On February 1st, the SEC provided notice of the NASDAQ Stock Market's proposed amendments to: permit market maker assignment by option rather than by series; adopt a $5 quotation spread parameter; and amend the quoting requirement for Market Makers. These changes are scheduled to be implemented on or about May 1, 2011. NASDAQ will announce the implementation schedule by Options Trader Alert once the rollout schedule, which will be based in part on participants' readiness, is finalized. Comments should be submitted within 21 days after publication in the Federal Register, which is expected during the week of February 7. SEC Release No. 34-63815.