Hours (ETH) on Friday, September 30, 2005 at 3:30 p.m.  The revised limits shall be applicable throughout the 4th calendar quarter, 2005.